Prasanna

Refer to our Texas Go Math Grade 2 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 2 Lesson 15.2 Answer Key Sort Three-Dimensional Solids.

Texas Go Math Grade 2 Lesson 15.2 Answer Key Sort Three-Dimensional Solids

Explore

Circle the cones. Draw an X on the sphere.

Answer:

HOME CONNECTION • Your child identified the solids on this page to review some of the different kinds of solids.
Answer:
     

Math Talk
Mathematical Processes

Name the other solids on this page. Describe how they different.
Answer:
The solids in the page are sphere, cylinder, cone, cube, rectangular prism, and triangular prism. They differ in their shapes.

Sphere has no faces, edges, and vertex

The cylinder has 3 faces, 3 edges, and 0 vertex

Cone has 2 faces, 1 edge, and 1 vertex

Cube has 6 faces, 12 edges, and 8 vertices

The rectangular prism has 6 faces, 12 edges, and 8 vertices

The triangular prism has 5 faces, 9 edges, and 6 vertices

Model and Draw

The faces of a cube are squares.

Answer:
Cube has 6 faces, 12 edges, and 8 vertices

Share and Show

Write how many for each.

Question 1.

rectangular prism
____________ faces
____________ edges
____________ vertices
Answer:
rectangular prism
______6____ faces
______12___ edges
______8___ vertices

Go Math Grade 2 Lesson 15.2 Answer Key Question 2.

cube
____________ faces
____________ edges
____________ vertices
Answer:
cube
______6______ faces
______12_____ edges
_____8_______ vertices

Cubes are a special kind of rectangular prism. Talk about why this is true.
Answer:
The cubes are a special kind of rectangular prisms. Yes, it’s true. The cubes are a different kind of rectangular prism as they have the same number of faces, edges, and vertices. There is a small difference in that the cube has equal size throughout whereas rectangular prisms have different sizes of faces.

The length and breadth of the cube are equal on all sides, whereas they differ for the rectangular prism.

Problem Solving

Write how many for each.

Question 3.

triangular prism
____________ faces
____________ edges
____________ vertices
Answer:
triangular prism
____5______ faces
_____9_____edges
______6____ vertices

Solve. Write or draw to explain.

Question 4.
H.O.T. Multi-Step Two of the six faces of a solid are shown. Draw the rest of the faces.

What is the name of the solid?
Answer:
Rectangular prism

Explanation:
The faces shown above belong to a rectangular prism.

Question 5.
H.O.T. Look at the faces of the cube and the faces of the rectangular prism. Are they different? Explain.

Answer:
Yes

Explanation:
Though the number of faces on the cube and rectangular prisms are same. The sizes of the faces i.e, the length and breadth of the rectangular prism differ from the cube.

Daily Assessment Task

Write the shape names to complete.

Go Math Answer Key Grade 2 Lesson 15.2 Question 6.
Decide which labels are true for each solid. Then write the names of those solids.
Has exactly 6 faces

Has exactly 6 vertices

Has exactly 12 edges
Answer:
Cube and Rectangular prism has 6 faces.
A triangular prism has 6 vertices.
Cube, rectangular prism, pentagonal prism, and Hexagonal pyramid have 12 edges.

Question 7.
Texas Test Prep How many faces does a triangular prism have?

(A) 5
(B) 9
(C) 6
Answer:
5

TAKE HOME ACTIVITY • Have your child tell you about the faces on a cereal box or another kind of box.
Answer:
6
Explanation:
The cereal box or any kind of box consists of 6 faces, irrespective of size and shape.

Texas Go Math Grade 2 Lesson 15.2 Homework and Practice Answer Key

Write how many for each.

Question 1.

rectangular prism
____________ faces
____________ edges
____________ vertices
Answer:
rectangular prism
______6____ faces
______12___ edges
______8___ vertices

Question 2.

triangular prism
____________ faces
____________ edges
____________ vertices
Answer:
____5______ faces
____9_____edges
_____6___ vertices

Problem Solving

Question 3.
Multi-Step Three of the six faces of a solid are shown. Draw the rest of the faces.

What is the name of the solid?
Answer:
Cube

Explanation:
As the three faces of the solid are of the same size, the solid is a cube.

Lesson Check

Choose the correct answer.

Question 4.
How many faces does a triangular prism have?

(A) 9
(B) 6
(C) 5
Answer:
5 faces

Question 5.
Gina’s cereal box has 6 faces, 12 edges, and 8 vertices. What is the name of the shape of her cereal box?
(A) cylinder
(B) rectangular prism
(C) triangular prism
Answer:
Rectangular prism

Go Math Grade 2 Answer Key Pdf Lesson 15.2 Question 6.
Dave gives his brother a toy car in a box that is a rectangular prism with 6 square faces. Which is another name for this rectangular prism?
(A) cube
(B) cone
(C) triangular prism
Answer:
Cube

Question 7.
Julie bought a wedge of cheese. The cheese is inside a box that has 2 triangular faces and 3 rectangular faces. What is the name for the shape of the box?
(A) a cone
(B) a triangular prism
(C) a rectangular prism
Answer:
a rectangular prism

Refer to our Texas Go Math Grade 2 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 2 Lesson 13.5 Answer Key Subtraction Situations.

Texas Go Math Grade 2 Lesson 13.5 Answer Key Subtraction Situations

Unlock the Problem

Mrs. Baxter had 153 paintbrushes. She gave some of them to her students. Now she has 117 paintbrushes. How many did she give to her students?

Answer:
The number of paintbrushes did she give to her students is 36 paintbrushes.

Explanation:
Given that Mrs. Baxter had 153 paintbrushes and she gave some of them to her students. Now she has 117 paintbrushes, so the number of paintbrushes did she give to her students is 153 – 117 which is 36 paintbrushes.

Read

What information am I given?
She had ________ paintbrushes.
After giving some to students, she has _________ paintbrushes.

Answer:
She had 153 paintbrushes.
After giving some to students, she has 117 paintbrushes.

Plan

What is my plan or strategy?
I can _____________

Solve

Show how you solve the problem.

_____________ paintbrushes
Answer:
The number of paintbrushes did she give to her students is 36 paintbrushes.

Explanation:
The number of paintbrushes did she give to her students is 36 paintbrushes.

HOME CONNECTION • Your child used o model and a number sentence to represent the problem. These help show what the missing amount is in order to solve the problem.

Try Another Problem

Label the model. Write a number sentence with a for the unknown number. Solve.

• What information am I given?
• What is my plan or strategy?

Texas Go Math Grade 2 Pdf Lesson 13.5 Answer Key Question 1.
Casey has a package of 250 stickers. He gives 107 stickers to his sister. How many stickers does Casey have now?

___________ stickers
Answer:
The number of stickers Casey has now is 143 stickers.

Explanation:
The given information is Casey has a package of 250 stickers and he gives 107 stickers to his sister, so the number of stickers Casey has now is 250 – 107 which is 143 stickers. Here, we have performed subtraction to know the number of stickers Casey has.

Question 2.
Mr. Morton has a box of paper. After he takes 4-2 sheets of paper out of the box, there are 38 sheets of paper in the box. How many sheets of paper were in the box to start?

___________ sheets of paper
Answer:
The number of sheets of paper in the box to start is 42 sheets.

Explanation:
Given that Mr. Morton has a box of paper. After he takes 4-2 sheets of paper out of the box, there are 38 sheets of paper in the box. So the number of sheets of paper were in the box to start is 38 + 4 which is 42 sheets.

Math Talk
Mathematical Processes

Explain how your number sentence shows the first problem.
Answer:

Share and Show

Label the model. Write a number sentence with a for the unknown number. Solve.

Lesson 13.5 Answer Key Texas Go Math Grade 2 Question 3.
There are 316 students at the school. If 120 students stay after school to play sports, how many students do not stay after school?

__________ students
Answer:
The number of students who do not stay after school is 196 students.

Explanation:
Given that there are 316 students at a school If 120 students stay after school to play sports. So the number of students who do not stay after school is 316 – 120 = 196 students.

Problem Solving

Solve. Write or draw to show your work.

Question 4.
H.O.T. Rita has 250 pennies. Some pennies are in a box and some are in her bank. There are more than 100 pennies in each place. How many pennies could be in each place?

___________ pennies in a box
___________ pennies in her bank
Answer:
125 pennies in a box.
125 pennies in her bank.

Explanation:
Given that Rita has 250 pennies and some pennies are in a box and some are in her bank. There are more than 100 pennies in each place. So the number of pennies could be in each place is 250 ÷ 2 which is 125 pennies in a box and 125 pennies in her bank.

Question 5.
H.O.T. Multi-Step Mr. Taylor has 65 drawings in his classroom and 56 drawings ¡n the hail. 13 drawings are of pets. How many drawings are not of pets?
___________ drawings
Answer:
The number of drawings are not of pets are 121.

Explanation:
Given that Mr. Taylor has 65 drawings in his classroom and 56 drawings ¡n the hail and 13 drawings are of pets. So the number of drawings are not of pets are 65+56 which is 121 are not pets.

Daily Assessment Task

Choose the correct answer.

Question 6.
Analyze There are 275 clocks on the shelves at The Clock Shop. Mr. Young puts 52 of those clocks on the walls. How many clocks are on the shelves now?

(A) 223
(B) 327
(C) 213
Answer:
B.

Explanation:
Given that there are 275 clocks on the shelves at the Clock Shop. Mr. Young puts 52 of those clocks on the walls, so the number of clocks are on the shelves now is 275+52 which is 327.

2nd Grade Go Math Lesson 13.5 Answer Key Question 7.
Joe’s first book has 84 pictures. It has 73 more pictures than his second book. How many pictures are in the second book?
Write a number sentence with a for the unknown number. Then solve.
____________ pictures
Answer:
The number of pictures are in the second book is 157 pictures.

Explanation:
Given that Joe’s first book has 84 pictures and it has 73 more pictures than his second book. So the number of pictures are in the second book is 84 + 73 which is 157 pictures

Question 8.
Texas Test Prep There are 426 students at the school. Some students walk to school. 180 students take the bus to school. How many students walk to school?

(A) 127
(B) 117
(C) 517
Answer:
The number of students walk to school is 246 students.

Explanation:
Given that there are 426 students at the school and some students walk to school. 180 students take the bus to school, so the number of students walk to school is 426 – 180 which is 246 students.

TAKE HOME ACTIVITY • Have your child explain how he or she solved one of the problems in this lesson.
Answer:

Texas Go Math Grade 2 Lesson 13.5 Homework and Practice Answer Key

Label the model. Write a number sentence with a for the missing number. Solve.

Question 1.
There are 426 students at the school. Some students walk to school. 180 students take the bus to school. How many students walk to school?

_____________ students
Answer:
The number of students walking to school is 246 students.

Explanation:
Given that there are 426 students at the school and some students walk to school. 180 students take the bus to school. So the number of students walking to school is 426 – 180 which is 246 students.

Problem Solving

Solve. Write or draw to show your work.

Question 2.
Molly has 270 stickers. Some stickers are animal stickers and some are smiley stickers. There are more than 100 stickers of each kind. How many stickers of each kind could there be?
_____________ animal stickers
_____________ smiley stickers
Answer:
135 animal stickers.
135 smiley stickers.

Explanation:
Given that Molly has 270 stickers and some stickers are animal stickers and some are smiley stickers. There are more than 100 stickers of each kind. So the number of stickers of each kind would be 270 ÷ 2 which is 135 stickers of animals and 135 stickers of smiley.

Question 3.
Multi-Step Mr Stevens has 48 books in one bookcase and 84 books in another. 15 books are mysteries. How many books are not mysteries?
_____________ books
Answer:
The number of books that are not mysteries is 117 books.

Explanation:
Given that Mr. Stevens has 48 books in one bookcase and 84 books in another, so the number of books did Mr. Stevens had is 48 + 84 which is 132, and in that 15 books are mysteries. So the number of books that are not mysteries is 132 – 15 which is 117 books.

Lesson Check

Choose the correct answer.

Question 4.
There are a total of 446 sheep and goats at the Town Fair. There are 179 sheep. How many goats are there?
(A) 333
(B) 267
(C) 625
Answer:
B.

Explanation:
Given that there are a total of 446 sheep and goats at the Town Fair and there are 179 sheep, so the number of goats are there is 446 – 179 which is 267 sheep.

Question 5.
There are 192 cameras at the store. 85 of the cameras are in boxes. How many cameras are not in boxes?
(A) 107
(B) 97
(C) 277
Answer:
A.

Explanation:
Given that there are 192 cameras at a store and 85 of the cameras are in the boxes. So the number of cameras are not in the boxes is 192 – 85 which is 107 cameras.

Go Math Grade 2 Pdf Lesson 13.5 Answer Key Question 6.
There are 286 bikes in the warehouse. Then 124 bikes are taken to stores. How many bikes are still in the warehouse?
(A) 162
(B) 410
(C) 152
Answer:
A.

Explanation:
Given that there are 286 bikes in a warehouse and then 124 bikes are taken to stores. So the number of bikes still in the warehouse is 286 – 124 which is 162 bikes.

Question 7.
There are 500 sheets of paper in a box. Teachers use some of the paper. Now there are 138 sheets of paper in the box. How many sheets of paper did the teachers use?
(A) 362
(B) 338
(C) 372
Answer:
A.

Explanation:
Given that there are 500 sheets of paper in a box the teachers use some of the paper. Now there are 138 sheets of paper in the box. So the number of sheets of paper the teachers use is 500 – 138 which is 362 sheets.

Refer to our Texas Go Math Grade 2 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 2 Lesson 14.3 Answer Key Compose Two-Dimensional Shapes.

Texas Go Math Grade 2 Lesson 14.3 Answer Key Compose Two-Dimensional Shapes

Explore

Make the shape with pattern blocks. Draw and color the blocks you used.

FOR THE TEACHER • Read the following problem. Pam uses blocks to make this quadrilateral three different ways. Each time she uses a different number of blocks. What are three ways Pam can make the quadrilateral?
Answer:

Math Talk
Mathematical Processes

Describe the quadrilateral that Pam makes.
Answer:

Model and Draw

Combine the shapes to make a new shape that has 4 sides.

Answer:
A quadrilateral can be made by combining 2 triangles.

Share and Show

Combine the pattern blocks. Trace the blocks to show the new shape you made. Name the new shape.

hexagon
pentagon
quadrilateral
octagon
triangle

Go Math Answer Key Grade 2 Compose Shapes Question 1.
Make a new shape that has 3 vertices.

Answer:

Explanation:
A triangle has 3 vertices.

Question 2.
Make a new shape that has 6 sides.

Answer:

Explanation:
A Hexagon has 6 sides.

Problem Solving

Combine the pattern blocks. Trace the blocks to show the new shape you made.

Question 3.
Make a new shape that has more than 6 sides.

Answer:

Explanation:
I made a hexagon by combining the above shapes.

Go Math Grade 2 Answer Key Compose 2d Shapes Question 4.
H.O.T. Todd puts two blocks together to make a pentagon. Trace pattern blocks to show how he could do this.

Answer:

Explanation:
Todd makes a pentagon using 2 quadrilaterals.

Question 5.
H.O.T. Multi-Step Sam puts blocks together to make a polygon with 10 sides. Draw to show a polygon she could make. Write the number of vertices.
_________ vertices
Answer:

Explanation:
Sam puts blocks together to make a polygon with 10 sides.I drew a polygon with 10 sides.A polygon with 10 sides has 10 vertices.

Daily Assessment Task

Choose the correct answer.

Question 6.
Connect Kim put these two blocks together. What new shape did she make?

(A) quadrilateral
(B) pentagon
(C) hexagon
Answer:
(B) pentagon

Explanation:
If Kim put those 2 blocks together then the new shape has 5 sides. A shape with 5 sides is a pentagon.

Go Math Grade 2 Answers 2d Shapes Question 7.
Combine the pattern blocks shown. Make a new shape that has 4 sides. Trace the new shape.

Answer:

Explanation:
If we join 2 triangles we get a quadrilateral as shown above.

Question 8.
Texas Test Prep Shawn put these three blocks together. What new shape did he make?

(A) pentagon
(B) octagon
(C) quadrilateral
Answer:
(C) quadrilateral

Explanation:
The goven shape is a quadrilateral as it has 4 sides.

TAKE HOME ACTIVITY • Have your child explain how he or she solved one of the problems in this lesson.
Answer:

Texas Go Math Grade 2 Lesson 14.3 Homework and Practice Answer Key

Question 1.
Combine the pattern blocks to make a new shape that has 5 sides. Draw and name the new shape.

Answer:

Explanation:
A shape that has 5 sides is a pentagon and when we combine the two shapes above we get a new shape with 5 sides.

Problem Solving

Question 2.
Sue put two pattern blocks together to make a quadrilateral. Draw the shape she made.

Answer:

Explanation:
Sue made the above quadrilateral by combining 2 triangles.

Go Math Grade 2 Shapes Answer Key Question 3.
Multi-Step Albert put two blocks together to make a polygon with 8 sides. Draw to show a polygon he could make. Write the number of vertices.
__________ vertices
Answer:

Explanation:
Albert put two blocks together to make a polygon with 8 sides. The shape he drew is a octagon. It has 8 sides and 8 vertices.

Lesson Check

Choose the correct answer.

Question 4.
Kyle wants to put two shapes together to make a new shape with 4 sides. Which two shapes could Kyle use?

Answer:

Explanation:
Kyle needs to put 2 triangles together to make a shape with 4 sides.
So, i marked the first set of shapes that are triangles.

Explanation:
If kyle wants to put two hapes together that make a new shape with 4 sides kyle could select 2 triangles.

Question 5.
Brenda used two blocks to make a shape with 6 sides. Which shape did she make?
(A) octagon
(B) hexagon
(C) pentagon
Answer:
(A) Hexagon

Explanation:
If Brenda used two blocks to make a shape with 6 sides.The shape is a hexagon.

Question 6.
Doug put these two shapes together to make a new shape. How many vertices does his new shape have?

(A) 3
(B) 4
(C) 6
Answer:
(A) 3

Explanation:
If Doug put these two shapes together to make a new shape. The new shape has 3 sides.

2d Shapes For Grade 2 Go Math Answer Key Question 7.
Lily put a triangle and a hexagon together to make a new shape. How many sides does her new shape have?

(A) 6
(B) 9
(C) 5
Answer:

(C) 5

Explanation:
If Lily put a triangle and a hexagon together to make a new shape, the new shape will have 5 sides.

Refer to our Texas Go Math Grade 2 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 2 Lesson 14.2 Answer Key More Two-Dimensional Shapes.

Texas Go Math Grade 2 Lesson 14.2 Answer Key More Two-Dimensional Shapes

Explore

Use a ruler. Draw the shape. Write the numbers.

FOR THE TEACHER • Read the following problem. Levi wants to draw a hexagon and a pentagon. What shapes could Levi draw? How many sides and vertices do each of Levis shapes have? Have children use rulers as straight edges for drawing the sides of the shapes.
Answer:

Explanation:
Levi drew a hexagon which has 6 sides and 6 vertices and a pentagon which has 5 sides and 5 vertices.

Math Talk
Mathematical Processes

Describe how the two shapes are the same and how they are different.
Answer:
The two shapes are polygons and the number of sides and vetices of these two shapes are different.

Model and Draw

A polygon is any closed, two-dimensional shape with only straight sides.

An octagon has 8 sides

__________ sides
__________ vertices
Answer:
8 sides
8 vertices

Explanation:
The above shape has 8 sides and 8 vertices.

__________ sides
__________ vertices
Answer:
10 sides
10 vertices

Explanation:
The above shape has 10 sides and 10 vertices.

__________ sides
__________ vertices
Answer:
12 sides
12 vertices

Explanation:
The above shape has 12 sides and 12 vertices.

Share and Show

Write the number of sides and the number of vertices for each polygon.

Question 1.

__________ sides
__________ vertices
Answer:
9 sides
9 vertices

Explanation:
The above shape has 9 sides and 9 vertices.

Question 2.

__________ sides
__________ vertices
Answer:
6 sides
6 vertices

Explanation:
The above shape has 6 sides and 6 vertices.

Question 3.

__________ sides
__________ vertices
Answer:
8 sides
8 vertices

Explanation:
The above shape has 8 sides and 8 vertices.

Problem Solving

Write the number of sides and the number of vertices for each polygon.

Question 4.

__________ sides
__________ vertices
Answer:
7 sides
7 vertices

Explanation:
The above shape has 7 sides and 7 vertices.

Question 5.

__________ sides
__________ vertices
Answer:
11 sides
11 vertices

Explanation:
The above shape has 11 sides and 11 vertices.

Two Dimensional Figures Lesson 14.2 Question 6.
H.O.T. Kelt drew these three shapes. She says they are all polygons. Is Kat correct? Explain.

Answer:

Explanation:
No Kelt is wrong as the shapes that are circled are only polygons but the shape circle is not a polygon.

Question 7.
H.O.T. Multi-Step Tim wants to draw a polygon with more than 9 sides but fewer than 13 sides. Draw more sides to show a polygon Tim could draw.

The polygon has __________ sides.
Answer:

Explanation:
I drew the leftover polygon.The polygon above has 10 sides.

Daily Assessment Task

Choose the correct answer.

Question 8.
Use Diagrams Which shape has exactly 10 sides?
(A) B
(B) C
(C) A
Answer:
Shape (C) has exactly 10 sides.

Question 9.
Which shape has exactly 8 vertices?
(A) D
(B) A
(C) C
Answer:
Shape (B) has exactly 8 vertices.

Question 10.
Multi-Step Which shapes have fewer than 10 sides?
(A) A and B
(B) C and D
(C) B and D
Answer:
Shapes B and D have fewer than 10 sides.

Question 11.
Texas Test Prep How many sides does this polygon have?

(A) 11 sides
(B) 12 sides
(C) 8 sides
Answer:
12 sides

Explanation:
The above shape has 12 sides.

TAKE HOME ACTIVITY • Hove your child explain how he or she solved one of the problems in this lesson.
Answer:

Texas Go Math Grade 2 Lesson 14.2 Homework and Practice Answer Key

Write the number of sides and the number of vertices for each polygon.

Question 1.

__________ sides
__________ vertices
Answer:
6 sides
6 vertices

Explanation:
The above shape has 6 sides and 6 vertices.

Question 2.

__________ sides
__________ vertices
Answer:
9 sides
9 vertices

Explanation:
The above shape has 9 sides and 9 vertices.

Problem Solving

Question 3.
Cheryl drew these three shapes. She says they are all polygons. Is Cheryl correct? Explain.

Answer:

Explanation:
Cheryl is wrong as the shape that is marked X is not a polygon as it donot have any sides.

Question 4.
Multi-Step Ethan starts to draw a polygon that looks like a house. Draw more sides for the polygon. How many sides does the polygon have?

The polygon has __________ sides.
Answer:
The polygon has 5 sides.

Lesson Check

Choose the correct answer.

Question 5.
Which shape has more than 10 sides?

(A) C
(B) B
(C) A
Answer:
(C)

Explanation:
The shape A has more than 10 sides.

Question 6.
How many sides does a hexagon have?
(A) 8
(B) 6
(C) 10
Answer:
(B) 6

Explanation:
A hexagon has 6 sides.

Lesson 14.2 Two Dimensional Figures Answer Key Question 7.
Which shape is a pentagon?

Answer:

Explanation:
A pentagon has 5 sides.I marked the shape that has 5 sides.

Question 8.
Which shape is an octagon?

Answer:

Explanation:
A octagon has 8 sides.I marked the shape that has 8 sides.

Refer to our Texas Go Math Grade 2 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 2 Unit 4 Answer Key Geometry and Measurement.

Texas Go Math Grade 2 Unit 4 Answer Key Geometry and Measurement

Show What You Know

Check your understanding of important skills

Order Length

Question 1.
Order from shortest to longest. Write 1, 2, 3.

Answer:

Explanation:
I wrote the numbers for the according to their lengths from shortest to longest.The green pencil is shortest, the blue pencil is longerthan green pencil and the yellow pencil is longest pencil.

Time to the Hour

Write the time shown on the clock.

Question 2.

Answer:

Explanation:
The time the clock shows is 11:00.

Texas Go Math Grade 2 Geometry Unit 4 Answer Key Question 3.

Answer:

Explanation:
The time the clock shows is 05:00.

Identify Two-Dimensional Shapes

Question 4.
Draw a loop around the rectangles. Draw an X on the triangles.

Answer:

Explanation:
I circled the rectangles and marked X on the triangles.

FAMILY NOTE: This page checks your child’s understanding of important skills needed for success in Unit 4.

Vocabulary Builder

Visualize It

Fill in the graphic organizer to describe the lengths of different objects.

Answer:

Understand Vocabulary

Use review words. Complete the sentences.

Review Words
length
longer
shorter
longest
shortest

Question 1.
The blue pencil is the __________________ pencil.
Answer:
The blue pencil is the longest pencil.

Question 2.
The red pencil is the ___________________ pencil.
Answer:
The red pencil is the shortest pencil.

Question 3.
The red pencil is __________________ than the yellow pencil.
Answer:
The red pencil is shorter than the yellow pencil.

Texas Go Math Geometry Grade 2 Unit 4 Test Answer Key Question 4.
The blue pencil is _________________ than the yellow pencil.
Answer:
The blue pencil is longer than the yellow pencil.

Vocabulary Reader

Figures
written by Mary Gobles
This Take-Home Book belongs to

Answer:

We’re on our way. It is sure to be fun. But I promised my mom, I’ll get my math homework done.
Answer:

What do the homework directions say to do?
Answer:

I found the first figure, it has sides 1, 2, 3. Yes, it’s a triangle above a door. Circle the figure, then you can find A figure with sides 1, 2, 3, 4.
Answer:

Explanation:
I circled the door as it is in the shape of rectangle.

As we rode along, I saw from the cab A very tall building we’d pass.
I looked at its windows, each one the same shape.
They were squares that were made out of glass!
Circle a square.
Answer:

Explanation:
I circled one of the window a sit is in the shape of square.

A 5-sided figure was hard to find But there on the lightpost, I could see A pentagon right in the middle.
Circle the figure for me.
Answer:

Explanation:
I circled the traffic sign board as ot is in the shape of pentagon.

The last figure to find is common.
The rectangle is the figure’s name.
When I found it I shouted, ‘Hip, hip hurrah!
Mom, this was such a fun game.”
Circle a rectangle.
Answer:

Explanation:
the large window is in the shape of a rectangle.

We got to the park, and I could play. My math homework was all done! I liked finding figures, and so I continued To find figures while having some fun!
What figures do you see in the park?
Answer:
In the park there are different shapes, they are rectangle, square, triangle and circle.

Write about the Math

Write Math Look at the shapes. Draw a picture that has these shapes in it. Write a story about your picture.

Answer:

Explanation:
John has a house made of different. The door in the shape of a rectangle, the window in the shape of square, the top of the house in the shape of traingle and a pentagon at the top.

Describing Shapes

Use the picture to answer the questions.

Question 1.
Where do you see rectangles in the picture?
Answer:
Doors and windows are in the shape of rectangles.

Question 2.
How many sides does one rectangle have?
_______ sides
Answer:
A rectangle has 4 sides.

Unit 4 Test Congruent Triangles Answer Key Pdf Question 3.
Look at the large window above the doors. How many small rectangles are in the first three rows of the rectangles?
_____________ small rectangles
Answer:
There are 18 small rectangles in the first three rows of the rectangles.

Question 4.
Look at the face of the clock. How many sides does it have?
________ sides
Answer:
The clock has 6 sides.

Math Board Draw some shapes with straight sides. Have a classmate describe and name each shape.
Answer:

Explanation:
I drew three more shapes are circle, a rhombus, and a hexagon.

Refer to our Texas Go Math Grade 2 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 2 Lesson 14.4 Answer Key Draw Two-Dimensional Shapes.

Texas Go Math Grade 2 Lesson 14.4 Answer Key Draw Two-Dimensional Shapes

Explore

Write the number of sides and vertices. Use the word list to name the shape.

hexagon
octagon
quadrilateral
pentagon

Answer:

Explanation:
A quadrilateral has 4 sides and 4 vertices, a hexagon has 6 sides and 6 vertices and a pentagon has 5 sidesand 5 vertices.

FOR THE TEACHER • Read the following problem. Tracey draws three shapes. What are the shapes that Tracey draws?
Answer:

Math Talk
Mathematical Processes

Explain how you know the names of the three shapes.
Answer:

Model and Draw

Here is a shape with 4 vertices. Draw a different shape with 4 vertices.

Answer:

Explanation:
I drew a square. A square has 4 sides.

Share and Show

Use a ruler to draw the shape.

Question 1.
a shape with 5 sides

Answer:

Explanation:
A shape with 5 sides is a pentagon. So, i drew a pentagon.

Question 2.
a shape with 3 vertices

Answer:

Explanation:
A shape with 3 sides is a triangle. So, I drew a triangle.

Go Math Grade 2 Answer Key Draw 2 Dimensional Shapes Question 3.
a shape with 8 vertices

Answer:

Explanation:
A shape with 8 sides is a octagon. So, i drew a octagon.

Question 4.
a shape with 6 sides

Answer:

Explanation:
A shape with 6 sides is a hexagon. So, i drew a hexagon.

Problem Solving

Use a ruler to draw the shape.

Question 5.
a shape with 5 vertices

Answer:

Explanation:
A shape with 5 vertices is a pentagon. So, i drew a pentagon.

Question 6.
a shape with 7 sides

Answer:

Explanation:
I drew a shape with 7 sides.

Go Math 2nd Grade Answer Key Draw 2 Dimensional Shapes Question 7.
H.O.T. Multi-Step Janet drew a pentagon and a hexagon. How many sides did she draw? Draw to prove your answer.
_________ sides


Answer:

Explanation:
Janet drew a pentagon and a hexagon. There are 12 sides in all.

Question 8.
H.O.T. Multi-Step Ben drew 3 shapes that had 14- sides in all. Draw shapes Ben could have drawn.

Answer:

Explanation:
Ben drew 3 shapes that had 14- sides in all. Ben could have drawn a triangle, pentagon and a hexagon.

Daily Assessment Task

Choose the correct answer.

Question 9.
Use Diagrams Alex drew a picture to show the shape of a garden. How many sides does the garden have?

(A) 5 sides
(B) 8 sides
(C) 6 sides
Answer:
(B) 8 sides

Explanation:
Alex drew a picture to show the shape of a garden. It has 8 sides.

Question 10.
Use a ruler. Draw a shape with 8 sides. Then draw a shape with 5 vertices.

Answer:

Explanation:
I drew a shape with 8 sides and a shape with 5 vertices.

Go Math Answer Key 2nd Grade Lesson 14.4 Question 11.
Texas Test Prep Terry draws this shape. How many vertices does the shape have?

(A) 8 vertices
(B) 4 vertices
(C) 6 vertices
Answer:
(A) 8 vertices

Explanation:
Terry draws this shape. It has 8 vertices.

TAKE HOME ACTIVITY • Have your child explain how he or she solved one of the problems in this lesson.
Answer:

Texas Go Math Grade 2 Lesson 14.4 Homework and Practice Answer Key

Use a ruler to draw the shape.

Question 1.
a shape with 6 vertices

Answer:

Explanation:
I drew a shape with 6 vertices.

Question 2.
a shape with 9 sides

Answer:

Explanation:
I drew a shape with 9 sides.

Problem Solving

Question 3.
Multi-Step Laura drew a hexagon and an octagon. How many sides did she draw? Draw to prove your answer.
____________ sides

Answer:

Explanation:
Laura drew a hexagon and an octagon. She drew 14 sides.

Lesson Check

Choose the correct answer.

Question 4.
Henry draws this shape. How many sides does the shape have?

(A) 11
(B) 12
(C) 8
Answer:
(B) 12

Explanation:
Henry draws this shape. It has 12 sides in all.

Question 5.
Melinda draws a picture of her comb. How many vertices does this shape have?

(A) 9
(B) 7
(C) 10
Answer:
(A) 9

Explanation:
Melinda draws a picture of her comb. It has 9 vertices.

Go Math Grade 2 Chapter 14 Lesson 14.4 Answer Key Question 6.
Nate draws his bedroom. How many sides does his bedroom have?

(A) 4
(B) 8
(C) 6
Answer:
(C) 6

Explanation:
Nate draws his bedroom. It has 6 sides.

Question 7.
Keith draws a baseball field. How many vertices does a baseball field have?

(A) 3
(B) 5
(C) 4
Answer:
(C) 4 vertices

Explanation:
Keith draws a baseball field. It has 4 vertices.

Refer to our Texas Go Math Grade 2 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 2 Lesson 14.1 Answer Key Two-Dimensional Shapes.

Texas Go Math Grade 2 Lesson 14.1 Answer Key Two-Dimensional Shapes

Explore

Use a ruler. Draw a shape with 3 straight sides. Then draw a shape with 4 straight sides.

FOR THE TEACHER • Have children use rulers as straight edges for drawing the sides of shapes. Have children draw a two-dimensional shape with 3 sides and then a two-dimensional shape with 4 sides.
Answer:

Explanation:
In the above image we can observe two shapes. The shape with 3 straight sides is called as triangle. The shape with 4 straight sides is called as quadrilateral.

Math Talk
Mathematical Processes

Describe how your shapes are different from the shapes a classmate drew.
Answer:

The classmate drawn a triangle and quadrilateral. I drawn pentagon and hexagon. So, the shapes are different.

Model and Draw

You can count sides and vertices to name two-dimensional shapes.
How many sides and vertices does each shape have?

Answer:

Explanation:
A polygon with 3 sides is called as triangle. This polygon has 3 vertices.
A polygon with 4 sides is called as quadrilateral. This polygon has 4 vertices.
A polygon with 5 sides is called as pentagon. This polygon has 5 vertices.
A polygon with 6 sides is called as hexagon. This polygon has 6 vertices.

Share and Show

Write the number of sides and the number of vertices.

Question 1.
triangle

__________ sides
__________ vertices
Answer:
A triangle has 3 sides and 3 vertices.
Explanation:
A triangle is a polygon with three edges and three vertices. It is one of the basic shapes in geometry.

Question 2.
hexagon

__________ sides
__________ vertices
Answer:
A hexagon has 6 sides and 6 vertices.
Explanation:
In geometry, a hexagon is a six-sided polygon or 6-gon.

Lesson 14.1 Two Dimensional Figures Answer Key Question 3.
pentagon

__________ sides
__________ vertices
Answer:
A pentagon has 5 sides and 5 vertices.
Explanation:
In geometry, a pentagon is any five-sided polygon or 5-gon.

Problem Solving

Write the number of sides and the number of vertices. Then write the name of the shape.

Question 4.

__________ sides
__________ vertices
Answer:

The name of the above shape is Hexagon.
Explanation:
In the above image we can observe one polygon. The polygon has 6 sides and 6 vertices. The name of the above shape is Hexagon. In geometry, a hexagon is a six-sided polygon or 6-gon.

Question 5.

__________ sides
__________ vertices
Answer:

The name of the above shape is quadrilateral.
Explanation:
In the above image we can observe one polygon. A quadrilateral is a polygon with four edges (sides) and four vertices (corners).

Question 6.

__________ sides
__________ vertices
Answer:

The name of the above shape is quadrilateral.
Explanation:
In the above image we can observe one polygon. A quadrilateral is a polygon with four edges (sides) and four vertices (corners).

Question 7.

__________ sides
__________ vertices
Answer:

The name of the above shape is triangle.
Explanation:
In the above image we can observe one polygon. A triangle is a polygon with three edges and three vertices. It is one of the basic shapes in geometry.

Question 8.

__________ sides
__________ vertices
Answer:

The name of the above shape is pentagon.
Explanation:
In the above image we can observe one polygon. A polygon has 5 sides and 5 vertices. The name of the above shape is pentagon.

Question 9.

__________ sides
__________ vertices
Answer:

The name of the above shape is quadrilateral.
Explanation:
In the above image we can observe one polygon. A quadrilateral is a polygon with four edges (sides) and four vertices (corners).

Question 10.
H.O.T. Multi-Step Alex draws a hexagon and two pentagons. How many sides does Alex draw altogether?

________ sides
Answer:

6 sides + 5 sides + 5 sides = 16 sides
Alex drawn 16 sides altogether.
Explanation:
Alex drawn a hexagon and two pentagons. A hexagon has 6 sides and 6 vertices. A pentagon has 5 sides and 5 vertices. Add 6 sides with 5 sides and 5 sides the sum is 16 sides. So, Alex drawn 16 sides altogether.

Question 11.
H.O.T. Lydia draws a shape that has 4 vertices. It is not a square. It is not a rectangle. Draw a shape that could be Lydia’s shape.
Answer:

Lydia’s shape is quadrilateral.
Explanation:
Lydia drawn a shape that has 4 vertices. It is not a square. It is not a rectangle. Lydia’s shape of the polygon is quadrilateral.

Daily Assessment Task

Choose the correct answer.

Question 12.
Apply Erin sees this shape. What ¡s the shape?

(A) pentagon
(B) triangle
(C) quadrilateral
Answer:

The shape is quadrilateral.
So, option C is correct.
Explanation:
Erin saw the above shape. The shape of the above polygon is quadrilateral. A quadrilateral is a polygon with four edges (sides) and four vertices (corners). So, draw a circle for option C.

Two-Dimensional Figures Lesson 14.1 Answer Key Question 13.
How many sides does this shape have?

_________ sides
Answer:
The above shape have 5 sides.
Explanation:
In the above image we can observe one polygon. The name of the above polygon is pentagon. A pentagon has 5 sides and 5 vertices.

Question 14.
How many vertices does this shape have?

_________ vertices
Answer:
The above shape has 6 vertices.
Explanation:
In the above image we can observe one polygon. The name of the above polygon is hexagon. A hexagon has 6 sides and 6 vertices.

Question 15.
Texas Test Prep What is the shape of this sign?

(A) quadrilateral
(B) hexagon
(C) pentagon
Answer:

Option C is correct.
Explanation:
The shape of the above sign is pentagon. Pentagon has 5 sides and 5 vertices. So, draw a circle for option C.

Take Home Activity: Ask your child to draw a shape that is a quadrilateral.
Answer:

Explanation:
A quadrilateral is a polygon with four edges (sides) and four vertices (corners).

Texas Go Math Grade 2 Lesson 14.1 Homework and Practice Answer Key

Write the number of sides and the number of vertices.

Question 1.
triangle

__________ sides
__________ vertices
Answer:
A triangle has 3 sides and 3 vertices.
Explanation:
A triangle is a polygon with three edges and three vertices. It is one of the basic shapes in geometry.

Question 2.
quadrilateral

__________ sides
__________ vertices
Answer:
A quadrilateral has 4 sides and 4 vertices.
Explanation:
In the above image we can observe one polygon. A quadrilateral is a polygon with four edges (sides) and four vertices (corners).

Question 3
pentagon

__________ sides
__________ vertices
Answer:
A pentagon has 5 sides and 5 vertices.
Explanation:
In the above image we can observe one polygon. A pentagon has 5 sides and 5 vertices.

Write the number of sides and the number of vertices. Then write the name of the shape.

Question 4.

__________ sides
__________ vertices
Answer:

The name of the above shape is quadrilateral.
Explanation:
In the above image we can observe one polygon. The name of the above shape is  quadrilateral. A quadrilateral is a polygon with four edges (sides) and four vertices (corners).

Question 5.

__________ sides
__________ vertices
Answer:

The above shape is hexagon.
Explanation:
In the above image we can observe one polygon. The name of the above polygon is hexagon. A hexagon has 6 sides and 6 vertices.

Question 6.

__________ sides
__________ vertices
Answer:

The above shape is pentagon.
Explanation:
In the above image we can observe one polygon. The name of the above polygon is pentagon. A pentagon has 5 sides and 5 vertices.

Problem Solving

Question 7.
Multi-Step Brittany draws a pentagon and two triangles. How many sides does Brittany draw altogether?
_________ sides
Answer:

5 sides + 3 sides + 3 sides = 11 sides
Brittany drawn 11 sides altogether.
Explanation:
Brittany drawn a pentagon and two triangles. A pentagon has 5 sides and 5 vertices. A triangle has 3 sides and 3 vertices. Add 5 sides with 3 sides and 3 sides the sum is 11 sides. Brittany drawn 11 sides altogether.

Lesson Check

Choose the correct answer.

Question 8.
What is the shape of this plate?

(A) pentagon
(B) quadrilateral
(C) hexagon
Answer:

Option C is correct.
Explanation:
The shape of the above plate is hexagon. Hexagon has 6 sides and 6 vertices. So, draw a circle for option C.

Question 9.
Ben’s favorite shape has 5 sides and 5 vertices. What is Ben’s favorite shape?
(A) triangle
(B) pentagon
(C) hexagon
Answer:

Option B is correct.
Explanation:
Ben’s favorite shape has 5 sides and 5 vertices. So, Ben’s favorite shape is pentagon. Draw a circle for option B.

Question 10.
Lynn drew this shape. What is the name this shape?

(A) quadrilateral
(B) triangle
(C) pentagon
Answer:

option A is correct.
Explanation:
Lynn drawn the above shape. The name of the above shape is quadrilateral. A quadrilateral has 4 sides and 4 vertices. So, draw a circle for option A.

Question 11.
Matthew sees this shape. What is the shape?

(A) hexagon
(B) triangle
(C) quadrilateral
Answer:

Option B is correct.
Explanation:
Matthew saw the above shape. The name of the above shape is triangle. A triangle has 3 sides and 3 vertices. So, draw a circle for option B.

Refer to our Texas Go Math Grade 2 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 2 Lesson 12.4 Answer Key Separate into Equal Groups.

Texas Go Math Grade 2 Lesson 12.4 Answer Key Separate into Equal Groups

Explore

Draw to show the problem. Complete the sentences.
There are ___________ groups of marbles.
There are ___________ marbles in each group.
There are ___________ marbles in all.

FOR THE TEACHER • Read the following problem to children. Then have children model the problem and complete the sentences. Alex has 5 bags. He places 2 marbles in each bag. How many marbles does he have?
Answer:

Explanation:
There are 5 groups of marbles.
There are 2 marbles in each group.
There are 10 marbles in all.

Math Talk
Mathematical Processes

Explain how you solved the problem.
Answer:
10 ÷ 5 = 2
Total 10 marbles shared among 5 groups with 2 marbles in each group.

Model and Draw

When you divide, you separate into equal groups.

Jose has 12 crayons. He puts the same number of crayons in each of 3 boxes. How many crayons does he put in each box?

__________ crayons

Anna will place 12 pencils in some boxes. She puts 6 pencils in each box. How many boxes will she use?

__________ boxes
Answer:
4 crayons
__________ boxes
Explanation:
Jose has 12 crayons.
He puts the same number of crayons in each of 3 boxes.
12 ÷ 3 = 4
4 crayons that he put in each box.
Anna will place 12 pencils in some boxes.
She puts 6 pencils in each box.
12 ÷  6 = 2
2 boxes she will use

Share and Show

Use counters. Then draw to show the number in each group.

Question 1.
20 cookies
5 plates

__________ cookies on each plate
Answer:

4 cookies on each plate
Explanation:
20 ÷ 5 = 4
Total 20 cookies shared
among 5 plates so
each plate has 4 cookies each.

Draw to find the number of equal groups.

Question 2.
21 buttons
3 buttons on each shirt

_____________ shirts
Answer:
21 ÷ 3 = 7
7 shirts
Explanation:

21 buttons are shared among 7 shirts.

Problem Solving

Use counters. Then draw to show the number in each group.

Question 3.
16 birds
4 birdfeeders

___________ birds at each birdfeeder
Answer:

Explanation:
16 ÷ 4 = 4 birds at each birdfeeder
16 birds shared among 4 bird feeders
4 birds in each group

Draw to find the number of equal groups.

Question 4.
15 cupcakes
5 cupcakes on each tray

__________ trays
Answer:
5 trays
Explanation:
15 ÷ 3 = 5
15 cup cakes shared among 5 plates
so, 3 among each plate

Solve. Write or draw to explain.

Question 5.
H.O.T. Multi-Step Amy has 2 stickers. Jen has 9 stickers. They place 7 stickers on each page of a book. How many pages are in the book?

___________ pages
Answer:
Explanation:
Amy has 2 stickers.
Jen has 9 stickers.
9 + 2 = 11
They place 7 stickers on each page of a book.
How many pages are in the book

Go Math Lesson 12.4 Answer Key Grade 2 Question 6.
H.O.T. Eric has 24 toothpicks. He uses each toothpick as 1 side of a square. How many squares can Eric make?
___________ squares
Answer:
6 squares
Explanation:
Eric has 24 toothpicks.
He uses each toothpick as 1 side of a square.
square has 4 sides
24 ÷ 4 = 6
6 squares can Eric make

Daily Assessment Task

Choose the correct answer.

Question 7.
Reasoning A ride at the fair has 2 seats that look like bears, lions, horses, and zebras. There are the same number of each animal. How many of each kind of seat are there?
(A) 6
(B) 4
(C) 8
Answer: C
Explanation:
A ride at the fair has 2 seats that look like bears, lions, horses, and zebras.
There are the same number of each animal.
4 x 2 = 8
4 of each kind of seat are there

Question 8.
Use counters to model the problem. Then draw to show the number in each group.

12 oranges
4 baskets
___________ oranges in each basket
Answer:

Explanation:
12 ÷ 3 = 4
3 oranges in each basket

Question 9.
TEXAS Test Prep Oliver has 18 cookies. He places an equal number of cookies on 9 plates. How many cookies are on each plate?
(A) 8
(B) 9
(C) 2
Answer: C
Explanation:
Oliver has 18 cookies.
He places an equal number of cookies on 9 plates.
18 ÷ 9 = 2
2 cookies are on each plate

TAKE HOME ACTIVITY • Ask your child to show how he or she solved on exercise in the lesson.
Answer:
Oliver has 18 cookies. He places an equal number of cookies on 9 plates. How many cookies are on each plate?
Explanation:
Explanation:
Oliver has 18 cookies.
He places an equal number of cookies on 9 plates.
18 ÷ 9 = 2
2 cookies are on each plate

Texas Go Math Grade 2 Lesson 12.4 Homework and Practice Answer Key

Draw to find the number in each group

Question 1.
20 apples
5 baskets

_________ apples in each basket
Answer:

Explanation:
20 ÷ 5 = 4
4 apples in each basket

Draw to find the number in each group

Question 2.
14 bagels
2 bagels on each plate

__________ plates
Answer:
7 plates
Explanation:
14 ÷ 2 = 7
14 bagels are shared among 7 plates

Problem Solving

Solve. Write or draw to explain.

Question 3.
Multi-Step Hal has 10 red pencils and 8 green pencils. He places the pencils in boxes. He places 6 pencils in each box. How many boxes does he use?
___________ boxes
Answer:
3 boxes
Explanation:
Hal has 10 red pencils and 8 green pencils.
He places the pencils in boxes.
10 + 8 = 18
He places 6 pencils in each box.
18 ÷ 6 = 3
3  boxes that he use

Lesson Check

Choose the correct answer.

Question 4.
Kim has 21 acorns. She places an equal number of acorns in 7 paper cups. How many acorns are in each cup?
(A) 4
(B) 5
(C) 3
Answer: C
Explanation:
Kim has 21 acorns.
She places an equal number of acorns in 7 paper cups.
21 ÷ 7 = 3
3 acorns are in each cup

Question 5.
The children in Mr. Gomez’s class go on a hoy ride. There are 20 children in the class. There is room for 4 children in each wagon. How many wagons will the children need?
(A) 5
(B) 6
(C) 4
Answer: A
Explanation:
The children in Mr. Gomez’s class go on a hoy ride.
There are 20 children in the class.
There is room for 4 children in each wagon.
20 ÷ 4 = 5
5 wagons will the children need

Question 6.
Ms. Carter buys a carton of juice boxes. There are 16 juice boxes in the carton. She shares the juice boxes equally among 8 children. How many juice boxes will each child get?
(A) 2
(B) 4
(C) 3
Answer: A
Explanation:
Ms. Carter buys a carton of juice boxes.
There are 16 juice boxes in the carton.
She shares the juice boxes equally among 8 children.
16 ÷ 8 = 2
2 juice boxes will each child get

Question 7.
There are 32 animals on a farm. There are the same number of horses, cows, sheep, and goats. How many of each kind of animal is on the farm?
(A) 6
(B) 9
(C) 8
Answer: C
Explanation:
There are 32 animals on a farm.
There are the same number of horses, cows, sheep, and goats.
32 ÷ 4 = 8
8 of each kind of animal is on the farm

Refer to our Texas Go Math Grade 2 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 2 Lesson 15.1 Answer Key Three-Dimensional Solids.

Texas Go Math Grade 2 Lesson 15.1 Answer Key Three-Dimensional Solids

Explore

Draw a picture of an object that has the shape shown.

FOR THE TEACHER • Have children look at the first shape and name some real objects that have this shape, such as a cereal box. Have each child draw a picture of a real-life object that has the same shape. Repeat for the second shape.
Answer:

Math Talk
Mathematical Processes

Describe how the shapes are alike. Describe how they are different.
Answer:

Model and Draw

These are three-dimensional solids. Compare the shapes and surfaces of the different solids.

Which of these objects has the shape of a cube?

Answer:

Explanation:
In the given objects, the ABC box  resembles the cube

Share and Show

Circle the objects that match the name of the solid.

Question 1.

Answer:

Question 2.

Answer:

Problem Solving

Circle the objects that match the name of the solid.

Question 3.

Answer:

Question 4.

Answer:

Explanation:
Both the images resemble a rectangular prism

Question 5.

Answer:

Explanation:
Both the images resemble cones.

Question 6.
H.O.T. Multi-Step Circle the solids that have a curved surface. Draw an X on the solids that do not have a curved surface.

Answer:

Question 7.
H.O.T. Julio used cardboard squares as the flat surfaces of a cube. How many squares did he use?
_____________ squares
Answer:
8 squares

Explanation:
Julio used cardboard in the shape of a cube, which has squares on all sides. So there are 6 squares on the cardboard.

Daily Assessment Task

Write the shape names to complete.

Question 8.
Choose the best label for each solid. Then write the names of the solids.
Has only flat surfaces

Has only a curved surface

Has both flat and curved surfaces
Answer:
Has only flat surfaces:

Has only a curved surface:

Has both flat and curved surfaces:

Question 9.
Texas Test Prep What is the name of this solid?

(A) triangular prism
(B) cone
(C) cylinder
Answer:
Cone

TAKE HOME ACTIVITY • Ask your child to name on object that has the shape of a cube.
Answer:

Texas Go Math Grade 2 Lesson 15.1 Homework and Practice Answer Key

Circle the objects that match the name of the solid.

Question 1.

Answer:

Question 2.

Answer:

Question 3.

Answer:

Problem Solving

Question 4.
Multi-Step Circle the objects that have a curved surface. Draw an X on the objects that do not have a curved surface.

Answer:

Lesson Check

Choose the correct answer.

Question 5.
Which of these objects is shaped like a cylinder?

Answer:

Question 6.
James sees this box. Which solid names the shape of this box?

(A) cone
(B) triangular prism
(C) cylinder
Answer:
Triangular prism

Question 7.
Kara loves to wrap gift boxes. Which solid names the shape of her gift box?

(A) rectangular prism
(B) triangular prism
(C) sphere
Answer:
Rectangular prism

Question 8.
Arthur likes to play basketball. Which solid names the shape of his basketball?

(A) cone
(B) sphere
(C) cube
Answer:
Sphere

Refer to our Texas Go Math Grade 2 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 2 Unit 3 Answer Key Algebraic Reasoning.

Texas Go Math Grade 2 Unit 3 Answer Key Algebraic Reasoning

Show What You Know

Check your understanding of important skills

Subtract Tens

Write the difference.

Question 1.

5 tens – 3 tens = _________ tens
50 – 30 = _________
Answer:
5 tens – 3 tens = 2 tens
50 – 30 = 20

Question 2.

7 tens – 2 tens = _________ tens
70 – 20 = _________
Answer:
7 tens – 2 tens = 5 tens
70 – 20 = 50

Practice 2-Digit Addition

Write the sum.

Question 3.

Answer:

Explanation:
The sum of 54 and 25 is 79.

Question 4.

Answer:

Explanation:
The sum of 35 and 18 is 53.

Question 5.

Answer:

Explanation:
The sum of 31 and 67 is 98.

Question 6.

Answer:

Explanation:
The sum of 21 and 69 is 90.

Count by Tens

Question 7.
Count by tens. Write how many in all.

__________ paints in all.
Answer:
50 paints in all.

Explanation:
I counted by tens, there are 5 tens of paints in the image
5 tens is 50
Therefore, there are 50 paints in all.

FAMILY NOTE: This page checks your child’s understanding b of important skills needed for success in Unit 3.

Vocabulary Builder

Visualize it

Fill in the boxes of the graphic organizer. Write sentences using less and more.

Answer:

Understand Vocabulary

Use the review words. Complete the sentences.

Review Words
less
more
digits
hundreds
tens

Question 1.
3 and 9 are ___________________ in the number 39.
Answer:
3 and 9 are digits in the number 39.

Question 2.
8 is in the ____________________ place ¡n the number 87.
Answer:
8 is in the tens place ¡n the number 87.

Question 3.
4 is in the ____________________ place ¡n the number 416.
Answer:
4 is in the hundreds place ¡n the number 416.

Vocabulary Reader

You Can Be a Winner!
written by Tim Johnson illustrated by Lance Lekander

This Take-Home Book belongs to

Answer:

Answer:

Answer:

Explanation:
94+97=191
Therefore, 191 children attended the space city camp in all.

Answer:

Answer:

It takes Uranus about 84 years to orbit the sun.
It takes Saturn about 29 years to orbit the sun.
What is the difference in years?
________ – ___________ = __________ years
Answer:

Explanation:
84 – 29 = 55
The difference in the years of the planets to orbit the sun is 55 years.

47 small meteors hit the moon’s surface ¡n one hour.
65 hit the moon’s surface during the next hour.
How many meteors hit the moon’s surface in those two hours?
_____ + _____ = _____ meteors
Answer:

Explanation:
47+65=112
112 meteors hit the moon’s surface in two hours.

One Moon day is about 28 Earth days long. How many Earth days are the same as 2 Moon days?
_____ + _____ = _____ Earth days
Answer:

Explanation:
28+28=56
56 days are the same as the 2 moon days.

Lucy is 8 years old now. She becomes an astronaut when she ¡s 35 years old. How many years until she becomes an astronaut?
_________ – ________ = _________ years
Answer:

Explanation:
35 – 8 = 27
There are 27 years until she became an astronaut.

What do you think will happen? Write a few sentences to tell how this story will end.
Answer:

Write about the Math

Write Math Look at the picture of meteors hitting the moon. Write a story about the number of meteors hitting the moon on 2 different days. Use 2-digit numbers in your story.

Answer:
47 small meteors hit the moon’s surface on one day
65 hit the moon’s surface on the second day
How many meteors hit the moon’s surface on those two days?
_____ + _____ = _____ meteors

Will You Add or Subtract?

Use the information to answer the questions.

The Space Ride opens at 9:00 in the morning. In the first hour, 58 children go on the ride. In the next hour, 21 children go on the ride.

Question 1.
How many children go on the ride in all?
________ children
Answer:

Explanation:
58 + 21 = 79
Therefore, 79 children went to ride in all.

Question 2.
How many more children go on the Space Ride during the first hour than during the second hour?
_________ more children
Answer:

Explanation:
58 – 21 = 37
Therefore, 37 more children went on the Space Ride during the first hour than during the second hour.

Question 3.
In the third hour, 37 children ride on the Space Ride. How many children go on the ride in the first 3 hours that it is open?
________ children
Answer:

Explanation:
58+21+37=116
Therefore, 116 children went on the Space Ride. How many children go on the ride in the first 3 hours that it is open.

MATH BOARD

Write a problem about the Space Ride that uses 2-digit addition or subtraction. Have a classmate solve the problem. Talk about strategies you can use to solve the problem.
Answer:
34 students went for a space ride in the morning and 50 students in the afternoon. Find the number of students went for the ride on the day in all.

Explanation:
34 + 50 = 84
Therefore, 84 students went for the ride on the day in all.