Go Math Answer Key

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 7 Lesson 7 Problem Solving existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 7 Lesson 7 Problem Solving

Solve

Draw pictures to help solve the problems.

Question 1.
Rob cuts a rope into 8 pieces. Each piece is 8 feet long. How long was the rope before Rob cut it? Write a division equation with a letter for the unknown number.
DRAWING
Answer:
1 feet
Explanation:
let the unknown length be m
m = 8 ÷ 8
m = 1 feet
each piece is one feet long

Question 2.
Hannah connects 7 pieces of pipe. Each piece is the same length. When the pieces are all connected, the pipe is 28 feet long from end to end. How long is each piece? Write a multiplication equation with a letter for the unknown number.
DRAWING
Answer:

Explanation:
let the unknown length be m
7 pieces of pipe
the pipe is 28 feet long
m = 28 ÷ 7
m = 4
each piece is 4 feet.

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 7 Lesson 6 Dividing by 1 – 10 existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 7 Lesson 6 Dividing by 1 – 10

Solve

Divide. Write the quotient.

Question 1.
20 ÷ 4 = ___________
Answer:

Explanation:
Multiplication and division are inversely proportional
The quotient is 5 as
4 x 5 = 20

Question 2.
27 ÷ 9 = ____________
Answer:

Explanation:
Multiplication and division are inversely proportional
The quotient is 3 as
9 x 3 = 27

Question 3.
54 ÷ 6 = ____________
Answer:

Explanation:
Multiplication and division are inversely proportional
The quotient is 9 as
6 x 9 = 54

Question 4.
9 ÷ 1 = ___________
Answer:

Explanation:
Multiplication and division are inversely proportional
The quotient is 9
1 x 9 = 9

Question 5.
80 ÷ 10 = ____________
Answer:

Explanation:
Multiplication and division are inversely proportional
The quotient is 8 as
10 x 8 = 80

Question 6.
0 ÷ 4 = ____________
Answer:
0
Explanation:
Multiplication and division are inversely proportional
The quotient is 0
4 x 0 = 0
When we multiply a number with 0 the product remains as 0.

Question 7.

Answer:

Explanation:
Multiplication and division are inversely proportional
The quotient is 8 as
5 x 8 = 40

Question 8.

Answer:

Explanation:
Multiplication and division are inversely proportional
The quotient is 4 as
7 x 4 = 28

Question 9.

Answer:

Explanation:
Multiplication and division are inversely proportional
The quotient is 7 as
2 x 7 = 14

Question 10.

Answer:

Explanation:
Multiplication and division are inversely proportional
The quotient is 3 as
3 x 3 = 9

Question 11.

Answer:

Explanation:
Multiplication and division are inversely proportional
The quotient is 6 as
1 x 6 = 6

Question 12.

Answer:

Explanation:
Multiplication and division are inversely proportional
The quotient is 5 as
9 x 5 = 45

Question 13.

Answer:

Explanation:
Multiplication and division are inversely proportional
The quotient is

Question 14.

Answer:

Explanation:
Multiplication and division are inversely proportional
The quotient is 10 as
10 x 10 = 100

Question 15.
There are 49 students at a petting zoo. Their teachers decide to arrange the students into 7 equal groups. How many students are in each group?
Answer:

Explanation:
Multiplication and division are inversely proportional
There are 49 students at a petting zoo.
Their teachers decide to arrange the students into 7 equal groups.
49 ÷  7 = 7
7 x 7 = 49
7 students in each group.

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 7 Lesson 5 Dividing by 10 existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 7 Lesson 5 Dividing by 10

Solve

Divide. Write the quotient.

Question 1.
100 ÷ 10 = ___________
Answer:
10

Explanation:
Multiplication and division are inversely proportional
The quotient is 10 as
10 x 10 = 100

Question 2.
30 ÷ 10 = ___________
Answer:

Explanation:
Multiplication and division are inversely proportional
The quotient is 3 as
10 x 3 = 30

Question 3.
60 ÷ 10 = _____________
Answer:

Explanation:
Multiplication and division are inversely proportional
The quotient is 6 as
10 x 6 = 60

Question 4.

Answer:

Explanation:
Multiplication and division are inversely proportional
The quotient is 9 as
10 x 9 = 90

Question 5.

Answer:

Explanation:
Multiplication and division are inversely proportional
The quotient is 4 as
10 x 4 = 40

Question 6.

Answer:

Explanation:
Multiplication and division are inversely proportional
The quotient is 8 as
10 x 8 = 80

Question 7.

Answer:
Answer is 0 if dividend is 0.
Explanation:
Multiplication and division are inversely proportional
The quotient is 0
10 x 0 = 0
If we divide a number with the 0 the product remains 0.

Question 8.
Certain sharks replace their front row of teeth every 10 days. How many times would one of these sharks replace its front row of teeth after 70 days?
Answer:

Explanation:
Certain sharks replace their front row of teeth every 10 days.
7 times that one of these sharks replace its front row of teeth after 70 days

Question 9.
A pet store is having a goldfish sale. Each fish costs 10 cents. How many goldfish can Shanti buy with 50 cents?
Answer:

Explanation:
A pet store is having a goldfish sale.
Each fish costs 10 cents.
5 goldfish can Shanti buy with 50 cents
10 x 5 = 50

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 11 Lesson 3 Identifying Quadrilaterals existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 11 Lesson 3 Identifying Quadrilaterals

Identify

Tell whether each figure is a quadrilateral. Place a check mark by your answer. If the figure is a quadrilateral, write its name.

Question 1.

___________ quadrilateral
___________ not quadrilateral
Answer:

Explanation:
A quadrilateral is a shape with 4 sides and 4 corners
The above given shape is a quadrilateral
Name of the shape is Parallelogram.

Question 2.

___________ quadrilateral
___________ not quadrilateral
Answer:

Explanation:
A quadrilateral is a shape with 4 sides and 4 corners
The above given shape is a quadrilateral
Name of the shape is Rhombus.

Question 3.

___________ quadrilateral
___________ not quadrilateral
Answer:

Explanation:
A quadrilateral is a shape with 4 sides and 4 corners
The above given shape is not a quadrilateral
Name of the shape is Hexagon.

Question 4.

___________ quadrilateral
___________ not quadrilateral
Answer:

Explanation:
A quadrilateral is a shape with 4 sides and 4 corners
The above given shape is a quadrilateral
Name of the shape is Square.

Question 5.

___________ quadrilateral
___________ not quadrilateral
Answer:

Explanation:
A quadrilateral is a shape with 4 sides and 4 corners
The above given shape is not a quadrilateral
Name of the shape is Triangle.

Question 6.

___________ quadrilateral
___________ not quadrilateral
Answer:

Explanation:
A quadrilateral is a shape with 4 sides and 4 corners
The above given shape is a quadrilateral
Name of the shape is Rectangle.

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 11 Lesson 4 Drawing Quadrilaterals existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 11 Lesson 4 Drawing Quadrilaterals

Draw and Identify

Question 1.
Draw a parallelogram.
Answer:

Question 2.
Draw a quadrilateral that has four sides and no right angles.
Answer:

Explanation:
I drew a Rhombus
It has 4 sides and 4 angles
Opposite angles of a rhombus are equal.

Put a check mark by the figure if it is a rhombus, rectangle, or square.

Question 3.

Answer:

Explanation:
I put a check mark by this figure as it is a square.

Question 4.

Answer:
It is not a rhombus, rectangle or square

Explanation:
I did not put a check mark by this figure as it is not a rhombus, rectangle or square.

Question 5.

Answer:

Explanation:
I put a check mark by this figure as it is a rhombus.

Question 6.

Answer:

Explanation:
I put a check mark by this figure as it is a hombus.

Question 7.

Answer:

Explanation:
I put a check mark by this figure as it is a rectangle.

Question 8.

Answer:
It is not a rhombus, rectangle or square

Explanation:
I did not put a check mark by this figure as it is not a rhombus, rectangle or square.

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 11 Lesson 5 Congruent Shapes existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 11 Lesson 5 Congruent Shapes

Draw and Identify

In each row, place a check mark by the figure that is congruent to the first figure.

Question 1.

Answer:

Explanation:
I placed a check mark on the figure C as it is congruent to the first figure.

Question 2.

Answer:

Explanation:
I placed a check mark on the figure A as it is congruent to the first figure.

Question 3.

Answer:

Explanation:
I placed a check mark on the figure B as it is congruent to the first figure.

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 11 Lesson 6 Symmetry of Shapes existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 11 Lesson 6 Symmetry of Shapes

Identify

Tell whether the dashed lines in each figure show a line of symmetry. Place a check mark by your answer.

Question 1.

___________ yes
___________ No
Answer:

Explanation:
Yes, the dashed lines in the above figure show a line of symmetry as it divides the shape into equal parts.

Question 2.

___________ yes
___________ No
Answer:

Explanation:
No, the dashed lines in the above figure do not show a line of symmetry as it does not divides the shape into equal parts.

Question 3.

___________ yes
___________ No
Answer:

Explanation:
Yes, the dashed lines in the above figure show a line of symmetry as it divides the shape into equal parts.

Question 4.

___________ yes
___________ No
Answer:

Explanation:
yes, the dashed lines in the above figure show a line of symmetry as it divides the shape into equal parts.

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 11 Lesson 7 Problem Solving existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 11 Lesson 7 Problem Solving

Solve

Use a pattern to solve each problem

Question 1.
Look at the pattern of shapes to the right. Fill in the last two shapes to continue the pattern.
Answer:

Explanation:
I filled the last two shapes to continue the pattern
I filled the bottom triangle in the last but one triangle
I filled the left triangle in the last triangle.

Question 2.
Anna is building a figure with 9 cans at the base. Each row has one less can than the row below. How many cans are in the fifth row she builds? _______
Answer:
5 cans

Explanation:
Anna is building a figure with 9 cans at the base
Each row has one less can than the row below
There will be 5 cans in the fifth row as 9 – 4 = 5.

Question 3.
Diego reads the first 10 pages of his book on Monday. He reads 3 pages more each day than the day before. How many pages will he read on Friday?
Answer:
16 pages

Explanation:
Diego reads the first 10 pages of his book on Monday
He reads 3 pages more each day than the day before
He reads 10 pages on Monday
Tuesday 10 + 3 = 13
Wednesday 13 + 3 =  16
Thursday 13 + 3 = 19
Friday 19 + 3 = 22
So, Diego reads 22 pages on Friday.

Question 4.
Rearrange the cards to the right to make a pattern. Predict the next 3 cards in the pattern.

Answer:
3, 6, 9, 12, 15, 18, 21, 24

Explanation:
I arranged the cards in the right manner
The pattern is 3, 6, 9, 12, 15
The next 3 cards in the pattern are 18, 21 and 24.

Guess; then test your guess to solve each problem.

Question 5.
Jay bought 2 picture frames. He spent $6.20.

Which 2 picture frames did jay buy?
Answer:

Explanation:
Jay bought Picture frames A and C.

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 11 Test existing for free of cost.

McGraw-Hill Math Grade 3 Chapter 11 Test Answer Key

Write your answers.

Question 1.
A regular polygon with three line segments is a __________
Answer:
A regular polygon with three line segments is a Triangle.

Question 2.
A part of a line that has one endpoint is a _____________
Answer:
A part of a line that has one endpoint is a Ray.

Question 3.
A quadrilateral has _________________ sides.
Answer:
A quadrilateral has four sides.

Question 4.
If an object is folded in half and the parts match, it has ______________
Answer:
If an object is folded in half and the parts match, it has Symmetry.

Identify each figure. If the figure has a special name, write it.

Question 5.

Answer:
Line segment

Explanation:
The above given figure is a line segment
It is a line with two end points on both the sides.

Question 6.

Answer:
Rectangle

Explanation:
The above given shape is a rectangle
It has 4 sides and 4 corners.

Question 7.

Answer:
Hexagon

Explanation:
The above given shape is a Hexagon
It has 6 sides and 6 corners.

Question 8.

Answer:
Angle

Explanation:
The above given figure represents an angle
An angle is the meeting point of 2 different lines.

Question 9.

Answer:
Ray

Explanation:
The above given figure is a line
A line has 1 end point and the other has no end.

Question 10.

Answer:
Non Polygon

Explanation:
The above given figure is not a polygon as it is not a closed figure.

Tell whether the dashed lines in each figure show a line of symmetry. Place a check mark next to your answer.

Question 11.

__________ yes
__________ no
Answer:

Explanation:
Yes, the dashed lines in the above figure show a line of symmetry as it divides the shape into equal parts.

Question 12.

__________ yes
__________ no
Answer:

Explanation:
No, the dashed lines in the above figure do not show a line of symmetry as it does not divides the shape into equal parts.

Question 13.

__________ yes
__________ no
Answer:

Explanation:
Yes, the dashed lines in the above figure show a line of symmetry as it divides the shape into equal parts.

Question 14.

__________ yes
__________ no
Answer:

Explanation:
No, the dashed lines in the above figure do not show a line of symmetry as it does not divides the shape into equal parts.

Question 15.

__________ yes
__________ no
Answer:

Explanation:
Yes, the dashed lines in the above figure show a line of symmetry as it divides the shape into equal parts.

Question 16.

__________ yes
__________ no
Answer:

Explanation:
No, the dashed lines in the above figure do not show a line of symmetry as it does not divides the shape into equal parts.

Name each figure as a polygon or non polygon.

Question 17.

Answer:
Non polygon

Explanation:
The above given figure is not a polygon as it is not a closed figure.

Question 18.

Answer:
Polygon

Explanation:
The above shape is a polygon as it has more than 3 sides and it is a closed shape.

Question 19.

Answer:
Non polygon

Explanation:
The above given figure is not a polygon as it is not a closed figure.

Place a check mark next to the name of each polygon.

Question 20.

__________ circle
__________ rectangle
__________ triangle
Answer:

Explanation:
I placed a check mark next to the name of the above polygon
It is a rectangle.

Question 21.

__________ hexagon
__________ octagon
__________ square
Answer:

Explanation:
I placed a check mark next to the name of the above polygon
It is a Hexagon.

Question 22.

__________ square
__________ triangle
__________ parallelogram
Answer:

Explanation:
I placed a check mark next to the name of the above polygon
It is a parallelogram.

Tell whether each figure is or is not a quadrilateral. Place a check mark next to your answer. If the figure is a quadrilateral, write its name.

Question 23.

____________ quadrilateral
____________ not quadrilateral
Answer:

Explanation:
A quadrilateral is a shape with 4 sides and 4 corners
The above given shape is a quadrilateral
Name of the shape is Rectangle.

Question 24.

____________ quadrilateral
____________ not quadrilateral
Answer:

Explanation:
A quadrilateral is a shape with 4 sides and 4 corners
The above given shape is not a quadrilateral
Name of the shape is Triangle.

Question 25.

____________ quadrilateral
____________ not quadrilateral
Answer:

Explanation:
A quadrilateral is a shape with 4 sides and 4 corners
The above given shape is a quadrilateral
Name of the shape is Parallelogram.

Continue each pattern. Show the next three shapes or numbers.

Question 26.

Answer:

Explanation:
I drew the next 3 shapes
The shapes i drew are box with lines and a empty box and a circle.

Question 27.

Answer:

Explanation:
The numbers in the above pattern are multiples of 3
I wrote the next 3 numbers in the pattern they are 21, 24 and 27.

Question 28.

Answer:

Explanation:
I drew the next 3 shapes
The shapes i drew are the upward arrow, right arrow and the downward arrow.