**Go Math Grade 1 Chapter 11 Answer Key Pdf:** Students can learn to think, strategize and solve problems from Go Math First Grade Answer Key Chapter 11 rather than just obtain answers. Learn, Practice, Succeed using the 1st Grade Go Math Chapter 11 Three Dimensional Geometry Solutions. HMH Go Math Grade 1 Answer Key provides a full complement of preparation resources all in one place making your toggling between home and classroom seamless. Our experts use the same models and problem-solving methods for the grade to grade so that maths concepts stay with you and develop enduring knowledge.

## Three-Dimensional Geometry Go Math Grade 1 Chapter 11 Answer Key Pdf

Go Math Grade 1 Chapter 11 Three Dimensional Geometry includes Questions from Chapter Tests, Review Tests, Assessments, Lessons, Homework & Practice, etc. To help you understand the concepts better we have provided step-by-step solutions for all the Problems in Go Math 1st Grade Solutions. In fact, all the Go Math Grade 1 Ch 11 Three Dimensional Geometry Answers are aligned as per the Go Math 1st Grade Textbooks. Begin your preparation without any delay and attempt the actual exam with confidence.

**Three Dimensional Geometry**

- Threeâ€“Dimensional Geometry Show What You Know – Page 630
- Threeâ€“Dimensional Geometry Vocabulary Builder – Page 631
- Threeâ€“Dimensional Geometry Game: Shape Match Bingo – Page 632
- Threeâ€“Dimensional Geometry Vocabulary Game – Page(632A-632D)

**Lesson: 1 Three-Dimensional Shapes**

- Lesson 11.1 Three-Dimensional Shapes – Page(633-638)
- Three-Dimensional Shapes Homework & practice 11.1 – Page(637-638)

**Lesson: 2 Combine Three-Dimensional Shapes**

- Lesson 11.2 Combine Three-Dimensional Shapes – Page(639-644)
- Combine Three-Dimensional Shapes Homework & Practice 11.2 – Page(643-644)

**Lesson: 3 Make New Three-Dimensional Shapes**

- Lesson 11.3 Make New Three-Dimensional Shapes – Page(645-650)
- Make New Three-Dimensional Shapes Homework & Practice 11.3 – Page(649-650)

**Mid-Chapter Check Point**

**Lessson: 4 Problem Solving â€¢ Take Apart Three-Dimensional Shapes**

- Lessson 11.4 Problem Solving â€¢ Take Apart Three-Dimensional Shapes – Page(651-656)
- Problem Solving â€¢ Take Apart Three-Dimensional Shapes Homework & practice 11.4 – Page(655-656)

**Lesson: 5 Two-Dimensional Shapes on Three-Dimensional Shapes**

- Lesson 11.5 Two-Dimensional Shapes on Three-Dimensional Shapes – Page(657-662)
- Two-Dimensional Shapes on Three-Dimensional Shapes Homework & practice 11.5 – Page(661-662)
- Threeâ€“Dimensional Geometry Chapter 11 Review/Test – Page(663-666)

**Curious George**

What three-dimensional shapes do you see in the sand castle?

Answer:

Cone,cylinder,cube.

Explanation:

In the above sand castle there are many three-dimensional shapes that are cone,cylinder,cube.

### Threeâ€“Dimensional Geometry Show What You Know

**Alike and Different**

Circle the objects that are alike.

Question 1.

Answer:

Explanation:

In the above shapes there are 2 cubes.So, circle cubes.

Question 2.

Answer:

Explanation:

In the above shapes there are 2 cones.So, circle cones.

**Identify Three-Dimensional Shapes**

Color the blue. Color the red. Color the yellow.

Question 3.

Answer:

Explanation:

The above given shape is cube.So, color it yellow.

Question 4.

Answer:

Explanation:

The above given shape is circle.So, color it blue.

Question 5.

Answer:

Explanation:

The above given shape is cylinder.So, color it red.

**Sort by Size**

Mark an X on the object that does not belong.

Question 6.

Answer:

Explanation:

In the above shapes the 3rd shape is big compared to the others.So, put a cross mark across it.

### Threeâ€“Dimensional Geometry Vocabulary Builder

**Visualize It**

Write review words to name the shapes.

Answer:

**Understand Vocabulary**

Look at the three-dimensional shapes. Color the sphere Color the cube Color the cylinder

Question 1.

Answer:

Explanation:

The above given shape is cylinder.So, color it green.

Question 2.

Answer:

Explanation:

The above given shape is sphere.so, color it blue.

Question 3.

Answer:

Explanation:

The above given shape is cube.So, color it yellow

### Threeâ€“Dimensional Geometry Game: Shape Match Bingo

Materials â€¢ 9 â€¢ 9 â€¢

Play with a partner. Take turns.

1. One player uses . The other player uses .

2. Spin . Use a counter to cover a space with that shape.

3. If you cannot cover a space, your turn is over.

4. The first player to cover all of his or her spaces wins.

### Threeâ€“Dimensional Geometry Vocabulary Game

**Going Places with GOMATH! words**

**Going on a Train Trip**

For 2 players

**Materials**

**How to Play**

1. Choose a and put it on START.

2. Toss the to take a turn. Move your that many spaces.

3. If you land on these spaces:

**Red Space** Take a Clue Card. Answer the question. If you are correct, move ahead 1. Return the Clue Card to the bottom of the pile.

**Blue Space** Follow the directions on the space.

4. Collect 5 Clue Cards. Move around the track as many times as you need to. Then, follow the closest center path to reach FINISH.

5. The first player to reach FINISH wins.

**The Write Way**

**Reflect**

Choose one idea. Draw and write about it.

â€¢ Tell about two of these words.

â€¢ Compare a curved surface to a flat surface. Tell how are they alike and how they are different.

Answer:

### Lesson 11.1 Three-Dimensional Shapes

**Essential Question**

How can you identify and describe three-dimensional shapes?

**Listen and Draw**

Draw to sort the three-dimensional shapes.

Answer:

Explanation:

In the above picture there are two different shapes.They are cubes and spheres.

**Math Talk**

**MATHEMATICAL PRACTICES**

Generalize Explain how you sorted the shapes.

**Model and Draw**

These are three-dimensional shapes.

**Share and Show MATH BOARD**

Use three-dimensional shapes. Sort the shapes into three groups. Name and draw the shapes.

Question 1.

only flat surfaces

Answer:

Explanation:

Rectangular prism and cube both have only flat surfaces.

Question 2.

only a curved surface

Answer:

Explanation:

Sphere has only a curved surface.

Question 3.

both flat and curved surfaces

Answer:

Explanation:

Cone and cylinder both have flat and curved surfaces.

**On Your Own**

**MATHEMATICAL PRACTICE**

Use Models Use three-dimensional shapes.

Write the number of flat surfaces for each shape.

Question 4.

A rectangular prism has __ flat surfaces.

Answer:

A rectangular prism has 6 flat surfaces.

Question 5.

A cube has __ flat surfaces.

Answer:

A cube has 6 flat surfaces

Question 6.

A cylinder has __ flat surfaces.

Answer:

A cylinder has 2 flat surfaces

Question 7.

A sphere has __ flat surfaces

Answer:

A sphere has 0 flat surfaces

**GO DEEPER**

Write to name each shape.

Question 8.

Question 9.

Answer:

Explanation:

The above given shape is cone.So, write cone.

Question 10.

Answer:

Explanation:

The above shape is cube.So, write cube.

Question 11.

Answer:

Explanation:

The above given shape is cylinder.So, write cylinder.

Question 12.

Answer:

Explanation:

The above givem shape is rectangular prism.So, write rectangular prism.

**Problem Solving â€¢ Applications**

Circle the objects that match the clues

Question 13.

Kelly drew objects that have both flat and curved surfaces.

Answer:

Explanation:

In the above objects the circled objects have both flat and curved surfaces.

Question 14.

Sandy drew some rectangular prisms.

Answer:

Explanation:

The circled objects in the above picture are in the shape of rectangular prisms.

Question 15.

Match each shape to the group where it belongs

Answer:

Explanation:

Cone and cylinder have both flat and curved surfaces, cube and rectangular prism have only flat surfaces an dthe sphere has only a curved surface.

**TAKE HOME ACTIVITY**

â€¢ Ask your child to name real objects shaped like a sphere, a rectangular prism, and a cylinder.

### Three-Dimensional Shapes Homework & practice 11.1

**Three-Dimensional Shapes**

Use three-dimensional shapes. Write the number of flat surfaces for each shape.

Question 1.

A cylinder has __ flat surfaces.

Answer:

A cylinder has 2 flat surfaces.

Question 2.

A rectangular prism has _ flat surfaces.

Answer:

A rectangular prism has 6 flat surfaces.

**Go Math Book Grade 1 Chapter 11 Lesson 1 Answer Key Question 3.**

A cone has _ flat surface.

Answer:

A cone has 1 flat surface.

Question 4.

A cube has _ flat surfaces.

Answer:

A cube has 6 flat surfaces.

**Problem Solving**

Question 5.

Circle the object that matches the clue. Mike finds an object that has only a curved surface.

Answer:

Explanation:

Th circled object in the above objects is sphere.A sphere has only a curved surface.

Question 6.

**WRITE Math**

Use pictures or words to describe a cone.

Answer:

**Lesson Check**

Question 1.

Circle the shape that has both flat and curved surfaces.

Answer:

Explanation:

The circled shape in the above shapes has both flat and curved surfaces.

Question 2.

Circle the shape that has only a curved surface.

Answer:

Explanation:

The circled shape in the above shapes is a sphere.A sphere has only curved surface.

**Spiral Review**

Question 3.

Count forward. Write the number that is missing.

109, 110, 111, __, 113

Answer:

109,110,111,112,113.

Explanation:

There is a missing number in between the given number. Count forward.112 comes after 111. So, the missing number is 112.

**Go Math Grade 1 Chapter 11 Answer Key Question 4.**

What is the sum of 2 and 3? Write the number sentence.

Answer:

Explanation:

When we add 2 and 3, the sum is 5.So, 2+3=5.

### Lesson 11.2 Combine Three-Dimensional Shapes

**Essential Question**

How can you combine three-dimensional shapes to make new shapes?

Answer:

To make new shapes using three-dimensional shapes we have to put the shapes above,below or besides the the other shape so that a new shape will be formed.

**Listen and Draw**

Trace to draw the new shape. Write to name the new shape.

Answer:

Explanation:

The above shapes are made by combining two shapes. The new shapes are cylinder and rectangular prism.

**Math Talk**

**MATHEMATICAL PRACTICES**

Apply to Describe the new shapes Mandy and Carl made.

**Model and Draw**

You can put shapes together to make a new shape.

**Share and Show MATH BOARD**

Use three-dimensional shapes.

Answer:

Explanation:

In the above shapes, the circled shapes are the shapes that are made by combining the given shapes beside them.

**On Your Own**

**MATHEMATICAL PRACTICE**

**Attend to Precision**

Use three-dimensional shapes.

Answer:

Explanation:

In the above shapes the circled shapes are the shapes that are made by combing the given shapes besides them.

**Problem Solving â€¢ Applications WRITE Math**

**GO DEEPER**

Circle the shapes you could use to model the ice cream cone.

Question 9.

Answer:

Explanation:

In the above shapes the circles shapes make the icecream.

Question 10.

Circle the ways that make the same shape.

Answer:

Explanation:

The circled shapes in the above shapes is a cube and is formed by combining cubes.

Question 11.

Combine and .

Choose all the new shapes you can make.

Answer:

Explanation:

The marked shapes in the above picture are formed by combining the two given shapes which are a rectangular prism and a cone.

**TAKE HOME ACTIVITY**

â€¢ Ask your child to show you two different new shapes he or she can make by combining a soup can and a cereal box.

### Combine Three-Dimensional Shapes Homework & Practice 11.2

Use three-dimensional shapes.

Answer:

Explanation:.

The circled shapes in the above picture are formed by combing the two given shapes besides them.

**Problem Solving**

Question 3.

Circle the shapes you could use to model the bird feeder.

Answer:

Explanation:

The circled shapes cone and the cylinder are used to make the model the bird feeder

**Go Math Grade 1 Lesson 11.2 Homework Answers Question 4.**

**WRITE Math**

Combine two shapes to make a new shape. Describe how you put the shapes together.

_____________

_____________

_____________

_____________

Answer:

We can put the shapes together by placing the shapes one beside,above or below the other shapes.

**Lesson Check**

Question 1.

Circle the shape that combines and

Answer:

Explanation:

The circled shapes in the above picture are formed by combing the two given shapes cylinder and cone.

**Spiral Review**

Question 2.

Write the sum. Write how many tens.

40 + 20 = __ __ tens

Answer:

40+20=60=6 tens

Explanation:

When we add 4 tens and 2 tens we get 6 tens.

Question 3.

Emi has 15 crayons. She gives some crayons to Jo. Now she has 9 crayons. How many crayons did Emi give to Jo? Use the model to solve

__ crayons

Answer:

6 crayons

Explanation:

Emi has 15 crayons. She gives them some crayons to Jo. Now she has 9 crayons. When we subtract 9 from 15 we get 6. So, the number of crayons Emi gave to Jo is 6 crayons.

### Lesson 11.3 Make New Three-Dimensional Shapes

**Essential Question**

How can you use a combined shape to build new shapes?

**Listen and Draw**

Draw to copy the shape.

**Math Talk**

**MATHEMATICAL PRACTICES**

**Describe** how to draw to copy the new shape.

**Model and Draw**

Answer:

Explanation:

By repeating the bulided shape we can make the circled shape.We cannot make the other shape because its not like the shape given.

**Share and Show MATH BOARD**

Use three-dimensional shapes

Answer:

Explanation:

In the above shapes the circled shapes are the shapes that are made by combing the given shapes besides them.

**On Your Own**

**MATHEMATICAL PRACTICE**

Use a Concrete Model

Use three-dimensional shapes.

Answer:

Explanation:

In the above shapes the circled shapes are the shapes that are made by combing the given shapes besides them.

Question 7.

**THINK SMARTER**

Look at the shape.

How many are used to make the shape?

Answer:

Explanation:

The given shape is made by combining the 2 cubes 3 times.

How many are used to make the shape?

Answer:

Explanation:

The given shape is made by combining 1 cube 6 times.

**TAKE HOME ACTIVITY**

â€¢ Ask your child to explain how he or she solved Exercise 4.

### Make New Three-Dimensional Shapes Homework & Practice 11.3

Use three-dimensional shapes.

Answer:

Explanation:

In the above shapes, the circled shapes are the shapes that are made by combing the given shapes beside them.

Question:

Answer:

Explanation:

The above shape is formed by repeating the given shape.

**Chapter 11 Go Math 1st Grade Dimensional Shapes Question 4.**

**WRITE Math**

Use a cube and a cylinder to build a new shape. Repeat. Draw to show how you can combine these two new shapes to make a larger shape.

Answer:

Explanation:

By drawing a cube and a cylinder and repeating it we can make a larger shape like the above.

**Lesson Check**

Question 1.

Which new shape can you make? Circle the shape.

Answer:

Explanation:

In the above shapes the circled shapes are the shapes that are made by combing the given shapes above them.

**Spiral Review**

Question 2.

Which addition fact helps you solve 15 âˆ’ 6 = ? Write the number sentence.

__ + __ = __

Answer:

6+3=9

Explanation:

When we add 6 and 3 we get the sum 9. Therefore the sum of 6 and 3 is 9.

Question 3.

Which doubles fact helps you solve 5 + 6 = 11?

Circle the number sentence.

Answer:

Explanation:

When we add 5 and 6 we get the sum as 11. The doubles fact 5+5=10 helps us to solve 5+6=11.

### Threeâ€“Dimensional Geometry Mid-Chapter Check Point

**Concepts and Skills**

Question 1.

Circle the rectangular prisms.

Question 2.

Draw a line under the shapes that have both flat and curved surfaces.

Answer:

Explanation:

The circled objects in the above picture have both flat and curved surfaces.

Use three-dimensional shapes.

Answer:

Explanation:

The circled object in the above picture is formed by combining the shapes cube and cone.

Question 4.

**THINK SMARTER**

Which new shape can you make?

Answer:

Explanation:

When we combine and repeat the shape given in the question we get the third shape marked in the above picture.

### Lessson 11.4 Problem Solving â€¢ Take Apart Three-Dimensional Shapes

**Essential Question**

How can acting it out help you take apart combined shapes?

Mike has and . He chose some shapes to build a bridge. Which shapes did Mike use to build the bridge?

**Unlock the Problem**

What do I need to find?

What information do I need to use?

Mike has these shapes.

Show how to solve the problem.

Answer:

Explanation:

The above shape is made by combining the circled shapes cylinder and rectangular prism.

**HOME CONNECTION**

â€¢ Your child is investigating how shapes can be taken apart. Being able to decompose shapes into smaller parts provides a foundation for future work with fractions.

**Try Another Problem**

Kim used shapes to build this castle.

Use three-dimensional shapes. Circle your answer.

Question 1.

Which shapes did Kim use to build the tower?

Answer:

Explanation:

Kim made the tower by combining the circled shapes cone and a cylinder.

**Go Math Grade 1 Chapter 11 Mid Chapter Checkpoint Answer Key Question 2.**

Which shapes did Kim use to build this wall?

Answer:

Explanation:

Kim made the wall by combining the circled shapes cube and rectangular prism.

Question 3.

Which shapes did Kim use to build this wall?

Answer:

Explanation:

Kim made the above wall by combining the above circled shapes cylinder and cube.

Question 4.

Which shapes did Kim use to build the gate?

Answer:

Explanation:

Kim bulid the above gate by combining the circled shapes cylinder and rectangular prism.

**Math Talk**

**MATHEMATICAL PRACTICES**

Look for Structure How do you know which shapes Kim used to build the tower?

**Share and Show MATH BOARD**

**MATHEMATICAL PRACTICE**

Analyze Use three-dimensional shapes. Circle your answer.

Question 5.

Zack used shapes to build this gate. Which shapes did Zack use?

Answer:

Explanation:

zack build the gate by using the circled shapes cone and rectangular prism.

Question 6.

Chris used shapes to build this wall. Which shapes did Chris use?

Answer:

Explanation:

Chris build the above wall by using the circled shapes cylinder,cube and rectangular prism.

Question 7.

**THINK SMARTER**

Rosa uses and to build a tower. Draw to show a tower Rosa could build.

Answer:

Explanation:

Roscoe and cylinder.a build the tower by using the shapes.

**On Your Own**

**GO DEEPER**

Circle the ways that show the same shape.

Question 8.

Answer:

Explanation:

The circled shape in the above pictures is a cube and it is formed by combining cubes only.

Question 9.

**THINK SMARTER**

Answer:

Explanation:

The circled shape in the above pictures is a cube and it is formed by combining cubes only.

**Go Math Workbook Grade 1 Wonders Answer Key Pdf Question 10.**

**THINK SMARTER**

Sharon has many different blocks. She built this shape with her blocks.

Choose all the shapes Sharon used.

Answer:

Explanation:

Sharon made the shapes by using the shapes cube and rectangular prism.

**TAKE HOME ACTIVITY**

â€¢ Use real items such as a soup can (cylinder) and a cereal box (rectangular prism) to build a shape. Ask your child to name the shapes you used.

### Problem Solving â€¢ Take Apart Three-Dimensional Shapes Homework & Practice 11.4

**Use three-dimensional shapes.**

**Circle your answer.**

Question 1.

Paco used shapes to build this robot. Circle the shapes he used.

Answer:

Explanation:

Paco made a robot by using the circled shapes cylinder and rectangular prism.

**Problem Solving**

Question 2.

Circle the ways that show the same shape.

Answer:

Explanation:

The circled shape in the above picture is a rectangular prism and it is made by combining rectangular prisms only.

Question 3.

**WRITE Math**

Draw a picture of a house made from shapes. Write the shape names you used.

Answer:

Explanation:

I made a by using some shapes that are cones and rectangular prisms.

**Lesson Check**

Question 1.

Lara made this picture frame. Circle the shapes she used to make the frame

Answer:

Explanation:

The circled shapes in the above picture are used by Lara to make the picture frame.

**Spiral Review**

Question 2.

Compare each pair of numbers. Write <, >, or =.

Answer:

Explanation:

In the above picture we used the symbols <,> and = to compare the numbers.

13 is lessthan 31 so, use < symbol to compare

13 is equal to 13 so, use = symbol to compare

31 is greaterthan 13 so, use > symbol to compare

31 isnequal to 31 so, use = symbol to compare.

Question 3.

Subtract. What is the difference? Write the number.

60 – 30 = __

Answer:

60-30=30.

Explanation:

When we subtract 30 from 60 we get 30.3 tens fro 6 tens is 3 tens. Therefore 60-30=30.

### Lesson 11.5 Two-Dimensional Shapes on Three-Dimensional Shapes

**Essential Question**

What two-dimensional shapes do you see on the flat surfaces of three-dimensional shapes?

**Listen and Draw**

Use a cone.

**Math Talk**

**MATHEMATICAL PRACTICES**

Analyze What other shape could you use to draw the same kind of picture?

Answer:

I could have used circle to draw the same kind of picture.

**Model and Draw**

Trace around the flat surfaces of the three-dimensional shape to find the two-dimensional shapes.

Answer:

Explanation:

When we trace around the flat surfaces of the three-dimensional shapes we get two-dimensional shapes they are square and rectangle.

**Share and Show MATH BOARD**

Use three-dimensional shapes. Trace around the flat surfaces. Circle the shapes you draw.

Question 1.

Answer:

Explanation:

When we trace around the flat surfaces of the three-dimensional shape cube we get two-dimensional shape that is square.

**Go Math Chapter 11 Grade 1 Lesson 11.4 Answer Key Question 2.**

Answer:

Explanation:

When we trace around the flat surfaces of the three-dimensional shape cylinder we get two-dimensional shape that is circle.

Question 3.

Answer:

Explanation:

When we trace around the flat surfaces of the three-dimensional shape rectangular prism we get two-dimensional shapes they are square and rectangle.

**On Your Own**

**MATHEMATICAL PRACTICE**

Make Connections Circle the objects you could trace to draw the shape.

Question 4.

Answer:

Explanation:

When we trace around the flat surfaces of the three-dimensional object which is circled abovewe get two-dimensional shape that is rectangle.

Question 5.

Answer:

Explanation:

When we trace around the flat surfaces of the three-dimensional objects which are circled above we get two-dimensional shape that is circle.

Question 6.

Answer:

Explanation:

When we trace around the flat surfaces of the three-dimensional objects which are circled above we get two-dimensional shape that is square.

Question 7.

Answer:

Explanation:

When we trace around the flat surfaces of the three-dimensional object which is circled abovewe get two-dimensional shape that is rectangle.

Question 8.

**THINK SMARTER**

Draw a shape you would make if you traced this object.

Answer:

Explanation:

When we trace around the flat surfaces of the three-dimensional shape which is given above we get two-dimensional shape that is triangle.

**Problem Solving â€¢ Applications**

Circle the shape that the pattern will make if you fold it and tape it together.

Question 9.

Answer:

Explanation:

If we fold the above given pattern we get the three-dimensional shape that is rectangular prism.

**Go Math Chapter 11 Grade 1 Review/Test Answer Key Question 10.**

Answer:

Explanation:

If we fold the above given pattern we get the three-dimensional shape that is cube.

Question 11.

**THINK SMARTER**

Kei wants to trace a She finds these objects. Which object should she use?

Answer:

Explanation:

Kie wants to trace a rectangle.If he trace the flat surfaces of the gift box which is circled above he gets a two-dimensional shape rectangle.

What would happen if Kei used the to trace a shape?

Answer:

Explanation:

If kie trace the above given object he gets the two-dimensional shape that is circle.

**TAKE HOME ACTIVITY**

â€¢ Collect a few three-dimensional objects, such as boxes, that are shaped like rectangular prisms or cubes. Ask your child what two-dimensional shapes are on those objects.

### Two-Dimensional Shapes on Three-Dimensional Shapes Homework & Practice 11.5

Circle the objects you could trace to draw the shape.

Question 1.

Answer:

Explanation:

When we trace around the flat surfaces of the three-dimensional objects which are circled above we get two-dimensional shape that is rectangle.

Question 2.

Answer:

Explanation:

When we trace around the flat surfaces of the three-dimensional objects which are circled above we get two-dimensional shape that is circle.

**Problem Solving**

Question 3.

Look at this shape. Draw the shape you would make if you traced this object.

Answer:

Explanation:

When we trace around the flat surfaces of the three-dimensional object which is given above we get two-dimensional shape that is circle.

Question 4.

**WRITE Math**

Use pictures or words to explain how you would describe the shapes of flat surfaces you may see on a tissue box.

Answer:

**Lesson Check**

Question 1.

Which flat surface does a cone have? Circle the shape.

Answer:

Explanation:

When we trace around the flat surfaces of the three-dimensional object cone which is mentioned above we get the two-dimensional shape that is a circle.

**Go Math Grade 1 Chapter 11 Lesson 11.5 Question 2.**

Which flat surfaces could a rectangular prism have? Circle the pair of shapes.

Answer:

Explanation:

When we trace around the flat surfaces of the three-dimensional object rectangular prism which is mentioned above we get two-dimensional shape that is rectangle and square.

**Spiral Review**

Write a subtraction sentence to solve.

Question 3.

Jade has 8 books. She gives some of them to Dana. Now Jade has 6 books. How many did she give to Dana?

__ – __ = __

__ books

Answer:

8-6=2

2 books

Explanation:

Jade has 8 books. She gives some of them to Dana. Now Jade has 6 books.

8-6=2

Therefore, the number of books she give to Dana are 2.

Question 4.

Write the sum.

3 + 0 = __

Answer:

3+0=3

Explanation:

If we add any number with zero we get the sum same as the number we added.

### Threeâ€“Dimensional Geometry Chapter 11 Review/Test

Question 1.

Match each shape to the group where it belongs.

Answer:

Explanation:

The shapes that have only flat surfaces are cube and rectangular prism

The shape that has only a curved surface is a sphere

The shapes that have both flat and curved surfaces are cone and cylinder.

Question 2.

Combine and Choose all the new shapes you can make.

Answer:

Explanation:

The marked shapes in the above picture can be made by joining the shapes cube and cylinder given above.

Question 3.

Build and repeat. Choose Yes or No.

Answer:

Question 4.

Damon built this shape.

Choose all the shapes Damon used.

Answer:

Explanation:

Demon used the marked shapes cube and cone to build the shape given above.

Question 5.

Circle the number that makes the sentence true

Answer:

Explanation:

When we trace the flat surface of the three-dimensional shape cone we get a two-dimensional shape that is circle.

Question 6.

**GO DEEPER**

Sara wants to trace a . She finds these objects.

Which object should she use?

Answer:

Explanation:

When sara trace the flat surface of the shape given above he will get the two-dimensionla shape that is circle.

What would happen if she used the to trace a shape?

Answer:

Question 7.

Which shape has only 2 flat surfaces?

Answer:

Explanation:

In the above given shapes, the marked shape cylinder has 2 flat surfaces.

**Chapter 11 Grade 1 Go Math Answer Key Pdf Question 8.**

Look at the shape.

How many are used to make the shape?

Answer:

Explanation:

We need 3 to make the above shape.

Question 9.

Ellen built this shape.

Which objects did Ellen use? Circle them.

Answer:

Explanation:

Ellen used the above circled shapes cylinder and rectangular prism to build the shape given.

Draw another way to combine the objects

Answer:

Explanation:

When we combine the two shapes cylinder and rectangular prism we can also build another shape mentioned above.

**Grade 1 Go Math Chapter 11 Review/Test Question 10.**

**THINK SMARTER**

Hector built this shape.

Choose all the shapes Hector used

Answer:

Explanation:

Hector build the above shape by using the marked shapes from the picture given they are cone, cube and cylinder.