All the solutions provided inÂ **McGraw Hill My Math Grade 2 Answer Key PDF Chapter 12 Lesson 4 Three-Dimensional Shapes **will give you a clear idea of the concepts.

## McGraw-Hill My Math Grade 2 Answer Key Chapter 12 Lesson 4 Three-Dimensional Shapes

**Explore and Explain**

**Teacher Directions:** Look at the picture. Circle the three-dimensional shapes that you see, Identify and describe each shape.

Answer:

Explanation:

Circled the 3-D shapes.

In the frame there are cube, sphere and a rectangular prism.

**See and Show**

A three-dimensional shape is a shape with length, width, and height.

**Write the name of the shape. Circle the objects that are the same shape.**

Question 1.

Answer:

Explanation:

The Cereal box looks like rectangular prism

A 3-D shape is a shape with length, width, and height.

Question 2.

Answer:

Explanation:

The birthday cap and ice cream cone looks like a cone.

A 3-D shape is a shape with length, width, and height.

**Talk Math**

Name two objects in your classroom that are the same shape as a rectangular prism.

Answer:

Chalk box

and a Book are 2 objects in a classroom that are the same shape as a rectangular prism

**On Your Own**

**Write the name of the shape. Circle the objects that are the same shape.**

Question 3.

Answer:

Explanation:

The given shape is a sphere

The woolen ball looks like a sphere.

Question 4.

Answer:

Explanation:

The given shape is a rectangular prism

so, circled the marble box which looks like a marble box.

Question 5.

Answer:

Explanation:

The given shape is a pyramid

So, circled the wooden pyramid

Question 6.

Answer:

Explanation:

The given shape is a cube

A cube has 6 sides and 12 edges and 8 vertices

Question 7.

Answer:

Explanation:

A given shape is a cone

The birthday cap and the wooden shape looks like the cones.

**Problem Solving**

Question 8.

Jen is wrapping a present that is in a box. The box is square on all sides. What shape is the box Jen is wrapping?

Answer:

Explanation:

Jen is wrapping a present that is in a box.

The box is square on all sides.

The shape is the box Jen is wrapping is a cube

Question 9.

I am a three-dimensional shape. I have a circle at the bottom. I have a point at the top. What shape am I?

Answer:

Cone

Explanation:

I am a three-dimensional shape. I have a circle at the bottom.

so, the shape is a cone.

Question 10.

If you stack two cubes together what three-dimensional shape will you make?

Answer:

Rectangular prism

Explanation:

If the 2 cubes stacked together

The shapes looks like a rectangular prism

**Write Math**

How can you tell if a shape is three-dimensional?

Answer:

a solid figure or an object or shape that has three dimensions â€“ length, width, and height.

### McGraw Hill My Math Grade 2 Chapter 12 Lesson 4 My Homework Answer Key

**Practice**

**Write the name of the shape. Circle the objects that are the same shape.**

Question 1.

Answer:

Explanation:

The given shape is a cube

The Rubik’s Cube andÂ a dice are in shape of a cube.

Question 2.

Answer:

Explanation:

The given shape is a rectangular prism

The butter box looks like a rectangular prism

Question 3.

Answer:

Explanation:

The given shape is a cylinder

The marbles box and the dust bin looks like a cylinder

Question 4.

Answer:

Explanation:

The given shape is a cone

The ice cream cone and birthday cap looks like a cone

Question 5.

Answer:

Explanation:

The given shape is a sphere

The ball and orange looks like spheres

Question 6.

I have 6 surfaces. 2 of my surfaces are smaller than the others. I can stand up tall. What shape am I?

Answer:

Rectangular prism

Explanation:

I have 6 surfaces.

2 of my surfaces are smaller than the others.

I can stand up tall.

I am a Rectangular Prism

**Vocabulary Check**

**Draw lines to match.**

Answer:

Explanation:

The shapes are matched according their shape names.

**Math at Home**

Have your child identify items in your home that match the shapes he or she learned about in this lesson.

Answer:

The ball is in the shape of a sphere.