# McGraw Hill My Math Grade 2 Chapter 12 Lesson 5 Answer Key Faces, Edges and Vertices

All the solutions provided inÂ McGraw Hill My Math Grade 2 Answer Key PDF Chapter 12 Lesson 5 Faces, Edges and Vertices will give you a clear idea of the concepts.

## McGraw-Hill My Math Grade 2 Answer Key Chapter 12 Lesson 5 Faces, Edges and Vertices

Explore and Explain

The shape is a ______________.

The shape is a cube

Teacher Directions: Start at 1. Connect the dots in number order. Write the name of the shape you drew.
I have drawn a cube

See and Show

You can describe three-dimensional shapes by the number of faces, edges, and vertices.

A face is a flat surface.
An edge is where 2 faces meet.
A vertex is where 3 or more faces meet.

Use three-dimensional shapes. Count the faces, edges, and vertices.

Question 1.
Shape:

___________ Faces
___________ Edges
___________ Vertices
6 Faces
12 Edges
8 Vertices
Explanation:
A face is a flat surface.
An edge is where 2 faces meet.
A vertex is where 3 or more faces meet.

Question 2.
Shape:

___________ Faces
___________ Edges
___________ Vertices
6 Faces
12 Edges
8 Vertices
Explanation:
A face is a flat surface.
An edge is where 2 faces meet.
A vertex is where 3 or more faces meet.

Question 3.
Shape:

___________ Faces
___________ Edges
___________ Vertices
5 Faces
8 Edges
5 Vertices
Explanation:
A face is a flat surface.
An edge is where 2 faces meet.
A vertex is where 3 or more faces meet.

Question 4.
Shape:

___________ Faces
___________ Edges
___________ Vertices
0 Faces
0 Edges
0 Vertices
Explanation:
A face is a flat surface.
An edge is where 2 faces meet.
A vertex is where 3 or more faces meet.

Talk Math

What figure has 6 equal faces? How do you know?
Cube has 6 equal faces.
As it has 6 square faces.

Circle the shapes that match the description.

Question 5.
0 faces, 0 edges, 0 vertices

Explanation:
A sphere has 0 faces 0 edges and 0 vertices
A face is a flat surface.
An edge is where 2 faces meet.
A vertex is where 3 or more faces meet.

Question 6.
6 faces,12 edges, 8 vertices

Explanation:
Rectangular prism and cube has 6 faces,12 edges, 8 vertices
A face is a flat surface.
An edge is where 2 faces meet.
A vertex is where 3 or more faces meet.

Question 7.
5 faces, 8 edges, 5 vertices

Explanation:
A pyramid has 5 faces, 8 edges, 5 vertices
A face is a flat surface.
An edge is where 2 faces meet.
A vertex is where 3 or more faces meet.

Question 8.
6 equal faces, 12 edges, 8 vertices

Explanation:
A cube has 6 equal faces, 12 edges, 8 vertices
A face is a flat surface.
An edge is where 2 faces meet.
A vertex is where 3 or more faces meet.

Circle the objects that match the description.

Question 9.
6 faces, 12 edges, 8 vertices

Explanation:
A gift box and the wooden cube has 6 faces, 12 edges, 8 vertices
A face is a flat surface.
An edge is where 2 faces meet.
A vertex is where 3 or more faces meet.

Question 10.
0 faces, 0 edges, 0 vertices

Explanation:
A sphere shaped ball and orange has 0 faces, 0 edges, 0 vertices
A face is a flat surface.
An edge is where 2 faces meet.
A vertex is where 3 or more faces meet.

Question 11.
6 faces, 12 edges, 8 vertices

Explanation:
A pin box has 6 faces, 12 edges, 8 vertices
A face is a flat surface.
An edge is where 2 faces meet.
A vertex is where 3 or more faces meet.

Question 12.
5 faces, 8 edges. 5 vertices

Explanation:
A pyramid has 5 faces, 8 edges. 5 vertices
A face is a flat surface.
An edge is where 2 faces meet.
A vertex is where 3 or more faces meet.

Problem Solving

Question 13.
Mindy drew the three shapes below. Circle the shape that has 6 faces and 12 edges.

Explanation:
Mindy drew the three shapes below.
A rectangular prism has 6 faces and 12 edges.

Question 14.
Ryan has a poster. The poster shows all shapes that have less than three faces. Circle the shape that is not on the poster.

Explanation:
A face is a flat surface.
An edge is where 2 faces meet.
A vertex is where 3 or more faces meet.
Ryan has a poster. The poster shows all shapes that have less than three faces.
so, the shapes is cube it has 6 faces

HOT Problem Which shape does not belong? Circle it. Explain why it does not belong.

Explanation:
Rather than sphere every shape has faces
so, circled the sphere.

### McGraw Hill My Math Grade 2 Chapter 12 Lesson 5 My Homework Answer Key

Practice

Circle the shapes or objects that matches the description.

Question 1.
6 faces, 12 edges, 8 vertices

Explanation:
A cube and rectangular prism hasÂ  6 faces, 12 edges, 8 vertices
A face is a flat surface.
An edge is where 2 faces meet.
A vertex is where 3 or more faces meet.

Question 2.
0 faces, 0 edges, 0 vertices

Explanation:
A sphere has 0 faces, 0 edges, 0 vertices
A face is a flat surface.
An edge is where 2 faces meet.
A vertex is where 3 or more faces meet.

Question 3.
5 faces, 8 edges, 5 vertices

Explanation:
A pyramid has 5 faces, 8 edges, 5 vertices
A face is a flat surface.
An edge is where 2 faces meet.
A vertex is where 3 or more faces meet.

Question 4.
6 faces, 12 edges, 8 vertices

Explanation:
A rectangular prism has 6 faces, 12 edges, 8 vertices
A face is a flat surface.
An edge is where 2 faces meet.
A vertex is where 3 or more faces meet.

Circle the objects that match the descriptions.

Question 5.
6 faces, 12 edges, 8 vertices

Explanation:
A rectangular prism has 6 faces, 12 edges, 8 vertices
A face is a flat surface.
An edge is where 2 faces meet.
A vertex is where 3 or more faces meet.

Question 6.
0 faces, 0 edges, 0 vertices

Explanation:
A sphere shaped ball has 0 faces, 0 edges, 0 vertices
A face is a flat surface.
An edge is where 2 faces meet.
A vertex is where 3 or more faces meet.

Question 7.
I am a three-dimensional shape. I have 5 faces. I have 8 edges and 5 vertices. What shape am I?

Explanation:
I am a three-dimensional shape.
A pyramid has 5 faces, 8 edges, 5 vertices

Vocabulary Check

Complete each sentence.
face
edge
vertex

Question 8.
A ______________ is a flat surface.
face
Explanation:
A face is a flat surface.

Question 9.
A ______________ is where 3 or more faces meet.
vertex
Explanation:
A vertex is where 3 or more faces meet.

Question 10.
An _______________ is where 2 faces meet.