All the solutions provided in 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 ______________.
Answer:
The shape is a cube
Teacher Directions: Start at 1. Connect the dots in number order. Write the name of the shape you drew.
Answer:
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
Answer:
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
Answer:
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
Answer:
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
Answer:
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?
Answer:
Cube has 6 equal faces.
As it has 6 square faces.
On Your Own
Circle the shapes that match the description.
Question 5.
0 faces, 0 edges, 0 vertices
Answer:
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
Answer:
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
Answer:
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
Answer:
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
Answer:
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
Answer:
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
Answer:
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
Answer:
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.
Answer:
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.
Answer:
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.
Answer:
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
Answer:
Explanation:
A cube and 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 2.
0 faces, 0 edges, 0 vertices
Answer:
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
Answer:
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
Answer:
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
Answer:
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
Answer:
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?
Answer:
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.
Answer:
face
Explanation:
A face is a flat surface.
Question 9.
A ______________ is where 3 or more faces meet.
Answer:
vertex
Explanation:
A vertex is where 3 or more faces meet.
Question 10.
An _______________ is where 2 faces meet.
Answer:
edge
Explanation:
An edge is where 2 faces meet.
Math at Home
Have your child identify real-life objects in your home that have the same shape as one of the shapes learned in this lesson.
Answer:
The dice is in the shape of a cube.