McGraw Hill My Math Grade 2 Chapter 12 Review Answer Key

All the solutions provided in McGraw Hill My Math Grade 2 Answer Key PDF Chapter 12 Review will give you a clear idea of the concepts.

McGraw-Hill My Math Grade 2 Chapter 12 Review Answer Key

Vocabulary Check

Draw each shape.

Question 1.
hexagon
Answer:
McGraw Hill My Math Grade 2 Chapter 10 Lesson 4 img 24
Explanation:
A hexagon has 6 sides and 6 vertices

Question 2.
quadrilateral
Answer:
McGraw Hill My Math Grade 2 Chapter 10 Lesson 4 img 26
Explanation:
A quadrilateral has 4 sides and 4 vertices.

Match each word to the correct shape.

McGraw Hill My Math Grade 2 Chapter 12 Review Answer Key 1
Answer:
McGraw Hill My Math Grade 2 Chapter 10 Lesson 4 img 29
Explanation:
The shapes are matched according to there shape names.

Concept Check

Circle the shapes that match the name.

Question 9.
rectangle
McGraw Hill My Math Grade 2 Chapter 12 Review Answer Key 2
Answer:
McGraw Hill My Math Grade 2 Chapter 10 Lesson 4 img 30
Explanation:
A rectangle has 4 sides and 4 corners.
so, circled a rectangle.

Question 10.
pentagon
McGraw Hill My Math Grade 2 Chapter 12 Review Answer Key 3
Answer:
McGraw Hill My Math Grade 2 Chapter 10 Lesson 4 img 30
Explanation:
A pentagon has 5 sides and 5 vertices.
so, circled a pentagon.

Circle the shape that matches the description.

Question 11.
3 sides and 3 angles
McGraw Hill My Math Grade 2 Chapter 12 Review Answer Key 4
Answer:
McGraw Hill My Math Grade 2 Chapter 10 Lesson 4 img 30
Explanation:
A triangle has 3 sides and 3 corners
so, circled a triangle.

Question 12.
6 sides and 6 angles
McGraw Hill My Math Grade 2 Chapter 12 Review Answer Key 5
Answer:
McGraw Hill My Math Grade 2 Chapter 10 Lesson 4 img 30
Explanation:
A hexagon has 6 sides and 6 vertices.
so, circled the hexagon.

Write the name of the shape. Color the shapes that match.

Question 13.
McGraw Hill My Math Grade 2 Chapter 12 Review Answer Key 6
Answer:
McGraw Hill My Math Grade 2 Chapter 10 Lesson 4 img 31
Explanation:
A cylinder has 2 circle faces and a curved surface.

Circle the object that matches the description.

Question 14.
6 faces, 12 edges, 8 vertices
McGraw Hill My Math Grade 2 Chapter 12 Review Answer Key 7
Answer:
McGraw Hill My Math Grade 2 Chapter 10 Lesson 4 img 30
Explanation:
A rectangular prism has 6 faces, 12 edges, 8 vertices
so, circled the carry bag as it is in the shape of a rectangular prism

Problem Solving

Question 15.
Caden’s family is having pizza for dinner. There are 4 people in Caden’s family. Draw lines to show how Caden’s family should cut the pizza so that everyone gets an equal part.
McGraw Hill My Math Grade 2 Chapter 12 Review Answer Key 8
Answer:
McGraw Hill My Math Grade 2 Chapter 10 Lesson 4 img 32
Explanation:
Caden’s family is having pizza for dinner.
There are 4 people in Caden’s family.
Lines of symmetry is drawn to cut the pizza in to 4 equal parts.

Question 16.
Jamie drew a rectangle. He wants to partition it into equal-sized squares. He starts to partition the rectangle. Finish partitioning his rectangle. Write the total number of squares.
McGraw Hill My Math Grade 2 Chapter 12 Review Answer Key 9
______________ squares
Answer:
McGraw Hill My Math Grade 2 Chapter 10 Lesson 4 img 32
Explanation:
5 x 3 = 15 squares
Jamie drew a rectangle.
He partition the rectangle
so, there are 15 squares in the rectangle.

Test Practice

Question 7.
Blake has a peanut butter and jelly sandwich for lunch. He wants to share it with his 2 friends. Circle the word that tells how Blake should partition his sandwich.
McGraw Hill My Math Grade 2 Chapter 12 Review Answer Key 10
McGraw Hill My Math Grade 2 Chapter 12 Review Answer Key 11 halves
McGraw Hill My Math Grade 2 Chapter 12 Review Answer Key 11 thirds
McGraw Hill My Math Grade 2 Chapter 12 Review Answer Key 11 fourths
McGraw Hill My Math Grade 2 Chapter 12 Review Answer Key 11 fifths
Answer:
McGraw Hill My Math Grade 2 Chapter 10 Lesson 4 img 33 Halves
Explanation:
He cuts the sandwich into two equal halves.

Reflect

Show the ways you can use shapes and equal parts.

Identify each shape.
McGraw Hill My Math Grade 2 Chapter 12 Review Answer Key 12
Answer:

McGraw Hill My Math Grade 2 Chapter 12 Review Answer Key 13
Answer:
The given shapes are 2-D shapes they are triangle and rectangle
The given shapes are 3-D shapes they are Cube and a pyramid.

Essential Question

How do I use shapes and equal parts?
Answer:
Shapes are divided to equal parts to find the area.
For example, the plot is in the shape of a square
to construct a building we can divide the parts and construct the rooms

Partition the shape to match the description
McGraw Hill My Math Grade 2 Chapter 12 Review Answer Key 14
Answer:
McGraw Hill My Math Grade 2 Chapter 10 Lesson 4 img 33
The square is divided into thirds.

Write how many squares make the rectangle.
McGraw Hill My Math Grade 2 Chapter 12 Review Answer Key 15
___________ squares
Answer:
8 squares
A rectangle has divided in to 8 squares.

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