McGraw Hill My Math Grade 1 Chapter 9 Review Answer Key

All the solutions provided in McGraw Hill My Math Grade 1 Answer Key PDF Chapter 9 Review will give you a clear idea of the concepts.

McGraw-Hill My Math Grade 1 Chapter 9 Review Answer Key

Vocabulary Check

Complete the sentences.

fourths
halves
two-dimensional shape
whole

Question 1.
Two equal parts of a whole are called _______________.
Answer:
Two equal parts of a whole are called halves.

Question 2.
A __________________ is a flat shape, such as a circle, a triangle, or a square.
Answer:
A two-dimensional shape is a flat shape, such as a circle, a triangle, or a square.

Question 3.
Four equal parts of a whole are called ________________.
Answer:
Four equal parts of a whole are called fourths.

Question 4.
The entire amount or all of the parts ¡s called the ________________.
Answer:
The entire amount or all of the parts ¡s called the whole.

Concept Check

Write how many sides and vertices.

Question 5.
$McGraw Hill My Math Grade 1 Chapter 9 Review Answer Key 1$
___________ sides
___________ vertices
Answer:
3 sides
3 vertices

Explanation:
A triangle is a closed shape that has 3 sides and 3 vertices.

Question 6.
$McGraw Hill My Math Grade 1 Chapter 9 Review Answer Key 2$
___________ sides
___________ vertices
Answer:
4 sides
4 vertices

Explanation:
A square is a closed shape that has 4 sides and 4 vertices.

Circle the two pattern blocks used to make the shape. Draw a line to show your model.

Question 7.
$McGraw Hill My Math Grade 1 Chapter 9 Review Answer Key 3$
Answer:
$McGraw Hill My Math Grade 1 Chapter 9 Review Answer Key img 1$

Explanation:
I drew circle around the two pattern blocks that make the given composite shape
A triangle and a trapezoid makes he given shape.

Question 8.
$McGraw Hill My Math Grade 1 Chapter 9 Review Answer Key 4$
Answer:
$McGraw Hill My Math Grade 1 Chapter 9 Review Answer Key img 2$

Explanation:
I drew circle around the two pattern blocks that make the given composite shape
A triangle and a rhombus makes he given shape.

Write how many equal parts make up the whole.

Question 9.
$McGraw Hill My Math Grade 1 Chapter 9 Review Answer Key 5$
____________ equal parts
Answer:
2 equal parts

Explanation:
2 equal parts makes a whole
The above shape is divided into 2 equal parts.

Question 10.
$McGraw Hill My Math Grade 1 Chapter 9 Review Answer Key 6$
____________ equal parts
Answer:
4 equal parts

Explanation:
4 equal parts makes a whole
The above shape is divided into 4 equal parts.

Write how many parts are shaded.

Question 11.
$McGraw Hill My Math Grade 1 Chapter 9 Review Answer Key 7$
___________ of _____________ parts
Answer:
1 of 2 parts

Explanation:
The above given shape is shaded in parts
1 of 2 parts is shaded.

Question 12.
$McGraw Hill My Math Grade 1 Chapter 9 Review Answer Key 8$
___________ of _____________ parts
Answer:
1 of 4 parts

Explanation:
The above given shape is shaded in parts
1 of 4 parts is shaded.

Problem Solving

Question 13.
I am a two-dimensional shape that has more than two but less than 4 sides. What shape am I?
Answer:
Triangle

Explanation:
A triangle is a closed shape that has 3 sides and 3 vertices
So, a triangle is a shape that has more than two sides but less than 4 sides.

Question 14.
Amos and Elton want a piece of chicken pot pie. Each of them want an equal part of it. Draw a line to show how they should cut the pot pie.
$McGraw Hill My Math Grade 1 Chapter 9 Review Answer Key 9$
Answer:
$McGraw Hill My Math Grade 1 Chapter 9 Review Answer Key img 3$

Explanation:
Amos and Elton want a piece of chicken pot pie
Each of them want an equal part of it
I drew a line to show the way to cut the pot pie in 2 equal parts.

Test Practice

Question 15.
Jill and Carlos each have a shape. Both shapes have 4 sides and 4 vertices. Jill’s shape has 4 sides all the same length. Carlos’s shape has exactly I pair of sides that are the same length. What are the two shapes?
(A) square and triangle
(B) square and trapezoid
(C) triangle and rectangle
(D) circle and square
Answer:
(B) square and trapezoid

Explanation:
Jill and Carlos each have a shape
Both shapes have 4 sides and 4 vertices
Jill’s shape has 4 sides all the same length
A square is a closed shape that has 4 sides of same length and 4 vertices
Carlos’s shape has exactly I pair of sides that are the same length
A trapezoid is a closed shape that has 4 sides that has 1 pair of sides the same length and 4 vertices
So, the shapes are a square and trapezoid.

Reflect

Circle the shapes with more than 3 vertices.
$McGraw Hill My Math Grade 1 Chapter 9 Review Answer Key 10$
Answer:
$McGraw Hill My Math Grade 1 Chapter 9 Review Answer Key img 4$

Explanation:
I drew circles around the shapes that has more than 3 vertices
A rectangle, square, trapezoid and a rhombus have more than 3 vertices.

Circle the pattern blocks used to make the composite shape.
$McGraw Hill My Math Grade 1 Chapter 9 Review Answer Key 11$
Answer:
$McGraw Hill My Math Grade 1 Chapter 9 Review Answer Key img 5$

Explanation:
I drew circle around the pattern blocks that are used to make the given composite shape
A triangle and a trapezoid is used to make the given composite shape.

Draw lines to show equal parts.
2 equal parts
$McGraw Hill My Math Grade 1 Chapter 9 Review Answer Key 12$
Answer:
$McGraw Hill My Math Grade 1 Chapter 9 Review Answer Key img 6$