McGraw Hill My Math Grade 2 Chapter 4 Review Answer Key

All the solutions provided in McGraw Hill My Math Grade 2 Answer Key PDF Chapter 4 Review will give you a clear idea of the concepts.

McGraw-Hill My Math Grade 2 Chapter 4 Review Answer Key

Vocabulary Check

Complete each sentence. Use words from the box.

subtract fact family regroup difference

Question 1.
A _________________ is a group of 3 numbers that work together.
Answer:
fact family
Explanation:
A fact family is a group of 3 numbers that work together.

Question 2.
You can __________________ a ten into ten ones.
Answer:
regroup
Explanation:
You can regroup a ten into ten ones.

Question 3.
When you ____, you take something away from another number.
Answer:
subtract
Explanation:
When you subtract, you take something away from another number.

Question 4.
The answer you get from subtracting ¡s called the ____.
Answer:
difference
Explanation:
The answer you get from subtracting ¡s called the difference.

Write an example of a fact family.

Question 5.
$McGraw Hill My Math Grade 2 Chapter 4 Review Answer Key 1$
____ + ____ = _____ _____ – ____ = _____
____ + ____ = _____ _____ – ____ = _____
Answer:
$McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 6 img 14$
Explanation:
let us consider the numbers 3, 6 and 9 in the fact family
3 + 6 = 9 9 – 6 = 3
6 + 3 = 9 9 – 3 = 6

Concept Check

Subtract.

Question 6.
$McGraw Hill My Math Grade 2 Chapter 4 Review Answer Key 2$
Answer:
$McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 6 img 14$
Explanation:
The difference of 27 and 18 is 9
27 – 18 = 9

Question 7.
$McGraw Hill My Math Grade 2 Chapter 4 Review Answer Key 3$
Answer:
$McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 6 img 14$
Explanation:
The difference of 32 and 17 is 15
32 – 17 = 15

Question 8.
$McGraw Hill My Math Grade 2 Chapter 4 Review Answer Key 4$
Answer:
$McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 6 img 14$
Explanation:
The difference of 26 and 19 is 7
26 – 19 = 7

Question 9.
$McGraw Hill My Math Grade 2 Chapter 4 Review Answer Key 5$
Answer:
$McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 6 img 14$
Explanation:
The difference of 48 and 28 is 20
48 – 28 = 20

Question 10.
$McGraw Hill My Math Grade 2 Chapter 4 Review Answer Key 6$
Answer:
$McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 6 img 14$
Explanation:
The difference of 83 and 37 is 46
83 – 37 = 46

Question 11.
$McGraw Hill My Math Grade 2 Chapter 4 Review Answer Key 7$
Answer:
$McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 6 img 14$
Explanation:
The difference of 80 and 26 is 54
80 – 26 = 54

Question 12.
$McGraw Hill My Math Grade 2 Chapter 4 Review Answer Key 8$
Answer:
$McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 6 img 14$
Explanation:
The difference of 74 and 25 is 49
74 – 25 = 49

Question 13.
$McGraw Hill My Math Grade 2 Chapter 4 Review Answer Key 9$
Answer:
$McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 6 img 14$
Explanation:
The difference of 71 and 37 is 34
71 – 37 = 34

Rewrite the numbers. Subtract.

Question 14.
48 – 29
$McGraw Hill My Math Grade 2 Chapter 4 Review Answer Key 10$
Answer:
$McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 6 img 14$
Explanation:
The difference of 48 and 29 is 19
48 – 29 = 19

Question 5.
26 – 17
$McGraw Hill My Math Grade 2 Chapter 4 Review Answer Key 10$
Answer:
$McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 6 img 14$
Explanation:
The difference of 26 and 17 is 9
26 – 17 = 9

Question 6.
53 – 37
$McGraw Hill My Math Grade 2 Chapter 4 Review Answer Key 10$
Answer:
$McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 6 img 14$
Explanation:
The difference of 53 and 37 is 16
53 – 3 7 = 14

Subtract. Check by adding.

Question 17.
$McGraw Hill My Math Grade 2 Chapter 4 Review Answer Key 11$
Answer:
$McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 6 img 14$
Explanation:
The difference of 73 and 27 is 46
The sum of 46 and 27 is 73

Question 18.
$McGraw Hill My Math Grade 2 Chapter 4 Review Answer Key 12$
Answer:
$McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 6 img 14$
Explanation:
The difference of 63 and 36 is 27
The sum of 27 and 36 is 63

$McGraw Hill My Math Grade 2 Chapter 4 Review Answer Key 13$

Problem Solving

Question 19.
Max has 34 marbles. He gives 19 marbles away. How many marbles does Max have left?
____ marbles
Answer:
15 marbles
Explanation:
Max has 34 marbles.
He gives 19 marbles away.
34 – 19 = 15
15 marbles that Max have left.

Question 20.
There are 18 alligators around a pond. 10 alligators slide into the water. 2 come back out. How many alligators are around the pond now?
_____ alligators
Answer:
6 alligators
Explanation:
There are 18 alligators around a pond.
10 alligators slide into the water. 2 come back out.
10 + 2 = 12
18 – 12 = 6
6 alligators are around the pond now

Question 21.
Jill collects 68 golf balls. She gives 39 of them to her grandpa. She loses 8 of them. How many golf balls does Jill have left?
____ golf balls
$McGraw Hill My Math Grade 2 Chapter 4 Review Answer Key 14$
Answer:
21 golf balls
Explanation:
Jill collects 68 golf balls.
She gives 39 of them to her grandpa.
She loses 8 of them
39 + 8 = 47
68 – 47 = 21
21 golf balls that Jill have left

Test Practice

Question 22.
Matt sees 25 planes at the air show. 6 of the planes are red. 8 are white. The rest are blue. How many planes are blue?
(A) 39
(B) 19
(C) 14
(D) 11
Answer:
D
Explanation:
Matt sees 25 planes at the air show.
6 of the planes are red. 8 are white.
8 + 6 = 14
25 – 14 = 11
The rest are blue. 11 planes are blue

Reflect

Show the ways to subtract. Check your work.

Subtract from a two-digit number.
$McGraw Hill My Math Grade 2 Chapter 4 Review Answer Key 15$
Answer:
$McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 6 img 14$

Subtract with regrouping.
$McGraw Hill My Math Grade 2 Chapter 4 Review Answer Key 16$
Answer:
$McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 6 img 14$

ESSENTIAL QUESTION?
How can I subtract two-digit numbers?

Subtract without regrouping.
$McGraw Hill My Math Grade 2 Chapter 4 Review Answer Key 17$
Answer:
$McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 6 img 14$

Subtract with regrouping.
$McGraw Hill My Math Grade 2 Chapter 4 Review Answer Key 18$
Answer:
$McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 6 img 14$

McGraw-Hill My Math Grade 2 Chapter 4 Review Answer Key

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