McGraw Hill My Math Grade 2 Chapter 4 Lesson 1 Answer Key Two-Digit Fact Families

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All the solutions provided in McGraw Hill Math Grade 2 Answer Key PDF Chapter 4 Lesson 1 Two-Digit Fact Families will give you a clear idea of the concepts.

McGraw-Hill My Math Grade 2 Answer Key Chapter 4 Lesson 1 Two-Digit Fact Families

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McGraw Hill My Math Grade 2 Chapter 4 Lesson 1 Answer Key Two-Digit Fact Families 1

Teacher Directions: Use base-ten blocks to solve. Lindsay has 16 snowballs. She throws 7 of them. How many are left? Write the three numbers in the fact family. Then write the related number sentences.
Explanation:
McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 6 img 14

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The numbers in this addition and subtraction fact family are 18, 15, and 3.
McGraw Hill My Math Grade 2 Chapter 4 Lesson 1 Answer Key Two-Digit Fact Families 2
15 + 3 = 18 18 – 15 = 3
3 + 15 = 18 18 – 3 = 15

Complete each fact family.

Question 1.
McGraw Hill My Math Grade 2 Chapter 4 Lesson 1 Answer Key Two-Digit Fact Families 3
12 + 12 = ____ 24 – 12 = ____
Answer:
12 + 12 = 24
24 – 12 = 12
Explanation:
The numbers in this addition and subtraction fact family are 12, 12 and 24
The number sentences related to the numbers are
12 + 12 = 24
24 – 12 = 12

Question 2.
McGraw Hill My Math Grade 2 Chapter 4 Lesson 1 Answer Key Two-Digit Fact Families 4
11 + 6 = ____ 17 – 11 = ____
6 + 11 = ____ 17 – 6 = ____
Answer:
11 + 6 = 17
17 – 11 = 6
6 + 11 = 17
17 – 6 = 11
Explanation:
The numbers in this addition and subtraction fact family are 11, 6 and 17
The number sentences related to the numbers are
11 + 6 = 17
17 – 11 = 6
6 + 11 = 17
17 – 6 = 11

Question 3.
McGraw Hill My Math Grade 2 Chapter 4 Lesson 1 Answer Key Two-Digit Fact Families 5
16 + 4 = ____ 20 – 4 = ____
____ + ____ = ____ ___ – ____ = ____
Answer:
16 + 4 = 20 20 – 4 = 16
4 + 16 = 20 20 – 16 = 4
Explanation:
The numbers in this addition and subtraction fact family are 16, 4 and 20
The number sentences related to the numbers are
16 + 4 = 20 20 – 4 = 16
4 + 16 = 20 20 – 16 = 4

Talk Math How are these exercises like fact families that you have learned earlier?

On My Own

Complete each fact family.

Question 4.
McGraw Hill My Math Grade 2 Chapter 4 Lesson 1 Answer Key Two-Digit Fact Families 6
____ + ____ = ____ ____ – ____ = ____
____ + ____ = ____ ____ – ____ = ____
Answer:
11 + 8 = 19 19 – 8 = 11
8 + 11 = 19  19 – 11 = 8
Explanation:
The numbers in this addition and subtraction fact family are 8, 11 and 19
The number sentences related to the numbers are
11 + 8 = 19 19 – 8 = 11
8 + 11 = 19  19 – 11 = 8

Question 5.
McGraw Hill My Math Grade 2 Chapter 4 Lesson 1 Answer Key Two-Digit Fact Families 7
____ + ____ = ____ ____ – ____ = ____
____ + ____ = ____ ____ – ____ = ____
Answer:
3 + 23 = 26 26 – 3 = 23
23 + 3 = 26 26 – 23 = 3
Explanation:
The numbers in this addition and subtraction fact family are 3, 23 and 26
The number sentences related to the numbers are
3 + 23 = 26 26 – 3 = 23
23 + 3 = 26 26 – 23 = 3

Question 6.
McGraw Hill My Math Grade 2 Chapter 4 Lesson 1 Answer Key Two-Digit Fact Families 8
____ + ____ = ____ ____ – ____ = ____
____ + ____ = ____ ____ – ____ = ____
Answer:
22 + 3 = 25 25 – 3 = 22
3 + 22 = 25 25 – 22 = 3
Explanation:
The numbers in this addition and subtraction fact family are 22 , 3 and 25
The number sentences related to the numbers are
22 + 3 = 25 25 – 3 = 22
3 + 22 = 25 25 – 22 = 3

Question 7.
McGraw Hill My Math Grade 2 Chapter 4 Lesson 1 Answer Key Two-Digit Fact Families 9
____ + ____ = ____ ____ – ____ = ____
____ + ____ = ____ ____ – ____ = ____
Answer:
14 + 7 = 21 21 – 7 = 14
7 + 14 = 21 21 – 14 = 7
Explanation:
The numbers in this addition and subtraction fact family are 7, 14 and 21
The number sentences related to the numbers are
14 + 7 = 21 21 – 7 = 14
7 + 14 = 21 21 – 14 = 7

Question 8.
McGraw Hill My Math Grade 2 Chapter 4 Lesson 1 Answer Key Two-Digit Fact Families 10
____ + ____ = ____ ____ – ____ = ____
____ + ____ = ____ ____ – ____ = ____
Answer:
5 + 32 = 37 37 – 32 = 5
32 + 5 = 37 37 – 5 = 32
Explanation:
The numbers in this addition and subtraction fact family are 5, 32 and 37
The number sentences related to the numbers are
5 + 32 = 37 37 – 32 = 5
32 + 5 = 37 37 – 5 = 32

Problem Solving

Question 9.
Lizzie has 12 necklaces without beads. She also has 22 necklaces that have beads on them. How many necklaces does Lizzie have? Write the fact family that can be made from these numbers.
_____ necklaces
____ + ____ = ____ ____ – ____ = ____
____ + ____ = ____ ____ – ____ = ____
Answer:
12 + 22 = 34 34 – 22 = 12
22 + 12 = 34 34 – 12 = 22
Explanation:
Lizzie has 12 necklaces without beads.
She also has 22 necklaces that have beads on them.
12 + 22 = 34
34 necklaces that Lizzie have.

Question 10.
How many parking spaces are open in the parking lot?
_____ parking spaces
McGraw Hill My Math Grade 2 Chapter 4 Lesson 1 Answer Key Two-Digit Fact Families 11
Answer:
12 parking spaces
McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 6 img 14
Explanation:
There are 26 parking spaces
14 are filled
26 – 14 = 12
12 are open

HOT Poblem Sophia wrote this fact family. Tell why Sophia is wrong. Make it right.
76 + 12 = 88 76 – 12 = 88
12 + 76 = 88 12 – 76 = 88
Answer:
88 – 76 = 12
88 – 12 = 76 are subtraction facts.

McGraw Hill My Math Grade 2 Chapter 4 Lesson 1 My Homework Answer Key

Practice

Complete each fact family.

Question 1.
McGraw Hill My Math Grade 2 Chapter 4 Lesson 1 Answer Key Two-Digit Fact Families 12
____ + ____ = ____ ____ – ____ = ____
____ + ____ = ____ ____ – ____ = ____
Answer:
9 + 13 = 22 22 – 13 = 9
13 + 9 = 22 22 – 9 = 13
Explanation:
The numbers in this addition and subtraction fact family are 22, 9 and 13
The number sentences related to the numbers are
9 + 13 = 22 22 – 13 = 9
13 + 9 = 22 22 – 9 = 13

Question 2.
McGraw Hill My Math Grade 2 Chapter 4 Lesson 1 Answer Key Two-Digit Fact Families 13
____ + ____ = ____ ____ – ____ = ____
____ + ____ = ____ ____ – ____ = ____
Answer:
8 + 13 = 21 21 – 13 = 8
13 + 8 = 21 21 – 8 = 13
Explanation:
The numbers in this addition and subtraction fact family are 21, 13 and 8
The number sentences related to the numbers are
8 + 13 = 21 21 – 13 = 8
13 + 8 = 21 21 – 8 = 13

Question 3.
McGraw Hill My Math Grade 2 Chapter 4 Lesson 1 Answer Key Two-Digit Fact Families 14
____ + ____ = ____ ____ – ____ = ____
____ + ____ = ____ ____ – ____ = ____
Answer:
18 + 6 = 24 24 – 18 = 6
6 + 18 = 24 24 – 6 = 18
Explanation:
The numbers in this addition and subtraction fact family are 24, 18 and 6
The number sentences related to the numbers are
18 + 6 = 24 24 – 18 = 6
6 + 18 = 24 24 – 6 = 18

Complete the fact family.

Question 4.
McGraw Hill My Math Grade 2 Chapter 4 Lesson 1 Answer Key Two-Digit Fact Families 15
____ + ____ = ____ ____ – ____ = ____
____ + ____ = ____ ____ – ____ = ____
Answer:
13 + 13 = 26
26 – 13 = 13
Explanation:
The numbers in this addition and subtraction fact family are13, 13 and 26
The number sentences related to the numbers are
13 + 13 = 26
26 – 13 = 13

Use what you know about fact families to solve.

Question 5.
Marcus counts 24 children playing. 11 of the children are boys. How many girls are playing?
_______ girls
McGraw Hill My Math Grade 2 Chapter 4 Lesson 1 Answer Key Two-Digit Fact Families 16
Answer:
13 girls
Explanation:
Marcus counts 24 children playing.
11 of the children are boys.
24 – 11 = 13
13 girls are playing.

Question 6.
There are 49 second graders. 26 of them are in Miss Johnson’s class. How many students are in Mrs. Stewart’s class?
_____ students
Answer:
23 students
Explanation:
There are 49 second graders.
26 of them are in Miss Johnson’s class.
49 – 26 = 23
23 students are in Mrs. Stewart’s class

Test Practice

Question 7.
Which number sentence does not belong in the fact family for the numbers 7, 18, and 25?
(A) 18 + 7 = 25
(B) 18 – 25 = 7
(C) 7 + 18 = 25
(D) 25 – 7 = 18
Answer:
B
Explanation:
We cannot divide 18 from 25

Math at Home Have your child write the fact family for the numbers 22, 13, and 35.
Answer:
22 + 13 = 35 35 – 13 = 22
13 + 22 = 35 35 – 22 = 13

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