McGraw Hill My Math Grade 2 Chapter 1 Lesson 1 Answer Key Addition Properties

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All the solutions provided in McGraw Hill Math Grade 2 Answer Key PDF Chapter 1 Lesson 1 Addition Properties will give you a clear idea of the concepts.

McGraw-Hill My Math Grade 2 Answer Key Chapter 1 Lesson 1 Addition Properties

Explore and Explain

McGraw Hill My Math Grade 2 Chapter 1 Lesson 1 Answer Key Addition Properties 31

Teacher Directions: Draw a picture and write a number sentence to solve. Sue and Pat are zookeepers. Sue fed 5 monkeys and 3 elephants. How many animals did she feed? Pat fed 3 tigers and 5 giraffes. How many animals did he feed?
Explanation:
McGraw-Hill My Math Grade 2 Answer Key Chapter 10 Lesson 2 img 14
Explanation:
3 + 5 = 8
5 + 3 = 8

See and Show
You add to find a sum. Each number you add is called an addend. The answer is the sum.
McGraw Hill My Math Grade 2 Chapter 1 Lesson 1 Answer Key Addition Properties 32

Helpful Hint
You can add numbers in any order. The sum is the same. This is the Commutative Property.

Any number plus zero equals that number, This is the Identity Property.
McGraw Hill My Math Grade 2 Chapter 1 Lesson 1 Answer Key Addition Properties 33

Find each sum.

Question 1.
McGraw Hill My Math Grade 2 Chapter 1 Lesson 1 Answer Key Addition Properties 34
Answer:
4 + 3 = 7
3 + 4 = 7
McGraw-Hill My Math Grade 2 Answer Key Chapter 10 Lesson 2 img 15
Explanation:
You can add numbers in any order.
The sum is the same.
This is the Commutative Property.
The sum of 4 + 3 = 7
3 + 4 = 7

Question 2.
McGraw Hill My Math Grade 2 Chapter 1 Lesson 1 Answer Key Addition Properties 35
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 10 Lesson 2 img 15
Explanation:
You can add numbers in any order.
The sum is the same.
This is the Commutative Property.
The sum of 6 and 0 is 6
also 0 and 6 is 6

Question 3.
McGraw Hill My Math Grade 2 Chapter 1 Lesson 1 Answer Key Addition Properties 36
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 10 Lesson 2 img 16
Explanation:
You can add numbers in any order.
The sum is the same.
This is the Commutative Property.
The sum of 2 and 4 is 6

Question 4.
McGraw Hill My Math Grade 2 Chapter 1 Lesson 1 Answer Key Addition Properties 37
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 10 Lesson 2 img 17
Explanation:
You can add numbers in any order.
The sum is the same.
This is the Commutative Property.
The sum of 2 and 5 is 7
also 5 and 2 is 7

Talk Math
Why is the sum the same when you find 3 + 2 or 2 + 3?
3 + 2 = 5
2 + 3 = 5

On My Own

Find each sum.

Question 5.
McGraw Hill My Math Grade 2 Chapter 1 Lesson 1 Answer Key Addition Properties 38
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 10 Lesson 2 img 18
Explanation:
You can add numbers in any order.
The sum is the same.
This is the Commutative Property.
The sum of 5 and 1 is 6

Question 6.
McGraw Hill My Math Grade 2 Chapter 1 Lesson 1 Answer Key Addition Properties 39
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 10 Lesson 2 img 19
Explanation:
You can add numbers in any order.
The sum is the same.
This is the Commutative Property.
The sum of 4 and 5 is 9

Question 7.
McGraw Hill My Math Grade 2 Chapter 1 Lesson 1 Answer Key Addition Properties 40
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 10 Lesson 2 img 20
Explanation:
You can add numbers in any order.
The sum is the same.
This is the Commutative Property.
The sum of 0 and 3 is 3

Question 8.
McGraw Hill My Math Grade 2 Chapter 1 Lesson 1 Answer Key Addition Properties 41
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 10 Lesson 2 img 21
Explanation:
You can add numbers in any order.
The sum is the same.
This is the Commutative Property.
The sum of 6 and 3 is 9

Question 9.
McGraw Hill My Math Grade 2 Chapter 1 Lesson 1 Answer Key Addition Properties 42
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 10 Lesson 2 img 22
Explanation:
You can add numbers in any order.
The sum is the same.
This is the Commutative Property.
The sum of 7 and  1 is 8

Question 10.
6 + 2 = ____
____ = 2 + 6
Answer:
6 + 2 = 8
8 = 2 + 6
Explanation:
You can add numbers in any order.
The sum is the same.
This is the Commutative Property.

Question 11.
8 + 0 = ____
0 + 8 = ____
Answer:
8 + 0 = 8
0 + 8 = 8
Explanation:
You can add numbers in any order.
The sum is the same.
This is the Commutative Property.

Question 12.
____ = 4 + 2
2 + 4 = ____
Answer:
6 = 4 + 2
2 + 4 = 6
Explanation:
You can add numbers in any order.
The sum is the same.
This is the Commutative Property.

Question 13.
3 + 4 = ___
4 + 3 = ____
Answer:
3 + 4 = 7
4 + 3 = 7
Explanation:
You can add numbers in any order.
The sum is the same.
This is the Commutative Property.

Question 14.
0 + 9 = ___
9 + 0 = ____
Answer:
0 + 9 = 9
9 + 0 = 9
Explanation:
You can add numbers in any order.
The sum is the same.
This is the Commutative Property.

Problem Solving

Question 15.
What two addition facts could you use to find the total number of dots on this domino?
McGraw Hill My Math Grade 2 Chapter 1 Lesson 1 Answer Key Addition Properties 43
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 10 Lesson 2 img 23
Explanation:
3 + 7 = 10
7 + 3 = 10
You can add numbers in any order.
The sum is the same.
This is the Commutative Property.

Question 16.
Manuel’s team scores McGraw Hill My Math Grade 2 Chapter 1 Lesson 1 Answer Key Addition Properties 44 runs in the first game. They score McGraw Hill My Math Grade 2 Chapter 1 Lesson 1 Answer Key Addition Properties 45 runs in the second game. Show two ways you can find the total number of runs.
McGraw Hill My Math Grade 2 Chapter 1 Lesson 1 Answer Key Addition Properties 46
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 10 Lesson 2 img 24
Explanation:
6 + 3 = 9
3 + 6 = 9
You can add numbers in any order.
The sum is the same.
This is the Commutative Property.

Write Math Write what you know about the order of the addends in on addition problem.
_____________________________
_____________________________

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

Practice

Find each sum.

Question 1.
McGraw Hill My Math Grade 2 Chapter 1 Lesson 1 Answer Key Addition Properties 47
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 10 Lesson 2 img 25
Explanation:
You can add numbers in any order.
The sum is the same.
This is the Commutative Property.

Question 2.
McGraw Hill My Math Grade 2 Chapter 1 Lesson 1 Answer Key Addition Properties 48
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 10 Lesson 2 img 26
Explanation:
You can add numbers in any order.
The sum is the same.
This is the Commutative Property.
The sum of 4 and 1 is 5

Question 3.
McGraw Hill My Math Grade 2 Chapter 1 Lesson 1 Answer Key Addition Properties 49
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 10 Lesson 2 img 27
Explanation:
You can add numbers in any order.
The sum is the same.
This is the Commutative Property.
The sum of 9 and 0 is 9

Question 4.
McGraw Hill My Math Grade 2 Chapter 1 Lesson 1 Answer Key Addition Properties 50
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 10 Lesson 2 img 28
Explanation:
You can add numbers in any order.
The sum is the same.
This is the Commutative Property.
The sum of 3 and 4 is 7

Question 5.
1 + 7 = ____
7 + 1 = ___
Answer:
1 + 7 = 8
7 + 1 = 8
Explanation:
You can add numbers in any order.
The sum is the same.
This is the Commutative Property.
The sum of 1 and 7 is 8

Question 6.
____ = 0 + 3
____ = 3 + 0
Answer:
3 = 0 + 3
3  = 3 + 0
Explanation:
You can add numbers in any order.
The sum is the same.
This is the Commutative Property.
The sum of 3 and 0 is 3

Find each sum.

Question 7.
2 + 3 = ____
3 + 2 = ___
Answer:
2 + 3 = 5
3 + 2 = 5
Explanation:
You can add numbers in any order.
The sum is the same.
This is the Commutative Property.

Question 8.
5 + 3 = ___
3 + 5 = ___
Answer:
5 + 3 = 8
3 + 5 = 8
Explanation:
You can add numbers in any order.
The sum is the same.
This is the Commutative Property.

Question 9.
The zoo has 4 striped snakes. It has 2 yellow snakes. Write two ways you can find how many snakes the zoo
has in all.
McGraw Hill My Math Grade 2 Chapter 1 Lesson 1 Answer Key Addition Properties 51
____ + ____ = ____

____ + ____ = ____
Answer:
4 + 2 = 6
2 + 4 = 6
Explanation:
The zoo has 4 striped snakes.
It has 2 yellow snakes.
4 + 2 = 6
2 + 4 = 6

Question 10.
Kathy counts 4 baby goats and 5 baby sheep in the petting zoo. Write two ways you can find how many babies there are in all?
McGraw Hill My Math Grade 2 Chapter 1 Lesson 1 Answer Key Addition Properties 52
____ + ____ = ____

____ + ____ = ____
Answer:
4 + 5 = 9
5 + 4 = 9
Explanation:
Kathy counts 4 baby goats and
5 baby sheep in the petting zoo.
4 + 5 = 9
5 + 4 = 9

Vocabulary Check

Circle the number sentence that shows the vocabulary word.

Question 11.
McGraw Hill My Math Grade 2 Chapter 1 Lesson 1 Answer Key Addition Properties 53
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 10 Lesson 2 img 29
Explanation:
3 and 1 are called the addends

Math at Home Have your child solve the following problem: There are three kittens eating. Two more come over to eat. How many kittens are there in all?

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