McGraw Hill My Math Grade 2 Chapter 1 Lesson 5 Answer Key Add Three Numbers

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All the solutions provided in McGraw Hill Math Grade 2 Answer Key PDF Chapter 1 Lesson 5 Add Three Numbers will give you a clear idea of the concepts.

McGraw-Hill My Math Grade 2 Answer Key Chapter 1 Lesson 5 Add Three Numbers

Explore and Explain

McGraw Hill My Math Grade 2 Chapter 1 Lesson 5 Answer Key Add Three Numbers 31

Teacher Directions: Have students use counters to show the following: There are 4 fish, 6 frogs, and 2 snakes in the pond. Trace the counters and write how many in all.
Explanation:
McGraw-Hill My Math Grade 2 Answer Key Chapter 1 Lesson 7 img 13

See and Show

You can group addends in different ways. The sum will stay the same.
McGraw Hill My Math Grade 2 Chapter 1 Lesson 5 Answer Key Add Three Numbers 32

Helpful Hint
Look for facts you know.

Find each sum. Circle the numbers you add first. Write that sum in the box.

Question 1.
2 + 4 + 2 = _____
McGraw Hill My Math Grade 2 Chapter 1 Lesson 5 Answer Key Add Three Numbers 33
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 1 Lesson 7 img 10
Explanation:
If we add the addends in different ways also the sum will be the same.
2 + 4 = 6
6 + 2 = 8

Question 2.
9 + 1 + 2 = _____
McGraw Hill My Math Grade 2 Chapter 1 Lesson 5 Answer Key Add Three Numbers 33
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 1 Lesson 7 img 10
Explanation:
If we add the addends in different ways also the sum will be the same.
9 + 1 = 10
10 + 2 = 12

Question 3.
7 + 4 + 7 = _____
McGraw Hill My Math Grade 2 Chapter 1 Lesson 5 Answer Key Add Three Numbers 33
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 1 Lesson 7 img 10
Explanation:
If we add the addends in different ways also the sum will be the same.
7 + 7 = 14
14 + 4 = 18

Question 4.
2 + 7 + 8 = _____
McGraw Hill My Math Grade 2 Chapter 1 Lesson 5 Answer Key Add Three Numbers 33
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 1 Lesson 7 img 10
Explanation:
If we add the addends in different ways also the sum will be the same.
7 + 2 = 9
9 + 8 = 17

Question 5.
3 + 7 + 4 = _____
McGraw Hill My Math Grade 2 Chapter 1 Lesson 5 Answer Key Add Three Numbers 33
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 1 Lesson 7 img 10
Explanation:
If we add the addends in different ways also the sum will be the same.
7 + 3 = 10
10 + 4 = 14

Question 6.
5 + 3 + 5 = _____
McGraw Hill My Math Grade 2 Chapter 1 Lesson 5 Answer Key Add Three Numbers 33
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 1 Lesson 7 img 10
Explanation:
If we add the addends in different ways also the sum will be the same.
5 + 5 = 10
10 + 3 = 13

Talk Math How do you decide which two numbers to add first when adding three digits?
First we try to make 10
or add the doubles.

Helpful Hint
Add two numbers first. Look for facts you know.

On My Own

Find each sum. Circle the numbers you add first. Write that sum in the box.

Question 7.
4 + 3 + 4 = _____
McGraw Hill My Math Grade 2 Chapter 1 Lesson 5 Answer Key Add Three Numbers 33
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 1 Lesson 7 img 10
Explanation:
If we add the addends in different ways also the sum will be the same.
4 + 4 = 8
8 + 3 = 11

Question 8.
4 + 3 + 7 = _____
McGraw Hill My Math Grade 2 Chapter 1 Lesson 5 Answer Key Add Three Numbers 33
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 1 Lesson 7 img 10
Explanation:
If we add the addends in different ways also the sum will be the same.
7 + 3 = 10
10 + 4 = 14

Question 9.
2 + 8 + 3 = _____
McGraw Hill My Math Grade 2 Chapter 1 Lesson 5 Answer Key Add Three Numbers 33
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 1 Lesson 7 img 10
Explanation:
If we add the addends in different ways also the sum will be the same.
8 + 2 = 10
10 + 3 = 13

Question 10.
6 + 1 + 6 = ____
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 1 Lesson 7 img 10
Explanation:
If we add the addends in different ways also the sum will be the same.
6 + 6 = 12
12 + 1 = 13

Find each sum.

Question 11.
5 + 5 + 5 = ____
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 1 Lesson 7 img 10
Explanation:
If we add the addends in different ways also the sum will be the same.
5 + 5 = 10
10 + 5 = 15

Question 12.
6 + 6 + 3 = ____
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 1 Lesson 7 img 10
Explanation:
If we add the addends in different ways also the sum will be the same.
6 + 6 = 12
12 + 3 = 15

Question 13.
7 + 4 + 7 = ___
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 1 Lesson 7 img 10
Explanation:
If we add the addends in different ways also the sum will be the same.
7 + 7 = 14
14 + 4 = 18

Question 14.
9 + 8 + 1 = ____
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 1 Lesson 7 img 10
Explanation:
If we add the addends in different ways also the sum will be the same.
9 + 1 = 10
10 + 8 = 18

Question 15.
1 + 7 + 3 = ____
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 1 Lesson 7 img 10
Explanation:
If we add the addends in different ways also the sum will be the same.
7 + 3 = 10
10 + 1 = 11

Question 16.
5 + 7 + 5 = ____
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 1 Lesson 7 img 10
Explanation:
If we add the addends in different ways also the sum will be the same.
5 + 5 = 10
10 + 7 = 7

Question 17.
McGraw Hill My Math Grade 2 Chapter 1 Lesson 5 Answer Key Add Three Numbers 34
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 1 Lesson 7 img 11
Explanation:
If we add the addends in different ways also the sum will be the same.
7 + 3 = 10
10 + 5 = 15

Question 18.
McGraw Hill My Math Grade 2 Chapter 1 Lesson 5 Answer Key Add Three Numbers 35
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 1 Lesson 7 img 11
Explanation:
If we add the addends in different ways also the sum will be the same.
7 + 7 = 14
14+ 1 = 15

Question 19.
McGraw Hill My Math Grade 2 Chapter 1 Lesson 5 Answer Key Add Three Numbers 36
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 1 Lesson 7 img 12
Explanation:
If we add the addends in different ways also the sum will be the same.
9 + 1 = 10
10 + 8 = 18

Problem Solving

Question 20.
The zoo has 5 black bears, 5 brown bears and 2 polar bears. How many bears are at the zoo?
McGraw Hill My Math Grade 2 Chapter 1 Lesson 5 Answer Key Add Three Numbers 37
____ bears
Answer:
12 bears
Explanation:
The zoo has 5 black bears,
5 brown bears and 2 polar bears.
5 + 5 = 10
10 + 2 = 12
12 bears are at the zoo.

Question 21.
Lisa saw 4 sheep and 4 goats at the petting zoo. She also saw 3 piglets. How many animals did Lisa see at the petting zoo?
____ animals
Write the doubles fact that helped you solve the problem.
____ + ____ = _____
Answer:
4 + 4 = 8
Explanation:
Lisa saw 4 sheep and 4 goats at the petting zoo.
4 + 4 = 8
She also saw 3 piglets.
8 + 3 = 11
11 animals that Lisa see at the petting zoo.

Write Math Explain how you can group addends in any way to help you solve addition problems that have more than 2 addends.

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