All the solutions provided in **McGraw Hill Math Grade 2 Answer Key PDF Chapter 1 Lesson 3 Doubles and Near Doubles** will give you a clear idea of the concepts.

## McGraw-Hill My Math Grade 2 Answer Key Chapter 1 Lesson 3 Doubles and Near Doubles

**Explore and Explain**

**Teacher Directions**: Look at each cube train. Draw the same train beside it. Write the doubles fact shown by each pair of cube trains.

Explanation:

**See and Show**

Two addends that are the same are called doubles. Use doubles facts to find the sum.

Two addends that are almost a doubles fact are called near doubles. Use near doubles facts to find the sum.

**Add. Circle the doubles facts.**

Question 1.

4 + 4 = ____

Answer:

8

Explanation:

The sum of 4 and 4 is 8

Two addends that are the same are called doubles.

4 + 4 = 8

Question 2.

3 + 4 = _____

Answer:

7

Explanation:

Two addends that are almost a doubles fact are called near doubles.

The sum of 3 and 4 is 7

3 + 4 = 7

Question 3.

____ = 7 + 7

Answer:

14

Explanation:

The sum of 7 and 7 is 14

Two addends that are the same are called doubles.

7 + 7 = 14

Question 4.

____ = 9 + 9

Answer:

18

Explanation:

The sum of 9 and 9 is 18

Two addends that are the same are called doubles.

9 + 9 = 18

Question 5.

7 + 8 = ___

Answer:

15

Explanation:

Two addends that are almost a doubles fact are called near doubles.

The sum of 7 and 8 is 15

7 + 8 = 15

Question 6.

____ = 8 + 8

Answer:

16

Explanation:

The sum of 8 and 8 is 16

Two addends that are the same are called doubles.

8 + 8 = 15

**Talk Math** How can you use doubles and near doubles to remember 5 + 5? 5 + 6?

Two addends that are the same are called doubles.

Two addends that are almost a doubles fact are called near doubles.

**On My Own**

**Add. Circle the doubles facts.**

Question 7.

0 + 0 = ____

Answer:

0

Explanation:

The sum of 0 and 0 is 0

Two addends that are the same are called doubles.

0 + 0 = 0

Question 8.

7 + 6 = ____

Answer:

13

Explanation:

Two addends that are almost a doubles fact are called near doubles.

The sum of 7 and 6 is 13

7 + 6 = 13

Question 9.

2 + 8 = ____

Answer:

10

Explanation:

The sum of 2 and 8 is 10

2 + 8 = 10

Question 10.

8 + 9 = ___

Answer:

17

Explanation:

Two addends that are almost a doubles fact are called near doubles.

The sum of 8 and 9 is 17

8 + 9 = 17

Question 11.

3 + 2 = ___

Answer:

5

Explanation:

Two addends that are almost a doubles fact are called near doubles.

The sum of 3 and 2 is 5

3 + 2 = 5

Question 12.

2 + 9 = ____

Answer:

11

Explanation:

The sum of 2 and 9 is 11

2 + 9 = 11

Question 13.

Answer:

Explanation:

The sum of 2 and 2 is 4

2 + 2 = 4

Two addends that are the same are called doubles.

Question 14.

Answer:

Explanation:

The sum of 7 and 7 is 14

Two addends that are the same are called doubles.

7 + 7 = 14

Question 15.

Answer:

Explanation:

The sum of 1 and 1 is 2

Two addends that are the same are called doubles.

1 + 1 = 2

Question 16.

Answer:

Explanation:

The sum of 9 and 3 is 12

9 + 3 = 12

**Add. Circle the near doubles facts.**

Question 17.

Answer:

Explanation:

Two addends that are almost a doubles fact are called near doubles.

The sum of 4 and 3 is 7

4 + 3 = 7

Question 18.

Answer:

Explanation:

The sum of 2 and 4 is 6

2 + 4 = 6

Question 19.

Answer:

Explanation:

Two addends that are almost a doubles fact are called near doubles.

The sum of 7 and 8 is 15

7 + 8 = 15

Question 20.

Answer:

Explanation:

The sum of 3 and 8 is 11

3 + 8 = 11

Question 21.

Answer:

Explanation:

The sum of 2 and 7 is 9

2 + 7 = 9

Question 22.

Answer:

Explanation:

Two addends that are almost a doubles fact are called near doubles.

The sum of 9 and 8 is 17

9 + 8 = 17

Question 23.

Answer:

Explanation:

Two addends that are almost a doubles fact are called near doubles.

The sum of 3 and 5 is 8

3 + 5 = 8

Question 24.

Answer:

Explanation:

Two addends that are almost a doubles fact are called near doubles.

The sum of 4 and 5 is 9

4 + 5 = 9

**Problem Solving**

Question 25.

Mr. Bean sells 5 melons to Ed. He sells the same number of melons to Jose. How many melons did Mr. Bean sell in all?

___ melons

Answer:

10 melons

Explanation:

Mr. Bean sells 5 melons to Ed.

He sells the same number of melons to Jose.

5 + 5 = 10

10 melons that Mr. Bean sell in all.

Question 26.

Andrea has 3 dogs. Juanita has the same number of dogs. How many dogs do they have in all?

Answer:

6 dogs

Explanation:

Andrea has 3 dogs.

Juanita has the same number of dogs.

3 + 3 = 6

6 dogs that they have in all.

Question 27.

Anthony has 3 lizards. His cousin has one more lizard than he does. How many lizards do Anthony and his cousin have in all?

____ lizards

Answer:

7 lizards

Explanation:

Anthony has 3 lizards.

His cousin has one more lizard than he does.

3 + 4 = 7

7 lizards that Anthony and his cousin have in all.

**Write Math** How does knowing doubles facts help you with solving near doubles facts?

____________________________

____________________________

____________________________

By double facts we can add easily

and for double plus we for double we have to add 1

### McGraw Hill My Math Grade 2 Chapter 1 Lesson 3 My Homework Answer Key

**Practice**

**Add. Circle the doubles facts.**

Question 1.

5 + 7 = ___

Answer:

12

Explanation:

Two addends that are almost a doubles fact are called near doubles.

The sum of 5 and 7 is 12

5 + 7 = 12

Question 2.

2 + 3 = ____

Answer:

5

Explanation:

Two addends that are almost a doubles fact are called near doubles.

The sum of 2 and 3 is 5

2 + 3 = 5

Question 3.

5 + 5 = ____

Answer:

10

Explanation:

The sum of 5 and 5 is 10

Two addends that are the same are called doubles.

5 + 5 = 10

Question 4.

8 + 7 = ____

Answer:

15

Explanation:

Two addends that are almost a doubles fact are called near doubles.

The sum of 8 and 7 is 15

8 + 7 = 15

Question 5.

Answer:

Explanation:

Two addends that are almost a doubles fact are called near doubles.

The sum of 4 and 2 is 6

4 + 2 = 6

Question 6.

Answer:

Explanation:

The sum of 4 and 4 is 8

Two addends that are the same are called doubles.

4 + 4 = 8

Question 7.

Answer:

Explanation:

Two addends that are almost a doubles fact are called near doubles.

The sum of 6 and 7 is 13

6 + 7 = 13

Question 8.

Answer:

Explanation:

The sum of 8 and 8 is 16

Two addends that are the same are called doubles.

8 + 8 = 16

**Add. Circle the near doubles facts.**

Question 9.

2 + 9 = ____

Answer:

11

Explanation:

The sum of 2 and 9 is 11

2 + 9 = 11

Question 10.

12 + 3 = ___

Answer:

15

Explanation:

The sum of 12 and 3 is 15

12 + 3 = 15

Question 11.

4 + 5 = ___

Answer:

9

Explanation:

The sum of 4 and 5 is 9

4 + 5 = 9

Question 12.

8 + 8 = ___

Answer:

16

Explanation:

The sum of 8 and 8 is 16

Two addends that are the same are called doubles.

8 + 8 = 16

Question 13.

9 + 8 = ___

Answer:

17

Explanation:

Two addends that are almost a doubles fact are called near doubles.

The sum of 9 and 8 is 17

9 + 8 = 17

Question 14.

7 + 6 = ____

Answer:

13

Explanation:

Two addends that are almost a doubles fact are called near doubles.

The sum of 7 and 6 is 13

7 + 6 = 13

**Solve. Then write the doubles fact that helped you solve the problem.**

Question 15.

4 frogs are sitting beside a pond. 5 dragon flies land beside them. How many animals are there altogether?

____ + ____ = ___ animals

____ + ____ = ____

Answer:

9 animals.

Explanation:

4 frogs are sitting beside a pond.

5 dragon flies land beside them.

4 + 5 = 9

9 animals are there altogether.

**Vocabulary Check**

**Draw lines to match.**

Explanation:

Two addends that are almost a doubles fact are called near doubles.

Two addends that are the same are called doubles.

**Math at Home** Have your child use objects to make doubles and tell the addition fact.