Math Vocabulary
Making 10
Doubles/Near Doubles
Word Problems
100

What is a doubles fact?

Two numbers that are the same are added.

100

6 + ______ = 10

4

100

4+0=________

4

Zero added to any number is the same as the original number

100

8 + _____= 16

8

100

Tim picked 8 apples. Kate picked 2 more. How many apples are there in all?

Flip flop the addition sentence and tell us the turn-around fact.

8 +2= 10

2 + 8 = 10

200

Give an example of a doubles fact.

1+1=2

2+2=4

3+3=6

4+4=8

5+5=10

6+6=12

7+7=14

8+8=16

9+9=18

10+10=20

200

Pete has 5 red apples. He also has 3 bananas and 2 pears. How many pieces of fruit does Pete have in all?

3 + 2 = 5

5+ 5 = 10

10 is the sum

200

10 + 1 = ___________

11

200

_____+ 5 = 10

7 + _____ = 15

5

8

200

Jose has 8 stars. Monica has the same amount of stars. How many stars do they have in all?

8 +8=16

300

3+4=7

Explain part, part, whole using the example.

3 and 4 are the two parts (groups).

7 is the whole. The two parts together make a whole.

300

There are 9 frogs in a pond. 1 more frog join them. How many frogs are there in all?

1 + 9 = 10

300

There are 2 red buttons and 9 blue buttons. How many buttons are there in all?

2 + 9 = 11

300

7 +_______=14

8 + ______ = 17

7

9

300

Emily has 4 cats. Troy does not have any cats. How many cats do Emily and Troy have in all?

4 + 0 = 4

400
3 + 8 = 11

What are the addends in this problem? What is the sum? Explain.

3 and 8 are the addends because they are the two numbers being added.

The sum is 11 because it is the answer.

400

4 + ________ = 10

2 + ________ = 10

6

8

400

______ + 8 = 8

0

400

Jeff bought 6 apples. Jim bought the same number of apples. How many apples did they buy in all?

6 + 6 =12

400

Ray has 8 green marbles and 4 blue marbles.  How many marble does Ray have in all?

8 + 4 = 12

500

6 + 7 = 13

What type of fact is this and explain how you know.

6 + 6 = 12

What type of fact is this and explain how you know.

This is a near doubles fact. These facts are all doubles plus 1 and they are near to a double fact.

This is a doubles fact because the two numbers that are being added are the same.

500

Rita has 8 marbles. She finds 2 more marbles. How many marbles does Rita have in all?

8 + 2 = 10
500

Julia has 11 dolls. Then she made 2 more dolls. How many dolls does Julia have in all?

11 + 2 = 13

500

Is 8 +9 = 17 a doubles fact? Explain. if not, what type of fact is it?

No. 8 and 9 are not the same number. In a doubles fact, both numbers being added are the same. This is a near doubles fact.

500

David has 8 chocolate bars. Daniel has the double of what David has. How many chocolate bars does Daniel have?

8+8=16

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