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Addition Vocab
Doubles
Doubles Plus One
Friends of 10
adding 3 numbers
100

What is the name of the sign we use to add?

plus sign

100

4 + 4 = 

8
100

4 +3 =

7

100
2 + ____ = 10

8

100

2 + 2 + 3 = 

7

200

What is the name of this sign = ?

equal sign

200

6 +6 = 

12

200

5 + 4 =

9

200

1 + _____ = 10

9

200

4 + 2 + 4 = 

10

300

8 + 2 = 10. What are the numbers 8 and 2 called?

addends
300

7 + 7 = 

14

300

6 + 7 =

13

300

7 + _____ = 10

3

300
7 + 3 + 5 = 

15

400

What is the answer to an addition problem called?

The sum

400

9 + 9 =

18

400

9 + 8 =

17

400

6 + _____ = 10

4

400

8 + 4 + 6 = 

18

500

Do we count on or count back when we add?

Count on

500

11 + 11 = 

22

500
11 + 12 = 

23

500

0 + ______ = 10

10

500

9 + 2 + 9 = 

20