Adding Doubles

Front

8 + 8

Back

16

Front

6 + 6

Back

12

Front

10 + 10

Back

20

Front

9 + 9

Back

18

Front

7 + 7

Back

14

Front

What is adding doubles?

Back

Adding doubles means adding the same number to itself, like 4 + 4.

Front

What is the result of 5 + 5?

Back

10

Front

What is the result of 3 + 3?

Back

6

Front

What is the result of 2 + 2?

Back

4

Front

What is the result of 1 + 1?

Back

2