Doubles and near doubles

Front

9 + 9 = ?

Back

18

Front

8 + 8 = ?

Back

16

Front

2 + 2 = ?

Back

4

Front

5 + 5 = ?

Back

10

Front

3 + 3 = ?

Back

6

Front

What is a double?

Back

A double is when you add a number to itself, like 4 + 4.

Front

What is a near double?

Back

A near double is when you add a number to a number that is one more or one less than it, like 4 + 5.

Front

What is 4 + 4?

Back

8

Front

What is 6 + 6?

Back

12

Front

What is 7 + 7?

Back

14