DOUBLES & NEAR DOUBLES

Front

What is a double in addition?

Back

A double in addition means adding the same number to itself, like 4 + 4.

Front

What is near double in addition?

Back

A near double is when you add a number that is one more or one less than a double, like 4 + 5 (which is near double of 4 + 4).

Front

What is 8 + 8?

Back

16

Front

If 8 + 8 = 16, what is 8 + 9?

Back

17

Front

What is 5 + 5?

Back

10

Front

If 5 + ... = 10, what number goes in the blank?

Back

5

Front

What is 4 + 4?

Back

8

Front

If 4 + 4 = 8, what is 4 + 5?

Back

9 (which is near double of 4 + 4).

Front

What is 3 + 3?

Back

6

Front

If 3 + 3 = 6, what is 3 + 4?

Back

7 (which is near double of 3 + 3).