Addition and Subtraction to 20

Front

What is a doubles fact in addition?

Back

A doubles fact is when you add a number to itself, like 6 + 6 = 12.

Front

What is the result of 6 + 5?

Back

11

Front

If 2 + 5 = 7, what is 5 + ___ = 7?

Back

2

Front

What does the commutative property of addition state?

Back

You can add numbers in any order, and the sum will be the same.

Front

What is the missing number in ___ + 4 = 4 + 6?

Back

6

Front

If 9 + ___ = 3 + 9, what is the missing number?

Back

3

Front

What is the sum of 7 + 2?

Back

9

Front

What is the sum of 10 + 5?

Back

15

Front

What is the result of 8 - 3?

Back

5

Front

If you have 5 apples and you eat 2, how many do you have left?

Back

3 apples.