Addition Facts

Front

9 + 9 = ?

Back

18

Front

10 + 10 = ?

Back

20

Front

5 + 1 = ?

Back

6

Front

1 + 1 = ?

Back

2

Front

2 + 6 = ?

Back

8

Front

What is addition?

Back

Addition is the process of finding the total or sum by combining two or more numbers.

Front

What is the sum of 3 and 4?

Back

7

Front

What is the sum of 0 and any number?

Back

The sum is the same number (e.g., 0 + 5 = 5).

Front

What is the commutative property of addition?

Back

The commutative property states that changing the order of the numbers does not change the sum (e.g., 2 + 3 = 3 + 2).

Front

What is the identity property of addition?

Back

The identity property states that adding zero to a number does not change the number (e.g., 5 + 0 = 5).