Addition Basic Facts

Front

5 + 4 = ?

Back

9

Front

7 + 6 = ?

Back

13

Front

8 + 1 = ?

Back

9

Front

5 + ? = 12
What is the missing addend?

Back

7

Front

5 + 7 = ?

Back

12

Front

What is addition?

Back

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

Front

What is a sum?

Back

The sum is the result of adding two or more numbers together.

Front

What is an addend?

Back

An addend is a number that is added to another number.

Front

What is the commutative property of addition?

Back

The commutative property states that changing the order of the addends does not change the sum. (e.g., 3 + 4 = 4 + 3)

Front

What is the identity property of addition?

Back

The identity property states that when you add 0 to any number, the sum is that number. (e.g., 5 + 0 = 5)