Addition and Subtraction

Front

What is addition?

Back

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

Front

What is subtraction?

Back

Subtraction is the process of taking one number away from another.

Front

What is the sum of 6 + 6?

Back

12

Front

What is the related subtraction fact for 6 + 6 = 12?

Back

12 - 6 = 6

Front

Use the number line to add: 9 + 3 = ?

Back

12

Front

What doubles fact do the cubes model if they show 6 cubes on each side?

Back

6 + 6 = 12

Front

Find the missing addend: 5 + ? = 10

Back

5

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.

Front

If you switch the addends in 5 + 1, what do you get?

Back

6

Front

What is the result of 12 - 6?

Back

6