Addition Vocabulary

The numbers that you add in a number sentence.

• adders

• sum

• doubles

• addend

When you use a number line and move forward on the number line.

• count back

• count on

• sum

• add

When both addends are the same in a number sentence.

• addends

• sum

• count on

• doubles

The answer to an addition problem.

• difference

• sum

• addend

• double

When you join two parts together you

• sum

• count on

• add

• addend

When you take one part away from a whole you,

• difference

• count on

• subtract

• subtrahend

Addition and subtraction facts that use the same three numbers can be called a _____________ or ___________________.

• related facts

• fact family

• group problems

• subtrahends

To subtract you ___________________ on a number line.

• count on

• count back

• count forward

• count

You can ________________________ to add 2 to a number.

• add on

• count on

• skip count

• doubles

The answer to a subtraction problem is called

• difference

• sum

• addend

• subtrahend