Vocab Flashcard 5 23-24

Front

Fact family

Back

A group of related facts using the same numbers.

Front

Unknown concept related to numbers.

Back

A missing number or the number you are solving for.

Front

Inverse operations

Back

Operations that undo each other, like addition and subtraction.

Front

Sum

Back

The answer to an addition problem.

Front

Difference

Back

The answer to a subtraction problem.

Front

A line showing numbers in order using a scale.

Back

number line

Front

A straight line with equally spaced numbers.

Back

number line

Front

Product of a number with whole numbers; skip counting

Back

multiple

Front

Exactly the same value or amount

Back

Equal

Front

Representation to solve number sentences

Back

strip diagram