Vocab. Check Point (Ch. 1-5)

Front

Angle > 0º and < 90º

Back

acute angle

Front

Angle measuring 90º.

Back

Right Angle

Front

Operation for total objects in combined sets.

Back

Addition

Front

Space needed to fill an area.

Back

Area

Front

Distance around an object.

Back

Perimeter

Front

Distance from zero is ...

Back

the absolute value

Front

Additive Identity number?

Back

0

Front

Multiplicative Identity number?

Back

1

Front

Property of addition allowing different groupings without changing the sum.

Back

The Associative Property

Front

Property of multiplication allowing different groupings without changing the product.

Back

The Associative Property