Area Study Guide

Front

What is area?

Back

Area is the amount of space inside a shape, measured in square units.

Front

How do you calculate the area of a rectangle?

Back

Area = length x width.

Front

What is the area of a rectangle with a length of 5 units and a width of 4 units?

Back

20 square units.

Front

What does it mean for two expressions to be equivalent?

Back

Two expressions are equivalent if they have the same value.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac.

Front

Calculate the area of a rectangle with a length of 8 units and a width of 3 units.

Back

24 square units.

Front

If a rectangle has an area of 30 square units and a width of 5 units, what is the length?

Back

6 units.

Front

What is the value of (2 x 3) + (4 x 3)?

Back

18, because (2 x 3) + (4 x 3) = 6 x 3.

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 x base x height.

Front

What is the area of a triangle with a base of 10 units and a height of 5 units?

Back

25 square units.