Everyday Math Unit 4

Front

What is area?

Back

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

Front

What is perimeter?

Back

Perimeter is the distance around a shape, calculated by adding the lengths of all its sides.

Front

How do you calculate the area of a rectangle?

Back

Area = length x width.

Front

How do you calculate the perimeter of a rectangle?

Back

Perimeter = 2 x (length + width).

Front

What is a square?

Back

A square is a shape with four equal sides and four right angles.

Front

Are all squares rectangles?

Back

Yes, all squares are rectangles because they have four right angles.

Front

What is a unit in measurement?

Back

A unit is a standard quantity used to measure something, like inches, centimeters, or meters.

Front

If a rectangle has a length of 7 cm and a width of 3 cm, what is its area?

Back

Area = 7 cm x 3 cm = 21 sq. cm.

Front

If a rectangle has a length of 5 units and a width of 4 units, what is its perimeter?

Back

Perimeter = 2 x (5 + 4) = 18 units.

Front

What is the formula for finding the area of a square?

Back

Area = side x side.