Math Unit #4 Study Guide

Front

What is the perimeter of a rectangle?

Back

The perimeter is the distance around a shape, calculated by adding the lengths of all sides.

Front

If the perimeter of a rectangle is 30 cm and one side is 10 cm, what is the length of the other side?

Back

The other side is 5 cm.

Front

What is area in geometry?

Back

Area is the amount of space inside a shape.

Front

Calculate the area of a rectangle with a length of 4 cm and a width of 3 cm.

Back

The area is 12 cm².

Front

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

Back

Area = length × width.

Front

If a rectangle has a length of 8 cm and a width of 2 cm, what is its area?

Back

The area is 16 cm².

Front

What does it mean to find missing factors in multiplication?

Back

It means to determine the numbers that can be multiplied together to get a certain product.

Front

If 6 x 18 = (6 x ___) + (6 x ___), what are the missing factors?

Back

The missing factors are 9 and 9.

Front

What is the total area of a shape if it measures 4 cm by 3 cm?

Back

The total area is 12 cm².

Front

If the perimeter of a rectangle is 36 ft and one side is 13 ft, what is the width?

Back

The width is 5 ft.