Division/Area/Perimeter

Front

What is division?

Back

Division is the process of splitting a number into equal parts. It is the opposite of multiplication.

Front

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

Back

Area = Length × Width.

Front

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

Back

Perimeter = 2 × (Length + Width).

Front

If you have 8.32 pounds of jelly beans and put them into 8 jars, how do you find out how many pounds go in each jar?

Back

Divide the total weight by the number of jars: 8.32 ÷ 8 = 1.04 pounds per jar.

Front

How many square feet of tile do you need for a bathroom that is 10 feet long and 9 feet wide?

Back

Area = Length × Width = 10 × 9 = 90 square feet.

Front

If 9 cheeseburger meals cost $35.01, how do you find the cost of each meal?

Back

Divide the total cost by the number of meals: $35.01 ÷ 9 = $3.89 per meal.

Front

What is the area of a rectangle with a length of 5 cm and a width of 3 cm?

Back

Area = Length × Width = 5 × 3 = 15 sq cm.

Front

What is the perimeter of a rectangle with a length of 10 feet and a width of 4 feet?

Back

Perimeter = 2 × (Length + Width) = 2 × (10 + 4) = 28 feet.

Front

What does it mean to find the average?

Back

To find the average, add all the numbers together and then divide by the number of values.

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together. It is often expressed as a quantity per 1 unit.