Third Grade Math Review

Front

What is the formula to calculate the perimeter of a rectangle?

Back

Perimeter = 2 × (Length + Width)

Front

If a yard is 40 feet long and 5 feet less wide, what is the width?

Back

Width = 40 feet - 5 feet = 35 feet

Front

How do you find the area of a rectangle?

Back

Area = Length × Width

Front

If 24 cookies are shared among 4 people, how many cookies does each person get?

Back

Each person gets 6 cookies.

Front

What is the area of a rectangle with a length of 12 and a width of 6?

Back

Area = 12 × 6 = 72

Front

What is the total number of milliliters in 1 liter?

Back

1 liter = 1000 milliliters

Front

How do you convert milliliters to liters?

Back

Divide the number of milliliters by 1000.

Front

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

Back

Area = Side × Side

Front

If a shape has an area of 48 square units and a length of 8 units, what is the width?

Back

Width = Area ÷ Length = 48 ÷ 8 = 6 units

Front

What is the perimeter of a square with a side length of 5?

Back

Perimeter = 4 × Side = 4 × 5 = 20