Grade 3 FAST Math Review

Front

What is the area of a rectangle?

Back

The area of a rectangle is found by multiplying its length by its width. For example, if a rectangle is 5 inches long and 4 inches wide, its area is 20 square inches.

Front

How do you find the perimeter of a square?

Back

To find the perimeter of a square, multiply the length of one side by 4. For example, if one side is 8 cm, the perimeter is 8 cm x 4 = 32 cm.

Front

What is a multiple?

Back

A multiple of a number is the result of multiplying that number by an integer. For example, multiples of 4 include 4, 8, 12, 16, etc.

Front

What is the expanded form of a number?

Back

The expanded form of a number shows the value of each digit. For example, the expanded form of 5,620 is 5,000 + 600 + 20.

Front

How do you calculate the area of a shape using squares?

Back

Count the number of square units that fit inside the shape. Each square represents 1 square unit. For example, if there are 12 squares, the area is 12 square units.

Front

What is a square foot?

Back

A square foot is a unit of area that is equal to a square that is 1 foot long on each side.

Front

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

Back

Area = Length x Width. For example, if a rectangle is 3 feet long and 4 feet wide, the area is 3 x 4 = 12 square feet.

Front

What does it mean to divide a shape into rectangles?

Back

Dividing a shape into rectangles means breaking it down into smaller rectangular sections to make it easier to calculate area.

Front

What is the difference between area and perimeter?

Back

Area measures the space inside a shape, while perimeter measures the distance around a shape.

Front

How do you identify multiples of a number?

Back

To identify multiples of a number, list the results of that number multiplied by whole numbers (0, 1, 2, 3, etc.).