3rd Grade Perimeter and Area

Front

What is the area of a rectangle?

Back

The area of a rectangle is the amount of space inside it, calculated by multiplying its length by its width.

Front

What is the formula to find the area of a rectangle?

Back

Area = Length × Width

Front

What is the perimeter of a shape?

Back

The perimeter is the total distance around the outside of a shape.

Front

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

Back

Perimeter = 2 × (Length + Width)

Front

How do you find the perimeter of a square?

Back

Perimeter = 4 × Side Length

Front

If a square has a side length of 5 feet, what is its perimeter?

Back

20 feet

Front

What do you do to find the perimeter of a polygon?

Back

Add the lengths of all the sides together.

Front

If a rectangle has a length of 8 cm and a width of 3 cm, what is its area?

Back

24 sq cm

Front

What is the difference between area and perimeter?

Back

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

Front

What units do we use to measure area?

Back

Square units, such as square centimeters (sq cm) or square feet (sq ft).