Area and Perimeter Flashcard 3rd Grade

Front

What is the perimeter of a rectangle?

Back

The perimeter of a rectangle is the total distance around it, calculated by adding the lengths of all four sides.

Front

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

Back

Perimeter = 2(length + width)

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 calculate the area of a rectangle?

Back

Area = length × width

Front

What is the perimeter of a square?

Back

The perimeter of a square is the total distance around it, calculated by adding the lengths of all four equal sides.

Front

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

Back

Perimeter = 4 × side length

Front

What is the area of a square?

Back

The area of a square is the amount of space inside it, calculated by squaring the length of one of its sides.

Front

What is the formula to calculate the area of a square?

Back

Area = side length × side length (or side length²)

Front

What does 'perimeter' mean?

Back

Perimeter is the distance around a two-dimensional shape.

Front

What does 'area' mean?

Back

Area is the amount of space inside a two-dimensional shape.