4th Grade Area & Perimeter

Front

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

Back

Area = length × width.

Front

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

Back

Perimeter = 2 × (length + width).

Front

If a square has a side length of 5 meters, what is its area?

Back

Area = 5 m × 5 m = 25 square meters.

Front

If a square has an area of 36 square meters, what is the length of one side?

Back

Side length = √36 = 6 meters.

Front

What is the perimeter of a square with a side length of 4 meters?

Back

Perimeter = 4 × 4 m = 16 meters.

Front

How do you find the area of a triangle?

Back

Area = 1/2 × base × height.

Front

What is the area of a rectangle that is 10 inches long and 3 inches wide?

Back

Area = 10 in × 3 in = 30 square inches.

Front

What is the perimeter of a rectangle that is 8 feet long and 5 feet wide?

Back

Perimeter = 2 × (8 ft + 5 ft) = 26 feet.

Front

What units do we use to measure area?

Back

Square units (e.g., square meters, square feet).

Front

What is the perimeter of a square with a side length of 7 cm?

Back

Perimeter = 4 × 7 cm = 28 cm.