My Math 4th Grade Area and Perimeter flashcard

Front

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

Back

Area = length × width

Front

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

Back

Perimeter = 2 × (length + width)

Front

If Jaxon rides 2 1/2 miles on Friday, how far does he ride on Sunday?

Back

He rides 5 miles on Sunday (2 1/2 miles × 2).

Front

What is the total distance Jaxon rides on Friday and Sunday?

Back

7 1/2 miles (2 1/2 miles + 5 miles).

Front

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

Back

36 yards (Perimeter = 2 × (12 + 6)).

Front

What is the area of a rectangle with a length of 4 units and a width of 5 units?

Back

20 square units (Area = 4 × 5).

Front

What is the area of a square with a side length of 4 units?

Back

16 square units (Area = side × side).

Front

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

Back

16 yards (Perimeter = 4 × side).

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

If a rectangle has an area of 24 square units and a width of 4 units, what is the length?

Back

6 units (Length = Area ÷ Width).