Area 3rd grade

Front

What is the area?

Back

The area is the amount of space inside a shape, measured in square units.

Front

What is a square unit?

Back

A square unit is a unit of measurement for area, representing a square that is 1 unit long on each side.

Front

How do you find the area of a rectangle?

Back

To find the area of a rectangle, multiply its length by its width.

Front

What is the area of a rectangle that is 4 units long and 5 units wide?

Back

20 square units.

Front

What is the area of a rectangle that is 10 units long and 2 units wide?

Back

20 square units.

Front

If a shape has an area of 18 square units, what could be its dimensions?

Back

Possible dimensions could be 2 x 9, 3 x 6, or 1.5 x 12.

Front

What does it mean if two shapes have the same area?

Back

It means they cover the same amount of space, even if their shapes are different.

Front

What is a multiplication expression for an area of 14 square units?

Back

2 x 7 is one possible multiplication expression.

Front

What is the area of a shaded portion that measures 30 square units?

Back

The shaded portion covers 30 square units of space.

Front

What is perimeter?

Back

Perimeter is the total distance around the outside of a shape.