Area and Perimeter

Front

What is area?

Back

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

Front

What is perimeter?

Back

Perimeter is the distance around a shape, calculated by adding the lengths of all its sides.

Front

How can two rectangles have the same perimeter but different areas?

Back

Two rectangles can have the same perimeter if their side lengths are different, but their areas can differ based on the length and width.

Tags

CCSS.3.MD.D.8

Front

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

Back

Area = length × width.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

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

Back

Perimeter = 2 × (length + width).

Tags

CCSS.3.MD.D.8

Front

If a rectangle has a perimeter of 20 units and a length of 6 units, what is its width?

Back

Width = (Perimeter/2) - length = (20/2) - 6 = 4 units.

Tags

CCSS.4.MD.A.3

Front

Can two shapes have the same area but different perimeters?

Back

Yes, two shapes can have the same area but different perimeters, like a square and a rectangle.

Tags

CCSS.3.MD.D.8

Front

What does it mean if two rectangles have different areas and different perimeters?

Back

It means that both the space inside the rectangles and the distance around them are not the same.

Tags

CCSS.3.MD.D.8

Front

If Rectangle A has an area of 12 square units and Rectangle B has an area of 12 square units, what can we say about their perimeters?

Back

We cannot determine their perimeters; they could be the same or different.

Tags

CCSS.3.MD.D.8

Front

What is a square?

Back

A square is a special type of rectangle where all four sides are equal in length.

Tags

CCSS.5.G.B.4