Area of Rectangles

Front

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

Back

Area = length × width

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

If a rectangle has a length of 8 cm and a width of 5 cm, what is its area?

Back

40 cm²

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What unit is used to measure area?

Back

Square units (e.g., cm², m², ft²)

Tags

CCSS.3.MD.C.6

Front

How do you find the area of a rectangle with a length of 10 inches and a width of 9 inches?

Back

Area = 10 in × 9 in = 90 in²

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the area of a rectangle with a length of 7 m and a width of 3 m?

Back

21 m²

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

If the area of a rectangle is 36 cm² and the width is 4 cm, what is the length?

Back

Length = Area ÷ Width = 36 cm² ÷ 4 cm = 9 cm

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What does it mean if a rectangle has an area of 0?

Back

It means that either the length or width (or both) is 0.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

If a rectangle's area is 50 m² and its length is 10 m, what is the width?

Back

Width = Area ÷ Length = 50 m² ÷ 10 m = 5 m

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the area of a rectangle with a length of 12 ft and a width of 4 ft?

Back

48 ft²

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

How can you double the area of a rectangle?

Back

You can double either the length or the width.