Understanding the Area of a Rectangle

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

• length + width

• length x width

• length - width

• length / width

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

If a rectangle has a length of 10 cm and a width of 8 cm, what is its area?

• A) 18 cm²

• B) 80 cm²

• C) 28 cm²

• D) 100 cm²

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the unit for area when the dimensions are in centimeters?

• cm

• cm²

• cm³

• cm⁴

Tags

CCSS.3.MD.C.6

Find the area of a rectangle with a length of 9 m and a width of 3 m.

• 27 m²

• 12 m²

• 18 m²

• 36 m²

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Find the area of a rectangle with a length of 10 ft and a width of 3 ft.

• 30 ft²

• 13 ft²

• 20 ft²

• 40 ft²

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Find the area of a rectangle with a length of 4 km and a width of 2 km.

• 8 km²

• 6 km²

• 10 km²

• 12 km²

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Find the area of a rectangle with a length of 12 in. and a width of 6 in.

• 72 in²

• 18 in²

• 60 in²

• 80 in²

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Find the area of a rectangle with a length of 7 mm and a width of 6 mm.

• 42 mm²

• 13 mm²

• 30 mm²

• 50 mm²

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Find the area of a rectangle with a length of 8 mi and a width of 5 mi.

• 40 mi²

• 13 mi²

• 30 mi²

• 50 mi²

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the area of a polygon with all corners 90° and dimensions 12 m by 3 m and 11 m by 3 m?

• 69 m²

• 66 m²

• 72 m²

• 75 m²

Tags

CCSS.6.G.A.1