Area of rectangles

Front

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

Back

The area of a rectangle is calculated using the formula: Area = length × width.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

If a rectangle has a length of 5 cm and a width of 3 cm, what is its area?

Back

The area is 15 square centimeters (5 cm × 3 cm = 15 sq cm).

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What units are used to measure area?

Back

Area is typically measured in square units, such as square centimeters (sq cm), square inches (sq in), or square meters (sq m).

Tags

CCSS.3.MD.C.5A

Front

How do you find the area of a rectangle when given the side lengths?

Back

Multiply the length by the width to find the area.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the area of a rectangle with a length of 10 inches and a width of 4 inches?

Back

The area is 40 square inches (10 in × 4 in = 40 sq in).

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

If the area of a rectangle is 24 square feet and the width is 6 feet, what is the length?

Back

The length is 4 feet (Area = length × width; 24 sq ft = length × 6 ft; length = 24 sq ft / 6 ft = 4 ft).

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the relationship between the area of a rectangle and its dimensions?

Back

The area of a rectangle is directly proportional to both its length and width; increasing either dimension increases the area.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

How can you verify the area of a rectangle using a grid?

Back

You can count the number of square units within the rectangle on a grid to verify the calculated area.

Tags

CCSS.3.MD.C.5A

Front

What is the area of a rectangle with a length of 8 cm and a width of 2 cm?

Back

The area is 16 square centimeters (8 cm × 2 cm = 16 sq cm).

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

If a rectangular garden has an area of 50 square meters and a length of 10 meters, what is the width?

Back

The width is 5 meters (Area = length × width; 50 sq m = 10 m × width; width = 50 sq m / 10 m = 5 m).

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3