Area (regular & irregular shapes)

Front

What is the formula for calculating 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 feet and a width of 5 feet, what is its area?

Back

40 square feet

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

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

Back

Area = side × side

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

If a square has a side length of 3 cm, what is its area?

Back

9 square cm

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

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

Back

Area = 1/2 × base × height

Tags

CCSS.6.G.A.1

Front

If a triangle has a base of 6 cm and a height of 4 cm, what is its area?

Back

12 square cm

Tags

CCSS.6.G.A.1

Front

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

Back

Area = π × radius²

Tags

CCSS.7.G.B.4

Front

If a circle has a radius of 5 inches, what is its area?

Back

78.54 square inches (using π ≈ 3.14)

Tags

CCSS.7.G.B.4

Front

What is the difference between regular and irregular shapes in terms of area calculation?

Back

Regular shapes have a consistent formula for area calculation, while irregular shapes may require decomposition into regular shapes or other methods.

Tags

CCSS.6.G.A.1

Front

How do you find the area of an irregular shape?

Back

You can divide it into regular shapes, calculate their areas, and then sum them up.