Area
Calculating Area
Square Unit Conversions
Circumference
Area of a Circle
100

The formula for finding the area of a parallelogram is ___.

What is base × height?

100

A rectangle has a length of 9 cm and a width of 4 cm. What is its area?

What is ( 36 cm² )?

100

Convert 3.2 km² to m². ** Multiply by 1,000,000

What is ( 3,200,000 m² )? ( Multiply by 1,000,000 )

100

What formula do you use to find the circumference of a circle when given the radius?

What is ( C = 2𝝿r )?

100

What formula do you use to find the area of a circle?

What is ( A = 𝝿r² )?

200

What does 'b' and 'h' stand for in the formula for a parallelogram?

What is ( b = base, h = height )?

200

A parallelogram has a base of 10 m and a height of 3 m. What is its area?

 What is ( 30 m² )?

200

Convert 450,000 cm² to m². **Hint: Divide by 10,000

What is ( 45 m² )? ( Divide by 10,000 )

200

What is the radius of a circle with a diameter of 18 cm?

What is ( 9 cm )?

200

Find the area of a circle with a radius of 6 cm. (Use 𝝿 ≈ 3.14)

What is ( 113.04 cm² )?

300

The formula for finding the area of a triangle is ___.

What is ( base × height ÷ 2 )?

300

A trapezoid has bases of 6 cm and 10 cm, with a height of 4 cm. Find the area.

What is ( 32 cm² )?

300

Convert 0.5 m² to cm². **Hint: Multiply by 10,000

What is ( 5,000 cm² )? ( Multiply by 10,000 )

300

A circle has a radius of 5 m. Find its circumference. (Use 𝝿 ≈ 3.14)

What is ( 31.4 m )?

300

Find the area of a circle with a diameter of 10 m. (Use 𝝿 ≈ 3.14)

What is ( 78.5 m² )?

400

Which two shapes have the same area formula?

 What are ( rectangles and parallelograms )?

400

A triangle has a base of 12 m and a height of 5 m. What is its area?

What is ( 30 m² )?

400

Convert 75 m² to km². **HINT: Divide by 1,000,000

What is ( 0.000075 km² )? ( Divide by 1,000,000 )

400

A circle has a diameter of 14 cm. Find its circumference. (Use 𝝿 ≈ 3.14)

What is ( 43.96 cm )?

400

Find the area of a circle with a radius of 82 mm. (Use 𝝿 ≈ 3.14)

What is 21,113.36 mm2

500

If a rectangle’s length doubles but the width stays the same, how does the area change?

What is the area doubles ?

500

A parallelogram and a rectangle have the same base and height. Which one will have the larger area?

What is ( they are the same )?

500

Convert 2.4 cm² to mm². **Hint: Multiply by 100

What is ( 24 mm² )? ( Multiply by 100 )

500

The circumference of a circle is 35.9mm, what is the length of the circles diameter?

What is 11.43mm?

500

The area of a circle is 314 m². What is its radius? (Use 𝝿 ≈ 3.14) **Hint: Divide by 𝝿 and find the square root

What is ( 10 m )?