Area

Squares/Rectangles

100

What is the area of a square with a side length of 4mm?

16 mm²

200

The area of a rectangle with a length of 10 cm and a width of 5 cm?

A = 50 cm²

300

Length is 9 cm and width is 6 cm

Area = 54 cm²

400

length is 10.5 mm and width is 6.2 mm?

Area = 65.1 mm²

500

length is 12.3 cm and width is 12.1 cm?

144.83 cm²

Parallelograms

100

What is the area of a parallelogram with a base of 10 mm and a height of 3 mm?

30 mm²

200

Find the area?  Base is 7.5 cm and the height is 2.5 cm?

18.75 cm²

300

Area?  Base is 3.25 mm, height is 4.2 mm

13.65 mm²

400

Area?  base 8.33 mm, height 3.4 mm

28.322 mm²

500

Area?  Base 27.8 mm, height 14.2 mm

394.76 mm²

Triangles

100

What is the formula used to calculate the area of a triangle?

A = b x h / 2

200

Area?  Base is 5 mm, height is 6 mm

15 mm²

300

Area?  Base 12 cm, height 9 cm

54 cm²

400

Area?  Base 4.7 cm, height 5.2 cm

12.22 cm²

500

Area?  Base 41 mm, height 22 mm

451 mm²

Circles

100

What is the formula used to calculate the area of a circle?

A = ∏ r²  

or  

A = ∏ x r x r

200

Area?  Diameter is 6 cm

28.26 cm²

300

Area?  Radius is 10 mm

314 mm²

400

Area?  Diameter is 9 cm

63.585 cm²

500

Area?  Radius is 12.5 mm

490.625 mm²

Mystery Shapes

100

Area of a square?  Side length is 5 mm

25 mm²

200

Area of a parallelogram?  Base is 10 cm and height is 8 cm

80 cm²

300

Area of a triangle?  Base is 14 mm and height is 7 mm

49 mm²

400

Area of a circle?  Diameter is 33 mm

854.865 mm²

500

Area of a triangle?  Base is 25 mm and height is 10 mm

125 mm²