What's the Formula?
Rectangles
Parallelograms
Triangles
Missing Dimensions

100

The formula for the area of a rectangle.
What is A= l x w?

100

The area of a rectangle with a length of 7 cm and a width of 5 cm.
What is 35 cm²?

100

The area of a parallelogram with a base of 7 m and a height of 4 m.
What is 28 m²?

100

The area of a triangle with a base of 9 cm and a height of 4 cm.
What is 18 cm²?

100

The length of a rectangle with an area of 36 cm² and a width of 4 cm.
What is 9 cm?

200

l + w + l + w
What is the formula for the perimeter of a rectangle or square?

200

The area of a square with a side length of 6 m.
What is 36 m²?

200

The area of a parallelogram with a base of 8 cm and a height of 7 cm.
What is 56 cm²?

200

The area of a triangle with a base of 2 m and a height of 5 m.
What is 5 m²?

200

The length of a square with an area of 64 m².
What is 8 m?

300

The formula for the area of a parallelogram.
What is A = b x h?

300

The area of a rectangle with a length of 10 cm and a width of 3 cm.
What is 30 cm²?

300

The area of a rhombus with a base of 4 cm and a height of 4 cm.
What is 16 cm²?

300

The area of a triangle with a base of 10 km and a height of 4 km.
What is 20 km²?

300

The height of a parallelogram with an area of 54 m², a base of 9 m, and a side length of 3 m.
What is 6 m?

400

The formula for the area of a triangle.
What is b x h ÷ 2 OR ½b x h?

400

The area of a rectangle with a length of 1 m and a width of 20 cm?
What is 2000 cm² (or 0.2 m²)?

400

The area of a parallelogram with a base of 1 m and a height of 16 cm.
What is 1600 cm² (or 0.16 m²)?

400

The area of a triangle with a base of 70 mm and a height of 6 cm?
What is 21 cm² (or 2100 mm²)?

400

The height of a triangle with a base of 12 cm and an area of 48 cm².
What is 8 cm?

500

The formula for the area of a rhombus?
What is A = b x h?

500

The area in cm² of a rectangle with a length of 300 cm and a width of 20 dm.
What is 60 000 cm²?

500

The area of a parallelogram with a height of 40 mm and a base of 5 cm.
What is 20 cm² (or 2000 mm²)?

500

The area of a triangle with a base of 4 m and a height of 300 cm.
What is 6 m² (or 60 000 cm²)?

500

The base of a triangle with an area of 240 cm² and a height of 60 mm.
What is 80 cm or 800 mm?