Understanding Area in Mathematics

What is the formula to calculate the area of a rectangle?

• Area = length + width

• Area = 2 × (length + width)

• Area = length × width

• Area = length ÷ width

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

• 12 cm²

• 15 cm²

• 8 cm²

• 20 cm²

Which unit is commonly used to measure area?

• Square meters (m²)

• Seconds (s)

• Liters (L)

• Kilograms (kg)

If a square has a side length of 4 cm, what is its area?

• 20 cm²

• 12 cm²

• 8 cm²

• 16 cm²

What is the area of a triangle with a base of 6 cm and a height of 4 cm?

• 8 cm²

• 10 cm²

• 14 cm²

• 12 cm²

If the area of a rectangle is 20 cm² and the length is 5 cm, what is the width?

• 6 cm

• 4 cm

• 3 cm

• 5 cm

How do you find the area of a circle?

• A = 2πr

• A = πd

• A = r² + h²

• A = πr²

If a garden is in the shape of a rectangle measuring 10 m by 2 m, what is its area?

• 20 m²

• 30 m²

• 25 m²

• 15 m²

What happens to the area of a rectangle if both the length and width are doubled?

• The area becomes four times larger.

• The area remains the same.

• The area becomes twice as large.

• The area becomes eight times larger.

If a shape has an area of 30 cm², can it be a square? Why or why not?

• No, a square cannot have an area of 30 cm².

• Yes, but only if it has a perimeter of 30 cm.

• Yes, it can be a square.

• No, squares can only have areas that are perfect squares.