Area, Perimeter and Decimals Review

Front

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

Back

Area = length × width.

Front

How do you calculate the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width).

Front

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

Back

Area = 4 in × 4 in = 16 in².

Front

If a rectangle has a length of 10 m and a width of 5 m, what is its area?

Back

Area = 10 m × 5 m = 50 m².

Front

What is the perimeter of a square with a side length of 3 units?

Back

Perimeter = 4 × side length = 4 × 3 = 12 units.

Front

How do you convert a decimal to a fraction?

Back

To convert a decimal to a fraction, write the decimal over 1 and multiply the numerator and denominator by 10 for each digit after the decimal point.

Front

What is 72 ÷ 0.09?

Back

72 ÷ 0.09 = 800.

Front

What is the area of a triangle?

Back

Area = 1/2 × base × height.

Front

If a figure has an area of 7.5 units², what does this represent?

Back

This represents the amount of space enclosed within the figure.

Front

What is the relationship between area and perimeter?

Back

Area measures the space inside a shape, while perimeter measures the distance around it.