4.1.3 Reflection & Practice

Front

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

Back

Area = length × width.

Front

If a rectangle has a length of 15 feet and a width of 18 feet, what is its area in square feet?

Back

270 square feet.

Front

How do you convert feet to yards?

Back

Divide the number of feet by 3.

Front

If Tina's living room measures 15 feet by 18 feet, how many square yards of carpet does she need?

Back

30 square yards.

Front

What is the cost per slice of pizza if 3 slices cost $9.42?

Back

$3.14 per slice.

Front

Write the equation for the cost of pizza slices in the form y = kx, where y is the total cost and x is the number of slices.

Back

y = 3.14x.

Front

What is the area of a rectangle with a length of 10 feet and a width of 5 feet?

Back

50 square feet.

Front

How many square feet are in one square yard?

Back

9 square feet.

Front

If a carpet is sold by the square yard, how do you calculate the total cost for a given area in square feet?

Back

Convert square feet to square yards and multiply by the price per square yard.

Front

What is the total area in square feet of a rectangular room measuring 12 feet by 10 feet?

Back

120 square feet.