4.1.3 Reflection & Practice

Front

What is the area of a rectangle?

Back

The area of a rectangle is calculated by multiplying its length by its width. Formula: Area = Length × Width.

Front

How do you convert feet to yards?

Back

To convert feet to yards, divide the number of feet by 3, since 1 yard = 3 feet.

Front

What is the area of Tina's living room in square feet if it measures 15 feet by 18 feet?

Back

Area = 15 feet × 18 feet = 270 square feet.

Front

How many square yards are in 270 square feet?

Back

To convert square feet to square yards, divide the area in square feet by 9. 270 square feet ÷ 9 = 30 square yards.

Front

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

Back

Cost per slice = Total cost ÷ Number of slices = $9.42 ÷ 3 = $3.14.

Front

Write the equation for the cost of pizza slices in the form y = kx.

Back

y = 3.14x, where y is the total cost and x is the number of slices.

Front

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

Back

Area = Length × Width.

Front

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

Back

Area = 10 feet × 5 feet = 50 square feet.

Front

How do you find the total cost of multiple items?

Back

Total Cost = Cost per item × Number of items.

Front

What is the relationship between area and units of measurement?

Back

Area is expressed in square units, such as square feet or square yards.