6.1-6.2 Bell Ringer

Front

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

Back

Area = length × width

Front

If a room measures 15 ft by 18 ft, how do you convert the area to square yards?

Back

1 square yard = 9 square feet. Area in square feet = 15 ft × 18 ft = 270 sq ft. Area in square yards = 270 sq ft ÷ 9 = 30 sq yd.

Front

What is the recommended percentage of income to spend on rent?

Back

It is recommended to spend no more than 28% of your income on rent.

Front

How do you calculate the BTU rating needed for an air conditioner?

Back

BTU rating can be estimated based on room size, insulation level, and exposure. A common estimate is 20 BTUs per square foot.

Front

What is the area of a rectangle with a width of 8 cm and a length of 6 cm?

Back

Area = 8 cm × 6 cm = 48 cm².

Front

How do you determine the total cost of carpeting for a room?

Back

Total cost = (Area in square yards) × (Cost per square yard).

Front

What is the area of a room that is 12 feet long and 11 feet wide?

Back

Area = 12 ft × 11 ft = 132 sq ft.

Front

If you earn $47,476 per year, how much can you afford to spend on rent each month?

Back

Monthly rent = (Annual income × 0.28) ÷ 12 = $1,107.77.

Front

What is the area of a triangle with a base of 10 cm and a height of 5 cm?

Back

Area = (base × height) ÷ 2 = (10 cm × 5 cm) ÷ 2 = 25 cm².

Front

How do you convert square feet to square yards?

Back

Divide the area in square feet by 9.