Unit 3 Review (Desmos)

Front

What is the formula to calculate percentage?

Back

Percentage = (Part / Whole) × 100

Front

If 12 out of 30 students think aliens exist, what is the percentage of students who think aliens exist?

Back

40% (12/30 × 100 = 40)

Front

How do you find the cost per item?

Back

Cost per item = Total Cost / Number of Items

Front

If 8 dog treats cost $4.40, what is the cost per dog treat?

Back

$0.55 ($4.40 / 8 = $0.55)

Front

What is the formula to find how much of an item you can get per dollar?

Back

Amount per dollar = Total Amount / Total Cost

Front

If Abdullah buys 3 pounds of mac and cheese for $7.50, how much can he get per dollar?

Back

0.4 pounds per dollar (3 / 7.50 = 0.4)

Front

How do you convert inches to centimeters?

Back

Use the conversion factor: 1 inch = 2.54 cm.

Front

If Malik's height is 57 inches, what is his height in centimeters?

Back

144.8 cm (57 × 2.54 = 144.8)

Front

What is the formula to calculate the number of successful attempts in a percentage problem?

Back

Successful Attempts = Total Attempts × (Percentage / 100)

Front

If Martina attempted 40 free throws and 25% were successful, how many free throws went in?

Back

10 free throws (40 × 0.25 = 10)