Percentage and Volume Measurement Problems

This lesson covers solving percentage problems, including calculating percentages, discounts, and expressions greater than 100. It also explores the pace of an ant's travel, compares volumes of cups and liters, and identifies units of measurement for various objects.

What percent of 40 is 160?

• 100%

• 200%

• 400%

• 300%

If 40 is 160% of a number, what is that number?

• 35

• 30

• 25

• 20

What number is 40% of 160?

• 80

• 64

• 48

• 32

Mai saves $13 on a 20% sale. What was the original price?

• $52

• $60

• $65

• $70

A scarf originally costs $16 and is sold with a $12 discount. What is the discount percentage?

• 50%

• 75%

• 60%

• 70%

Which expression has a value greater than 100?

• 50% of 200

• 20% of 800

• 120% of 100

• 10% of 1000

An ant travels 30 cm in 2 minutes. What is its speed in cm per minute?

• 10 cm/min

• 15 cm/min

• 20 cm/min

• 25 cm/min

Is three and a half cups more or less than one liter?

• More

• Equal

• Cannot be determined

• Less

What unit is approximately the same as the distance from a doorknob to the floor?

• Centimeter

• Foot

• Inch

• Yard

What is the approximate thickness of a fingernail?

• 1 centimeter

• 1 inch

• 1 millimeter

• 1 foot