Percentage and Rate 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 measurement units for various objects.

If 160 is what percent of 40, what is the percentage?

• 200%

• 100%

• 300%

• 400%

40 is 160% of which number?

• 35

• 30

• 25

• 20

What is 40% of 160?

• 32

• 48

• 64

• 80

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

• $60

• $52

• $65

• $70

A scarf originally priced at $16 was sold with a $12 discount. What was the discount percentage?

• 50%

• 75%

• 60%

• 70%

Which expression has a value greater than 100?

• 20% of 800

• 50% of 200

• 120% of 100

• 10% of 1000

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

• 25 cm/min

• 20 cm/min

• 15 cm/min

• 10 cm/min

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

• Cannot be determined

• More

• Less

• Equal

What is the approximate weight of a pineapple?

• 1 gram

• 1 kilogram

• 1 ton

• 1 pound

The volume of a drop of honey is about:

• 1 milliliter

• 1 cup

• 1 liter

• 1 gallon