Percentage and Measurement Problems

The video tutorial covers solving percentage problems using various methods like bar diagrams, tape diagrams, and tables. It includes practical examples such as calculating discounts, determining expressions larger than 100, and solving rate problems. The tutorial also reviews unit conversions and measurements, providing a comprehensive practice problem review for grade six students.

If 160 is what percent of 40, which of the following is correct?

• 500%

• 300%

• 200%

• 400%

Forty is 160% of which number?

• 35

• 20

• 30

• 25

What number is 40% of 160?

• 48

• 32

• 64

• 80

If May saves $13 on a 20% off sale, what was the original price of the item?

• $60

• $52

• $70

• $65

A scarf originally priced at $16 is discounted by $12. What is the discount percentage?

• 75%

• 50%

• 60%

• 70%

Which of the following expressions has a value greater than 100?

• 50% of 150

• 150% of 50

• 200% of 30

• 500% of 400

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

• 15 cm/min

• 10 cm/min

• 25 cm/min

• 20 cm/min

How many milliliters are in three and a half cups?

• 1100 mL

• 828.1 mL

• 900 mL

• 1000 mL

What is the approximate weight of a pineapple?

• 1 ton

• 1 kilogram

• 1 gram

• 1 pound

The volume of a melon is about one:

• Gallon

• Liter

• Cup

• Quart