Percentage and Proportional Reasoning

This lesson covers the use of tape diagrams to understand percentages. It begins with an introduction to percentages and tape diagrams, followed by practical examples involving Jada's puppy weight and comparisons with another dog's weight. The lesson also explores money calculations using percentages and tape diagrams, and concludes with a discussion on water consumption during a hike. The session ends with a summary and homework review.

What percentage of the whole is represented by three shaded segments out of four in a tape diagram?

• 50%

• 60%

• 75%

• 80%

If Jada's puppy weighs 9 lbs and this is 20% of its adult weight, what is the adult weight?

• 60 lbs

• 50 lbs

• 45 lbs

• 30 lbs

How many times greater is Jada's friend's dog's weight compared to Jada's puppy?

• 5 times

• 8 times

• 10 times

• 12 times

If Elena has 40% of Noah's $5, how much money does she have?

• $1

• $3

• $2

• $4

Diego has 150% of Noah's $5. How much money does Diego have?

• $7.50

• $6.50

• $5.50

• $8.50

If Andre drank 1.5 liters of water, which is 50% of his total, how much water did he bring?

• 2.5 liters

• 2 liters

• 3.5 liters

• 3 liters

What is 80% of 3 liters of water?

• 2.4 liters

• 2 liters

• 3 liters

• 2.6 liters

If a bakery makes 40 different flavors of muffins and 25% have chocolate, how many flavors have chocolate?

• 5

• 10

• 20

• 15

Jada spent 120% of her cell phone budget, which was $60. What was her original budget?

• $50

• $40

• $70

• $60

An athlete runs 8 miles in 50 minutes. How long will it take to run 9 miles at the same pace?

• 56.25 minutes

• 55 minutes

• 60 minutes

• 62.5 minutes