Percentage Calculations and Comparisons

This lesson covers the concept of percentages, exploring their equivalence and application through various examples and activities. Students learn to calculate percentages in different contexts, such as jump rope activities and restaurant capacity problems. The lesson concludes with a summary and homework to reinforce the concepts.

If 30% of 44 equals 3% of 440, what is the common value?

• 15.2

• 12.4

• 14.4

• 13.2

What is the equivalent decimal of 90%?

• 0.009

• 9.0

• 0.9

• 0.09

What percentage of Diego's jump time did Jada achieve if she jumped for 15 minutes?

• 60%

• 80%

• 50%

• 75%

If a restaurant has a maximum capacity of 75 people, what percentage of the capacity is used by 9 people?

• 12%

• 15%

• 10%

• 18%

What percentage of 90 kg is 36 kg?

• 70%

• 60%

• 50%

• 40%

If a roller coaster requires a height of 40 inches, what percentage of this height is 34 inches?

• 85%

• 90%

• 80%

• 75%

During a sale, a tool set costs $12 less than its usual price of $80. What percentage of the usual price is the savings?

• 10%

• 12.5%

• 15%

• 20%

A bathtub holds 80 gallons. If it fills at 4 gallons per minute, what percentage is filled after 6 minutes?

• 40%

• 20%

• 30%

• 50%

If the sale price of an item is 85% of its usual price, what is the sale price of a $30 backpack?

• $28.50

• $24.00

• $27.00

• $25.50

A shopper needs 48 hot dogs. Which is the better deal: a six-pack for $2.10 or an eight-pack for $3.12?

• Six-pack

• Eight-pack

• Both are equal

• Neither