Percent Power
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Proportional Thinking
Conversions & Comparisons
Mixed Challenge
100

There are 15 pieces of fruit and 6 are apples. What percent are apples?

What is 40%?

100

A ship travels 25 miles in 1 hour. What is its speed?

What is 25 miles per hour?

100

Laura uses 3½ cups of sugar for 2 batches. How much does she need for 5 batches?

What is 8.75 (8 3/4) cups of sugar?

100

Convert 2 gallons to liters if 5 gallons ≈ 19 liters.

What is 7.6 liters?

100

What’s 10% of 200?

What is 20?

200

Lin’s family has traveled 35 miles so far, which is 70% of their trip. What is the total trip distance?

What is 50 miles?

200

A train travels 160 miles at a constant speed of 80 miles per hour. How long will the trip take?

What is 2 hours?

200

A large bucket holds 5 gallons (≈19 L). How many liters is 2 gallons?

What is 7.6 liters?

200

Order from least to greatest: 65% of 80, 82% of 50, 170% of 30.

What is 41 (82% of 50), 51 (170% of 30), 52 (65% of 80)?

200

If a shirt costs $40 and is 25% off, what is the sale price?

What is $30?

300

60% of the toaster ovens are silver. If there are 75 silver toaster ovens, how many are there in total?

What are 125 toasters ovens?

300

Lin runs 4 laps in 5 minutes. How many minutes per lap is that? (round to hundredths)

What is 1.25 minutes per lap?

300

A deli sells 2 lbs of ham for $12. What’s the cost per pound?

What is $6 per pound?

300

Find the total cost of ham if 1 lb costs $6 and you buy 4.

What is $24?

300

Elena and Jada start 12 miles apart. Elena runs 5 mph, Jada walks 3 mph. How long until they meet?

What is "12÷(5+3)=1.5 hours"?

400

A bottle of juice has 600 mL. A medium bottle has 80% as much. How many milliliters are in the medium bottle?

What is 480 mL?

400

Lin runs 4 laps in 5 minutes. How many laps per minute is that? (round to tenths)

What is 0.8 minutes per lap?

400

How much would 5 pounds of ham cost at the same rate?

($6 per pound)

What is $30?

400

Which is greater: 75% of 60 or 40% of 120?

What is 40% of 120 (48)?

400

A car travels 180 miles in 3 hours. What is its unit rate?

What is 60 miles per hour?

500

A store sells 5 bottles for $7. If each usually costs $1.89, how much is saved per bottle?

What is 0.49 cents per bottle?
500

If Lin runs 21 laps at the same rate, how long will it take her? (round to hundredths)

1.25 laps per minute

0.8 minutes per lap

What is 26.25 minutes?

500

Explain what it means that the relationship between pounds and cost is proportional?

What is "As pounds increase, cost increases at a constant rate (same unit rate: $6 per lb)."?

500

What does “170% of 30” mean in words and in value?

What is "“170%” means 1.7 × 30 = 51, which is 70% more than 30."?

500

A store decreases a price by 20% and then increases it by 25%. Is the final price more, less, or the same as the original? Explain.

What is 'The final price will be more than the original"