Percent Decrease Master Quiz: Master Percent Decrease Quiz

  • 6th Grade
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| Questions: 20 | Updated: Dec 17, 2025
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1) A city’s population decreased from 100,000 to 85,000. What is the percent decrease?

Explanation

Population dropped by 15,000. (15,000 ÷ 100,000) × 100 = 15% decrease.

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About This Quiz
Percent Decrease Master Quiz: Master Percent Decrease Quiz - Quiz

How can you master percent decrease in all its forms? In this quiz, you’ll work through problems involving step-by-step reductions, multi-stage decreases, and real-world applications like sales, depreciation, and value loss. You’ll practice forming equations, interpreting percent relationships, and identifying how repeated decreases compound over time. Each problem strengthens you... see moreunderstanding of how quantities shrink mathematically, helping you build precision and confidence when working with percentage-based reductions in everyday and academic contexts.
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2) A shirt originally costs $50 and is discounted by 30%. What is the new price?

Explanation

30% of $50 = $15, so new price = $50 − $15 = $35.

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3) True or False: A decrease from $200 to $150 is a 25% decrease.

Explanation

The decrease is 50 ÷ 200 = 25%. So it’s true.

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4) Fill in the blank: A coat cost $120 and now costs $96. The percent decrease is ___%.

Explanation

Decrease = $24. (24 ÷ 120) × 100 = 20%.

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5) A $500 phone decreases in price by 15%. What is the sale price?

Explanation

15% of 500 = 75. New price = 500 − 75 = 425.

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6) A laptop costs $1,200. It was discounted by 25% and then another 10% on the new price. What is the final price?

Explanation

After first 25% off: 1200×0.75=900. After second 10% off: 900×0.9=810.

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7) A store reduced an $80 item by 40%. Later, it reduced the new price by another 25%. What is the final price?

Explanation

After 40% off: 80×0.6=48. Then 25% off: 48×0.75=36. Correct answer $36.

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8) True or False: A 50% decrease followed by another 50% decrease equals a total decrease of 100%.

Explanation

A 50% decrease followed by another 50% decrease results in 75% overall decrease, not 100%.

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9) A $600 TV was discounted by 15% and then reduced by $51. What is the final price?

Explanation

After 15% off: 600×0.85=510. Then $51 off → 459.

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10) A population decreased from 80,000 to 64,000. The percent decrease is ___%.

Explanation

Decrease = 16,000. (16,000 ÷ 80,000) × 100 = 20%.

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11) A store’s revenue decreased from $2,400,000 to $1,920,000. What is the percent decrease?

Explanation

Difference is $480,000. (480,000 ÷ 2,400,000) × 100 = 20%.

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12) A $100 item decreases by 10% and then another 20%. What is the final price?

Explanation

First 10% off: 100×0.9=90. Then 20% off: 90×0.8=72.

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13) A car’s value dropped from $25,000 to $20,000 in a year. What is the percent decrease?

Explanation

Drop = 5000. (5000 ÷ 25,000) × 100 = 20%.

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14) True or False: A decrease from 90 to 72 represents a 20% decrease.

Explanation

Decrease = 18. (18 ÷ 90) × 100 = 20%. True.

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15) A book’s price decreased from $50 to $37.50. The percent decrease is ___%.

Explanation

Decrease = 12.5. (12.5 ÷ 50) × 100 = 25%.

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16) A phone cost $500. Its price decreased by 30% and then by another 10%. What is the final price?

Explanation

After 30% off: 500×0.7=350. Then 10% off: 350×0.9=315.

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17) A bicycle worth $240 was reduced by 25% and then taxed 10% on reduced price. What is the final cost?

Explanation

First 25% off: 240×0.75=180. Then 10% tax: 180×1.1=198.

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18) A company produced 10,000 units last year. This year, it produced 8,000. What is the percent decrease?

Explanation

Decrease = 2,000. (2,000 ÷ 10,000) × 100 = 20% decrease.

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19) A laptop's price dropped from $900 to $720. What is the percent decrease?

Explanation

The decrease is $180 from $900. (180 ÷ 900) × 100 = 20%.

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20) A jacket was $80 and is now $64. What is the percent decrease?

Explanation

Decrease = $16. (16 ÷ 80) × 100 = 20%.

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A city’s population decreased from 100,000 to 85,000. What is the...
A shirt originally costs $50 and is discounted by 30%. What is the new...
True or False: A decrease from $200 to $150 is a 25% decrease.
Fill in the blank: A coat cost $120 and now costs $96. The percent...
A $500 phone decreases in price by 15%. What is the sale price?
A laptop costs $1,200. It was discounted by 25% and then another 10%...
A store reduced an $80 item by 40%. Later, it reduced the new price by...
True or False: A 50% decrease followed by another 50% decrease equals...
A $600 TV was discounted by 15% and then reduced by $51. What is the...
A population decreased from 80,000 to 64,000. The percent decrease is...
A store’s revenue decreased from $2,400,000 to $1,920,000. What is...
A $100 item decreases by 10% and then another 20%. What is the final...
A car’s value dropped from $25,000 to $20,000 in a year. What is the...
True or False: A decrease from 90 to 72 represents a 20% decrease.
A book’s price decreased from $50 to $37.50. The percent decrease is...
A phone cost $500. Its price decreased by 30% and then by another 10%....
A bicycle worth $240 was reduced by 25% and then taxed 10% on reduced...
A company produced 10,000 units last year. This year, it produced...
A laptop's price dropped from $900 to $720. What is the percent...
A jacket was $80 and is now $64. What is the percent decrease?
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