Increasing and Decreasing Percentages
A Grade 6 math worksheet to practice increasing and decreasing numbers by a given percentage, including real-world problems.
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Increasing and Decreasing Percentages
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Date:
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Read each question carefully and follow the instructions to calculate percentage increases or decreases. Show your work where necessary.
1. To increase a number by a percentage, you first find the percentage of the number, then it to the original number.
2. To decrease a number by a percentage, you first find the percentage of the number, then it from the original number.
3. 10% of 50 is . So, 50 increased by 10% is .
1. Increase 80 by 20%.
2. Decrease 150 by 10%.
3. Increase 400 by 5%.
1. A shirt costs $25. If the price is increased by 10%, what is the new price?
$22.50
$27.50
$26.00
$20.00
2. A population of 300 birds decreases by 5%. How many birds are left?
15
285
315
295
1. Increasing 100 by 20% results in 120.
True
False
2. Decreasing 50 by 10% results in 40.
True
False
1. A toy car originally costs $12. During a sale, its price is decreased by 25%. What is the new price of the toy car?
2. The number of students in a club increased from 40 to 50. What is the percentage increase?