This math topic focuses on calculating percentage change, specifically focusing on practicing a 10% growth situation. Students are provided with scenarios where an initial number is increased by 10%, and they must calculate the percentage by which the number has been increased. Each problem involves simple arithmetic and understanding the concept of 10% growth and its implications on the new value, reinforcing an understanding of basic percentages, a foundational element in introductory percentage studies.
Work on practice problems directly here, or download the printable pdf worksheet to practice offline.
morePractice:
Percent change in a growing number (10%) - Concept Intro
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What is the tip percent if you pay $99 for a $90 meal? Hint, find the change in $ first!
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Percent change in a growing number (10%) - Concept Intro Worksheet
| Math worksheet on 'Percent change in a growing number (10%) - Concept Intro (Level 2)'. Part of a broader unit on 'Percentages - Tax, Tips, and Discounts' Learn online: app.mobius.academy/math/units/percentages_tax_tips_discounts/ |
| 10% of 90 is 9 What is the % change if 90 grows to 99 |
| What percent did the number change by? |
| 20% |
| 12% |
| 10% |
| -10% |
| 18% |
| 28% |
| 10% of 50 is 5 What is the % change if 50 grows to 55 |
| What percent did the number change by? |
| 5% |
| 30% |
| 10% |
| 14% |
| 1% |
| 11% |
| 10% of 70 is 7 What is the % change if 70 grows to 77 |
| What percent did the number change by? |
| 4% |
| -10% |
| 20% |
| 50% |
| 5% |
| 10% |
| 10% of 100 is 10 What is the % change if 100 grows to 110 |
| What percent did the number change by? |
| 50% |
| 10% |
| -10% |
| 11% |
| 19% |
| 27% |
| 10% of 60 is 6 What is the % change if 60 grows to 66 |
| What percent did the number change by? |
| 7% |
| -20% |
| 40% |
| 50% |
| 10% |
| 0% |
| 10% of 80 is 8 What is the % change if 80 grows to 88 |
| What percent did the number change by? |
| 40% |
| 10% |
| 22% |
| 20% |
| 30% |
| -20% |