This math topic focuses on practicing the calculation of final monetary amounts after applying a percentage reduction. Specifically, it emphasizes understanding and calculating 10% multiples of discounts, such as 20% and 30% off various amounts of money. The problems require determining the remaining amount after the discount is subtracted from an initial value, with multiple choice answers provided for each question. This set of problems is introduced as a beginner level in a larger unit on introductory percentages.
Work on practice problems directly here, or download the printable pdf worksheet to practice offline.
Practice:
Percent reduction of money (10% multiples)
Complete these online problems with 80% or 4 correct answers in a row. Results are immediate.
Calculate the final amount when it changes by a percentage
Take 10% discount from $100
Solution Transcript
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Let's start by calculating what 10 percent of 100 is. Ten percent of 100 can be calculated quickly by just moving the decimal place one to the left as ten percent is the same as 0.1. Subtract this from 100 to get your final answer.
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Percent reduction of money (10% multiples) Worksheet
| Math worksheet on 'Percent reduction of money (10% multiples) (Level 1)'. Part of a broader unit on 'Percentages - Tax, Tips, and Discounts' Learn online: app.mobius.academy/math/units/percentages_tax_tips_discounts/ |
| Calculate the final amount when it changes by a percentage |
| 20% off of $30 |
| $22.80 |
| $13.20 |
| $15.60 |
| $21.60 |
| $24.00 |
| $28.80 |
| Calculate the final amount when it changes by a percentage |
| $50 minus 20% tax |
| $50.00 |
| $40.00 |
| $32.00 |
| $48.00 |
| $42.00 |
| $20.00 |
| Take 30% discount from $90 |
| Calculate the final amount when it changes by a percentage |
| $63.00 |
| $66.15 |
| $56.70 |
| $81.90 |
| $47.25 |
| $59.85 |
| Take 20% discount from $40 |
| Calculate the final amount when it changes by a percentage |
| $32.00 |
| $20.80 |
| $28.80 |
| $44.80 |
| $27.20 |
| $46.40 |
| Calculate the final amount when it changes by a percentage |
| 20% off of $20 |
| $8.00 |
| $15.20 |
| $8.80 |
| $16.00 |
| $13.60 |
| $16.80 |
| Calculate the final amount when it changes by a percentage |
| 10% off of $20 |
| $15.30 |
| $17.10 |
| $18.00 |
| $21.60 |
| $11.70 |
| $26.10 |
| Calculate the final amount when it changes by a percentage |
| $80 shrinks by 10% |
| $90.00 |
| $79.20 |
| $50.40 |
| $104.40 |
| $72.00 |
| $86.40 |