This math topic focuses on calculating the percent growth of money, specifically with problems that involve adding a 20% interest rate to various principal amounts. It teaches students how to compute the final amount of money after it has increased by a given percentage, facilitating understanding of percentage growth calculations in the context of interest and principal sums. The exercises are structured as multiple-choice questions, helping students apply their knowledge to real-world financial scenarios involving simple interest calculations.
Work on practice problems directly here, or download the printable pdf worksheet to practice offline.
morePractice:
Percent growth of money (principle and interest) (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
$35 principle grows by 20% interest
Earned ?
Percent growth of money (principle and interest) (10% multiples) Worksheet
| Math worksheet on 'Percent growth of money (principle and interest) (10% multiples) (Level 3)'. Part of a broader unit on 'Percents and Simple Interest - Intro' Learn online: app.mobius.academy/math/units/percents_and_simple_interest_intro/ |
| 20% interest on $95 principle |
| Calculate the final amount when it changes by a percentage |
| $131.10 |
| $159.60 |
| $114.00 |
| $125.40 |
| $153.90 |
| $148.20 |
| $85 principle plus 20% interest |
| Calculate the final amount when it changes by a percentage |
| $61.20 |
| $51.00 |
| $102.00 |
| $66.30 |
| $91.80 |
| $137.70 |
| 20% interest on $5 principle |
| Calculate the final amount when it changes by a percentage |
| $8.10 |
| $6.00 |
| $7.20 |
| $6.90 |
| $4.20 |
| $6.60 |
| 20% interest on $55 principle |
| Calculate the final amount when it changes by a percentage |
| $75.90 |
| $46.20 |
| $92.40 |
| $52.80 |
| $39.60 |
| $66.00 |
| $25 principle grows by 20% interest |
| Calculate the final amount when it changes by a percentage |
| $30.00 |
| $28.50 |
| $19.50 |
| $22.50 |
| $18.00 |
| $24.00 |
| $75 principle grows by 20% interest |
| Calculate the final amount when it changes by a percentage |
| $103.50 |
| $85.50 |
| $90.00 |
| $99.00 |
| $130.50 |
| $81.00 |
| 20% interest on $15 principle |
| Calculate the final amount when it changes by a percentage |
| $20.70 |
| $18.00 |
| $26.10 |
| $22.50 |
| $11.70 |
| $23.40 |