This math topic focuses on calculating percentage growth, specifically increasing a number by 10% multiples (20% in the provided problems). Students practice computing the final number after a specified percentage increase. Each problem asks for the new value after increasing an original number by 20%, with multiple-choice answers provided. The problems strengthen skills in applying percentage growth formulas and understanding practical implications of percentage increases.
Work on practice problems directly here, or download the printable pdf worksheet to practice offline.
Practice:
Percent growth of a number (10% multiples)
Complete these online problems with 80% or 4 correct answers in a row. Results are immediate.
Calculate the final number when it changes by a percentage
20% more than 55
Percent growth of a number (10% multiples) Worksheet
| Math worksheet on 'Percent growth of a number (10% multiples) (Level 3)'. Part of a broader unit on 'Percentages - Advanced' Learn online: app.mobius.academy/math/units/percentages_advanced/ |
1
| Calculate the final number when it changes by a percentage |
| 20% more than 25 |
a
| 30 |
b
| 42 |
c
| 38 |
d
| 21 |
e
| 32 |
f
| 29 |
2
| Calculate the final number when it changes by a percentage |
| 20% more than 95 |
a
| 148 |
b
| 160 |
c
| 165 |
d
| 114 |
e
| 80 |
f
| 57 |
3
| Calculate the final number when it changes by a percentage |
| 20% more than 75 |
a
| 72 |
b
| 117 |
c
| 99 |
d
| 90 |
e
| 86 |
f
| 50 |
4
| Calculate the final number when it changes by a percentage |
| 20% more than 65 |
a
| 78 |
b
| 70 |
c
| 74 |
d
| 86 |
e
| 59 |
f
| 90 |
5
| Calculate the final number when it changes by a percentage |
| 20% more than 55 |
a
| 66 |
b
| 89 |
c
| 92 |
d
| 86 |
e
| 40 |
f
| 79 |
6
| Calculate the final number when it changes by a percentage |
| 20% more than 15 |
a
| 11 |
b
| 9 |
c
| 18 |
d
| 23 |
e
| 17 |
f
| 20 |
7
| Calculate the final number when it changes by a percentage |
| 20% more than 35 |
a
| 44 |
b
| 38 |
c
| 40 |
d
| 34 |
e
| 29 |
f
| 42 |