This math topic focuses on calculating the final amount of money after it has changed by multiples of 10% as part of a broader introduction to percentages. It includes applying percentages to real-life scenarios, such as determining final-costs after adding tips and calculating total amounts after interest growth. Each problem presents an initial amount of money and asks to calculate the resultant amount after adding a specific percentage. It provides an excellent practice for understanding and manipulating basic percentage calculations in various contexts.
Work on practice problems directly here, or download the printable pdf worksheet to practice offline.
morePercent growth of money (10% multiples) Worksheet
| Math worksheet on 'Percent growth of money (10% multiples) (Level 1)'. Part of a broader unit on 'Percentages - Intro' Learn online: app.mobius.academy/math/units/percentages_intro/ |
1
| Calculate the final amount when it changes by a percentage |
| $80 plus 10% interest |
a
| $88.00 |
b
| $52.80 |
c
| $127.60 |
d
| $48.40 |
e
| $118.80 |
f
| $83.60 |
2
| Calculate the final amount when it changes by a percentage |
| 20% more than $30 |
a
| $30.60 |
b
| $41.40 |
c
| $52.20 |
d
| $23.40 |
e
| $36.00 |
f
| $27.00 |
3
| Calculate the final amount when it changes by a percentage |
| Add 20% tip to $50 |
a
| $57.00 |
b
| $66.00 |
c
| $45.00 |
d
| $60.00 |
e
| $69.00 |
f
| $42.00 |
4
| Calculate the final amount when it changes by a percentage |
| Add 10% tip to $70 |
a
| $80.85 |
b
| $84.70 |
c
| $46.20 |
d
| $103.95 |
e
| $77.00 |
f
| $88.55 |
5
| Calculate the final amount when it changes by a percentage |
| Add 30% tip to $60 |
a
| $46.80 |
b
| $50.70 |
c
| $78.00 |
d
| $105.30 |
e
| $101.40 |
f
| $39.00 |
6
| Calculate the final amount when it changes by a percentage |
| 30% more than $40 |
a
| $75.40 |
b
| $57.20 |
c
| $46.80 |
d
| $41.60 |
e
| $52.00 |
f
| $59.80 |
7
| Calculate the final amount when it changes by a percentage |
| $80 grows by 20% |
a
| $48.00 |
b
| $96.00 |
c
| $129.60 |
d
| $105.60 |
e
| $57.60 |
f
| $76.80 |