This math topic focuses on calculating the result of percentage reductions, specifically in multiples of 10%, applied to various numbers. It covers the practical application of finding a final value after reducing an original amount by a specified percentage like 50%, 60%, 70%, and 80%. Each problem provides multiple answer choices. The exercises are designed to enhance understanding of basic percentage calculations and their real-world implications.
Work on practice problems directly here, or download the printable pdf worksheet to practice offline.
Practice:
Percent reduction 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
40% less than 100
Percent reduction of a number (10% multiples) Worksheet
| Math worksheet on 'Percent reduction of a number (10% multiples) (Level 2)'. Part of a broader unit on 'Percentages - Intro' Learn online: app.mobius.academy/math/units/percentages_intro/ |
1
| Calculate the final number when it changes by a percentage |
| 50% less than 50 |
a
| 26 |
b
| 18 |
c
| 25 |
d
| 30 |
e
| 33 |
f
| 28 |
2
| Calculate the final number when it changes by a percentage |
| 100% less than 90 |
a
| 1 |
b
| 2 |
c
| 3 |
d
| 0 |
3
| Calculate the final number when it changes by a percentage |
| 90% less than 20 |
a
| 3 |
b
| 2 |
c
| 1 |
d
| 4 |
e
| 0 |
4
| Calculate the final number when it changes by a percentage |
| 80% less than 100 |
a
| 20 |
b
| 14 |
c
| 15 |
d
| 13 |
e
| 25 |
f
| 11 |
5
| Calculate the final number when it changes by a percentage |
| 70% less than 70 |
a
| 15 |
b
| 27 |
c
| 18 |
d
| 26 |
e
| 13 |
f
| 21 |
6
| Calculate the final number when it changes by a percentage |
| 80% less than 50 |
a
| 7 |
b
| 12 |
c
| 10 |
d
| 9 |
e
| 11 |
f
| 6 |
7
| Calculate the final number when it changes by a percentage |
| 50% less than 60 |
a
| 36 |
b
| 33 |
c
| 35 |
d
| 38 |
e
| 30 |
f
| 23 |