Percent reduction of a number (10% multiples)

Level 3

This math topic focuses on the skill of calculating percent reductions of numbers using multiples of 10%. It presents problems where learners must compute the resultant value after reducing an original number by 20%. Each problem offers multiple choices for the answers, allowing the learner to select the correct reduced value. The curriculum is part of a larger unit on understanding and practicing with percentages. These exercises are apt for enhancing one's ability to apply percentage calculations in real-life situations.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

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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

20% less than 5

?

Percent reduction of a number (10% multiples) Worksheet

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Math worksheet on 'Percent reduction 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% less than 45
a
47
b
40
c
32
d
36
e
38
f
23
2
Calculate the final number when it changes by a percentage
20% less than 75
a
42
b
48
c
36
d
60
e
51
f
57
3
Calculate the final number when it changes by a percentage
20% less than 5
a
5
b
6
c
2
d
3
e
4
4
Calculate the final number when it changes by a percentage
20% less than 25
a
20
b
18
c
24
d
26
e
28
f
21
5
Calculate the final number when it changes by a percentage
20% less than 35
a
28
b
21
c
27
d
22
e
34
f
18
6
Calculate the final number when it changes by a percentage
20% less than 85
a
68
b
37
c
65
d
82
e
61
f
85
7
Calculate the final number when it changes by a percentage
20% less than 15
a
13
b
7
c
11
d
10
e
12
f
14