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.

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Percent reduction of a number (10% multiples) Worksheet

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Percent reduction of a number (10% multiples)
1
Calculate the final number when it changes by a percentage
90% less than 60
a
5
b
4
c
9
d
8
e
6
f
3
2
Calculate the final number when it changes by a percentage
40% less than 70
a
23
b
61
c
38
d
21
e
42
f
27
3
Calculate the final number when it changes by a percentage
90% less than 90
a
10
b
8
c
6
d
11
e
9
f
13
4
Calculate the final number when it changes by a percentage
40% less than 60
a
45
b
49
c
41
d
40
e
36
f
50
5
Calculate the final number when it changes by a percentage
40% less than 90
a
27
b
46
c
54
d
51
e
41
f
68
6
Calculate the final number when it changes by a percentage
50% less than 40
a
12
b
22
c
20
d
13
e
17
f
27
7
Calculate the final number when it changes by a percentage
40% less than 100
a
69
b
60
c
87
d
72
e
36
f
84
8
Calculate the final number when it changes by a percentage
70% less than 100
a
33
b
27
c
38
d
30
e
35
f
44