Percent reduction of a number (10% multiples) (Level 1)

This math topic focuses on calculating the decrease of a number by a certain percentage, specifically in multiples of 10%, such as 10%, 20%, and 30%. The problems ask to compute the final value after reducing given numbers by these specified percentages. The questions are a part of an introductory unit on percentages and are designed to develop computational skills involving basic reductions by percentages. Each problem is presented with multiple choice answers, enhancing problem-solving abilities in percentage calculations.

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

Percent reduction of a number (10% multiples) Worksheet

Math worksheet on 'Percent reduction of a number (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 number when it changes by a percentage

10% less than 100

a

108

b

95

c

59

d

90

e

86

f

81

2

Calculate the final number when it changes by a percentage

30% less than 10

a

7

b

6

c

4

d

5

e

10

f

8

3

Calculate the final number when it changes by a percentage

10% less than 10

a

8

b

9

c

13

d

5

e

7

f

12

4

Calculate the final number when it changes by a percentage

30% less than 60

a

57

b

42

c

23

d

53

e

36

f

27

5

Calculate the final number when it changes by a percentage

20% less than 40

a

37

b

45

c

46

d

29

e

40

f

32

6

Calculate the final number when it changes by a percentage

10% less than 40

a

31

b

18

c

47

d

40

e

20

f

36

7

Calculate the final number when it changes by a percentage

10% less than 90

a

117

b

113

c

45

d

77

e

65

f

81