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

This math topic focuses on calculating the percent reduction of a number by multiples of 10%, serving as an introductory concept to percentages. The problems require understanding how to decrease a given number by 10%, 20%, or 30%, and identifying the resulting value from a set of multiple-choice answers. Each question provides initial guidance by mentioning the value of 10% of the number, which reinforces the computation concept of finding a percentage of a given number.

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

Percent reduction of a number (10% multiples) - Concept Intro Worksheet

Math worksheet on 'Percent reduction of a number (10% multiples) - Concept Intro (Level 1)'. Part of a broader unit on 'Percentages - Tax, Tips, and Discounts' Learn online: app.mobius.academy/math/units/percentages_tax_tips_discounts/

1

10% of 60 is 6. What is 30% less than 60

Calculate the final number when it changes by a percentage

a

21

b

29

c

61

d

57

e

46

f

42

2

10% of 50 is 5. What is 30% less than 50

Calculate the final number when it changes by a percentage

a

33

b

19

c

49

d

35

e

44

f

28

3

10% of 100 is 10. What is 20% less than 100

Calculate the final number when it changes by a percentage

a

92

b

88

c

100

d

60

e

80

f

48

4

10% of 40 is 4. What is 30% less than 40

Calculate the final number when it changes by a percentage

a

18

b

21

c

36

d

28

e

17

f

38

5

10% of 40 is 4. What is 20% less than 40

Calculate the final number when it changes by a percentage

a

46

b

24

c

30

d

35

e

32

f

21

6

10% of 80 is 8. What is 20% less than 80

Calculate the final number when it changes by a percentage

a

64

b

93

c

58

d

83

e

86

f

32

7

10% of 20 is 2. What is 20% less than 20

Calculate the final number when it changes by a percentage

a

16

b

11

c

9

d

23

e

22

f

17