Percent change in a growing number (10%) - Concept Intro (Level 2)

This math topic focuses on calculating percentage change, specifically focusing on practicing a 10% growth situation. Students are provided with scenarios where an initial number is increased by 10%, and they must calculate the percentage by which the number has been increased. Each problem involves simple arithmetic and understanding the concept of 10% growth and its implications on the new value, reinforcing an understanding of basic percentages, a foundational element in introductory percentage studies.

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

Percent change in a growing number (10%) - Concept Intro Worksheet

Math worksheet on 'Percent change in a growing number (10%) - Concept Intro (Level 2)'. 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 90 is 9 What is the % change if 90 grows to 99

What percent did the number change by?

a

20%

b

12%

c

10%

d

-10%

e

18%

f

28%

2

10% of 50 is 5 What is the % change if 50 grows to 55

What percent did the number change by?

a

5%

b

30%

c

10%

d

14%

e

1%

f

11%

3

10% of 70 is 7 What is the % change if 70 grows to 77

What percent did the number change by?

a

4%

b

-10%

c

20%

d

50%

e

5%

f

10%

4

10% of 100 is 10 What is the % change if 100 grows to 110

What percent did the number change by?

a

50%

b

10%

c

-10%

d

11%

e

19%

f

27%

5

10% of 60 is 6 What is the % change if 60 grows to 66

What percent did the number change by?

a

7%

b

-20%

c

40%

d

50%

e

10%

f

0%

6

10% of 80 is 8 What is the % change if 80 grows to 88

What percent did the number change by?

a

40%

b

10%

c

22%

d

20%

e

30%

f

-20%