Free Printable Doubling Your Money (Interest)

Worksheets

Name

Class

Date

When you are finding out how long money takes to double with simple interest, you divide ____________ by the interest rate number.

100

When you are finding out how long money takes to double with compound interest, you divide ____________ by the interest rate number.

100

Find the number of years necessary for an investment to double at the simple interest rate below (round to the nearest tenth of a year if needed):

5%

(a)

Find the number of years necessary for an investment to double at the simple interest rate below (round to the nearest tenth of a year if needed):

25%

(a)

Find the number of years necessary for an investment to double at the simple interest rate below (round to the nearest tenth of a year if needed):

2%

(a)

Find the number of years necessary for an investment to double at the simple interest rate below (round to the nearest tenth of a year if needed):

50%

(a)

Find the number of years necessary for an investment to double at the simple interest rate below (round to the nearest tenth of a year if needed):

15%

(a)

Find the number of years necessary for an investment to double at the simple interest rate below (round to the nearest tenth of a year if needed):

12%

(a)

Find the number of years necessary for an investment to double at the simple interest rate below (round to the nearest tenth of a year if needed):

10%

(a)

10.

Find the number of years necessary for an investment to double at the simple interest rate below (round to the nearest tenth of a year if needed):

4%

(a)

11.

Find the number of years necessary for an investment to double at the simple interest rate below (round to the nearest tenth of a year if needed):

1%

(a)

12.

Find the number of years necessary for an investment to double at the simple interest rate below (round to the nearest tenth of a year if needed):

40%

(a)

13.

Find the number of years necessary for an investment to double at the simple interest rate below (round to the nearest tenth of a year if needed):

8%

(a)

14.

Find the number of years necessary for an investment to double at the simple interest rate below (round to the nearest tenth of a year if needed):

11%

(a)

15.