Fractions Decimals Percents

Question 1

How to multiply by 10%

Answer 1

Divide by 10

Question 2

How to multiply by 5%

Answer 2

Divide by 20 or by 10 and then 2

Question 3

How to multiply by 1%

Answer 3

Divide by 100

Question 4

How to multiply by 50%

Answer 4

Divide by 2

Question 5

How to multiply by 25%

Answer 5

Divide by 4 (divide by two twice)

Question 6

How to multiply by 1%

Answer 6

Move decimal two spots to the left

Question 7

How to multiply by 12.5%

Answer 7

Divide number by 8 (divide by four then by two)

Question 8

How to multiply by 2.5%

Answer 8

It’s 1/40, so divide by ten by moving decimal point one spot to the left and then dividing by 4

Question 9

How to multiply by 0.5%

Answer 9

It’s 1/200, so divide by 100 by moving decimal two spots to the left and then dividing by 2

Question 10

How to multiply by .01%

Answer 10

That’s 1/10000 so move decimal point four spots to the left

Question 11

How to multiply by 33.3%

Answer 11

Divide by three

Question 12

How to multiply by 16.6%

Answer 12

It’s 1/6, so divide by three and then by two