Introduction to Percentages

Write the following fraction 18/100 as a percentage.

• 18%

• 180%

Write the following fraction 7/10 as a percentge.

• 7%

• 70%

Write the following fraction 2/5 as a percentage.

• 20%

• 40%

Write 45/100 as a percentage.

• 45%

• 4.5%

Write 25% as a decimal.

• 25.00

• 0.25

Write 80% as a decimal.

• 0.80

• 0.08

What percentage of the whole figure is shaded?

• 33%

• 35%

• 70%

• 73%

What percentage of the whole figure is shaded?

• 20%

• 32%

• 68%

• 78%

32 out of 100 parts are shaded. _____________ % of the whole figure is not shaded.

18 out of 100 = _____________ %