Ratio, Portion, and Percent

A PERCENT is . . .

• a special fraction that can be out of 10, 100, 200 or 1000

• a part-to-whole ratio that is out of 100

• a part-to-part ratio that is out of 100

• a special decimal that is equal to 100

What percent is shaded?

• 100%

• 28%

• 38%

• 32%

What portion is shaded?

This time be sure to simplify the fraction!

• 62%

  0.62

  62/100 = 31/50

• 32%

  0.32

  32/100 = 16/50 =

  8/25

• 42%

  0.42

  42/100 = 21/50

• 52%

  0.52

  52/100 = 13/25

Convert 0.06 to a percent and a simplest form fraction.

• 6%

  6/100

• 60%

  3/5

• 6%

  3/5

• 6%

  3/50

Convert 0.055 to a percent and a simplest form fraction.

• 55%

  11/20

• 5.5%

  11/200

• 5.5%

  5.5/100

• 55%

  55/100

• 15%

  0.15

• 3%

  0.03

• 3%

  0.30

• 20%

  0.20

• 6%

  0.60

• 25%

  0.25

• 150%

  1.50

• 24%

  0.24

What percent is shaded?

• 50%

• 25%

• 40%

• 20%

What percent is shaded?

• 68%

• 65%

• 32%

• 52%

Convert 0.22 to a percent and a simplest form fraction.

• 22%

  11/50

• 2.2%

  2.2/100

• 220%

  11/5 = 2 1/5

• 22%

  22/100