Ratio, Portion, and Percent

Convert 2.7 to a percent and a simplest form fraction.

• 27%

  27/100

• 0.27%

  27/1000

• 2.7%

  27/1000

• 270%

  27/10 = 2 7/10

What portion is shaded?

• 110%

  1.10

  110/200

• 110%

  1.10

  110/100

What portion is shaded? This time be sure to simplify the fraction!

• 120%

  1.20

  120/200 = 3/5

• 125%

  1.25

  125/100 = 5/4 = 1 1/4

• 120%

  1.20

  120/100 = 6/5 = 1 1/5

• 125%

  1.25

  125/200 = 5/8

What portion is shaded?

This time be sure to simplify the fraction!

• 210%

  2.1

  210/100 = 21/10 =

  2 1/10

• 310%

  3.1

  310/100 = 31/10 =

  3 1/10

• 210%

  210/300 = 21/30 =

  7/10

• 210%

  210/200 = 21/20 =

  1 1/20

• 54%

  0.54

• 125%

  1.25

• 154%

  1.54

• 114%

  1.14

• 66%

  0.66

• 166%

  1.66

• 132%

  1.32

• 150%

  1.5

A proportion where one ratio compares part of a quantity to the whole quantity and the other ratio is the equivalent percent.

• Percent Equation

• Ratio

• Percent Proportion

• Markup

Used to find proportions or ratios of different numbers

• Percent Equation

• Percent proportion

• Ratio

• Percent

How much an amount increases or decreases

• Percent Error

• Percent Change

• Simple Interest

• Percent

Write 1/2 as a percent.