Do Now How can you change from a percent to a decimal to a fraction? Turn in your Extra Credit homework (Bin on the Front Table!) How can you change from a percent to a decimal to a fraction? Try these….. 50% 65% 120%

Changing a Percent to a Decimal Divide by 100. This will move the decimal two places to the left. Examples: 30% 55% 160%

Change a decimal to a Percent Multiply the decimal by 100. This will move the decimal two spaces the right. Examples: 0.67 0.452 1.27

Changing a Percent to a Fraction Percents are always based out of 100. Place the percent over 100 and reduce! Examples: 45% 125% 80% 0.05% 25.5%

Changing a Fraction to a Percent Scale up to 100 or divide the numerator by the denominator. Example:

Activity 1 Use your notes to complete the following page (front and back)

Activity 2 Let’s try it again…

Benchmark Fractions

Activity 1

Activity 1 (continued)

Activity 2

Activity 3

On your own

Example 1

Example 2

On your Own

Example 3

Wrapping it up… 25% = 0.25 13.5% = 0.135 2% = 0.02 3.5% = 0.035 0.2% = 0.002 Do You see a pattern from the percent to the decimal??? Do You see a pattern from the decimal to the percent?

Key idea Changing a Percent to a Fraction 1) Use Benchmarks (see table) 2) Scale up to 100, 100, etc Ex: 3) Use proportions