Skills practice 9 handout (1 – 12) odd and 13 – 22 (all)

“Using Percent” Goals: To convert fractions and decimals to percent (and vice versa) To solve equations involving percent

To divide any number by 100, you can move the decimal two places 0.35 0.00073

Percent The ratio of a number to 100. Can be converted to a fraction or to a decimal.

Write as a decimal: 35% = 0.35

Write as a decimal: 5% = 0.05

Write as a decimal: 137% = 1.37

Write as a decimal: 0.5% = 00000 0.005

Write as a decimal: 0.023% = 0.00023 00000023

Write as a decimal: 100% = 1

Write as a fraction: 29% =

Write as a fraction: 14% =

Write as a fraction: 37.5% = •10 ÷25 Cannot leave fractions or decimals in fractions

Write as a percent: Cross-product 

Write as a percent: Cross-product 

Write as a percent: Step 1: Convert to decimal Step 2: Move decimal 2 places

Write as a percent: Step 1: Convert to decimal Step 2: Move decimal 2 places

Write as a percent: Step 1: Convert to decimal Step 2: Move decimal 2 places

Write as a percent: Step 1: Convert to decimal Step 2: Move decimal 2 places

Write as a percent: Step 1: Convert to decimal Step 2: Move decimal 2 places

15% of 60 is what number? 0.15 • 60 = x 9 = x

25% of what number is 15 .25 • x = 15

30% of what number is 27

What is 20% of 45

24 is what percent of 120 24 = • 120 2400 = 120x 20 %

What percent of 80 equals 32?

What percent of 30 equals 66?

12% of 40 is what number?

35% of what number equals 1.4?

Assignment: Page 156 1 – 36 (even) and 45 - 50

Solve: Write as a decimal: 2) 60% 4) 1% 6) 180% 8) 0.6% 10) 2.8% Express as a percent (round to tenth): Solve: