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Published bySimon Chase Modified over 7 years ago

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Step 1 - Place the percent over ______. Step 2 - ________ the fraction to a proper fraction or mixed numeral in lowest terms. 100 REDUCE Example 1 - Change 20% to a fraction 20% = Example 2 - Change 125% to a fraction 125% =

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Step 1 - Change the ___________ to a __________. (Divide the numerator by the denominator) Step 2 - Move the decimal point ____ places to the _______. FRACTION DECIMAL RIGHT Example 3 - Change to a percent. = __________ = __________%

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Step 1 - Move the decimal point _____ places to the _________. Example 4 - Change 0.815 to a percent 0.815 = _______% RIGHT

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Step 1 - Move the decimal point ____ places to the _______. (If there is no decimal point, it goes at the right of the last number in the percent) Example 5 - Change 315% to a decimal 315% = ________ LEFT

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EVERY percent problem has an ___, an ____, and a percent in it. Since percent means “PER HUNDRED” we can solve every percent problem using the ratio ISOF

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Example 6 – What is 30% of 50.

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YOUR TURN: 1.) 10 is what percent of 18?2.) 5 is 20% of what number?

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3.) Find 75% of 25. 4.) 9 is 45% of what number?

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Homework: p. 174 #7-45 odd

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