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6.2 Converting Fractions , Decimals , and Percents

6.2 Converting Fractions , Decimals , and Percents. The student will a) investigate and describe fractions, decimals, and percents as ratios b) identify a given fraction, decimal, or percent from a representation

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6.2 Converting Fractions , Decimals , and Percents

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  1. 6.2Converting Fractions, Decimals, and Percents The student will a) investigate and describe fractions, decimals, and percents as ratios b) identify a given fraction, decimal, or percent from a representation c) demonstrate equivalent relationships among fractions, decimals, and percents d) compare and order fractions, decimals, and percents.

  2. 6.2 Directions: Fraction to decimal- Divide the numerator by the denominator Decimal to percent- Multiply by 100. Move decimal 2 places right. Percent to fraction -Percent is the numerator, 100 is denominator then simplify. Percent to decimal- divide by 100. Move decimal 2 places left. Decimal to fraction- Use place value ._ _ _ (tenths, hundredths, thousandths) SAY IT! WRITE IT! (last place value is denominator Foldable FRACTION DECIMAL PERCENT ¼.25 25% ½ .5 50% ¾ .75 75% 4/4 1 100% 1/5 .2 20% 2/5 .4 40% 3/5 .6 60% 4/5 .8 80% 5/5 1 100% 1/8 .125 12.5% 2/8= .25 25%

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  4. Comparing Fractions <, >, =, ≤, ≥ An old trick is to cross multiply. Or you can just covert to a decimal or a percent with a calculator. 5 8 7 8 3 2 3 33 2 66 Ordering Fractions, Decimals, and Percents 1. Convert F, D, and P to the same thing (either all decimal or all percent) Order as asked in question How do you determine the F, D, or P of a shaded shape? *You must divide it up yourself to determine the fraction shaded and then convert to decimal or percent as specified. Ex- What is the percentage shaded? ¼ is shaded. ¼ is .25 or 25%

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