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Conversion of Percents, Decimals, and Fractions

Conversion of Percents, Decimals, and Fractions. FUN! FUN! FUN!. Decimals to Percents. Move the decimal point 2 places to the right Example 0.63 = 63.% 1.23 = 123.% 0.02 = 2.% 0.456 = 45.6%. Percents to Decimals. Move the decimal point 2 places to the left Example 64.% = 0.64

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Conversion of Percents, Decimals, and Fractions

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  1. Conversion of Percents, Decimals, and Fractions FUN! FUN! FUN!

  2. Decimals to Percents • Move the decimal point 2 places to the right • Example • 0.63 = 63.% • 1.23 = 123.% • 0.02 = 2.% • 0.456 = 45.6%

  3. Percents to Decimals • Move the decimal point 2 places to the left • Example • 64.% = 0.64 • 123.% = 1.23 • 1.5% = 0.015 • 45% = 0.45

  4. Decimals to Fractions • Read the decimal • The number is the numerator • The place value is the denominator • Example • 0.64 = 64/100 • 1.23 = 1 23/100 • 0.036 = 36/1,000 • 0.0006 = 6/10,000

  5. Fractions to Decimals • If the denominator is 10, 100, 1,000, 10,000 or any other multiple of ten. . . • The numerator is the number • The denominator is the place value position where you put the number • If you can change the denominator to a multiple of ten, make the equivalent fraction with the denominator a multiple of ten. • Do the same steps as above

  6. Fractions to Decimals • If the denominator is not a multiple of ten or you cannot change it easily . . • FOOTBALL PILE UP! • Numerator goes in the house and the denominator is outside the house

  7. Fractions to Percents • Change the fraction to a decimal • Move the decimal point 2 places to the right

  8. Percents to Fractions • Write the percent as the numerator • Do this only if the percent is under 99 • If the percent is over 99, the hundreds place is the whole number of the fraction • Write 100 as the denominator • Reduce/Simplify • Example • 99% = 99/100 • 41% = 41/100 • 316% = 3 16/100

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