Decimals and Fractions

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Presentation transcript:

Decimals and Fractions

Decimals 0.28 tenths hundredths 0.675 tenths hundredths thousandths

Decimals to Fractions How might we convert 0.28 into a fraction?

Decimals to Fractions How might we convert 0.28 into a fraction? 0.28 = 28 = 100 14 = 50 7 25

Decimals to Fractions How might we convert 0.675 into a fraction?

Decimals to Fractions How might we convert 0.675 into a fraction? 0.675 = 675 = 1000 135 = 200 27 40

Fractions to Decimals How might we convert 71 into a decimal? 125

Fractions to Decimals How might we convert 71 into a decimal? 125 Method 1: Find an equivalent fraction with a denominator of 10, 100, 1000, … 71 = 125 142 = 250 284 = 500 568 = 1000 0.568

Fractions to Decimals How might we convert 7 into a decimal? 8

Fractions to Decimals How might we convert 7 into a decimal? 8 Method 2: Divide the numerator by the denominator. 0. 8 7 5 8 7 7 .0 6 4

Activity Exercise 4.1 Page 39.