Decimals and Decimals and FractionsFractions

DecimalsDecimals

tenths hundredths

tenths

hundredths

thousandths

0.28

0.675

Decimals to FractionsDecimals to Fractions

How might we convert 0.28 into a fraction?

Decimals to FractionsDecimals to Fractions

How might we convert 0.28 into a fraction?

0.28 = 28 =100

14 = 50

725

Decimals to FractionsDecimals to Fractions

How might we convert 0.675 into a fraction?

Decimals to FractionsDecimals to Fractions

How might we convert 0.675 into a fraction?

0.675 = 675 =1000

135 = 200

2740

Fractions to DecimalsFractions to Decimals

How might we convert 71 into a decimal? 125

Fractions to DecimalsFractions to Decimals

How might we convert 71 into a decimal? 125

Method 1: Find an equivalent fraction with a denominator of 10, 100, 1000, …

142 = 250

71 =125

284 =500

568 =1000

0.568

Fractions to DecimalsFractions to Decimals

How might we convert 7 into a decimal? 8

Fractions to DecimalsFractions to Decimals

How might we convert 7 into a decimal? 8

Method 2: Divide the numerator by the denominator.

8 7

0.7.0

86 04 0

7 5

ActivityActivityExercise 4.1 Page 39.