1. Decimals and Fractions

2. Decimals
0.28
tenths
hundredths
0.675
tenths
hundredths
thousandths

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

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

5. Decimals to Fractions
How might we convert into a fraction?

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

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

8. 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

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

10. 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

11. Activity
Exercise 4.1 Page 39.