4-1 Converting Fractions to Decimals

Convert to decimals• a) 25/100 = ________

• b) ½ (use long division)

• c) - 1/40 (use long division)

.25

.5

-.025

Convert to decimals – use your calculator

• a) ½ = _________

• b) 4½ = _________

TRY THIS ONE ON YOUR OWN!• c) - 5 2/9 = _________

4<abc>1<abc>2 to enter a mixed number into your calculator.To change a fraction to a decimal hit <2nd><PRB>

.5

4.5

-5.222…

Convert to fractions• a) .15 = ________• = ________

• b) .225 = ________• use your calculator

Enter the fraction 225 <abc> 1000< = >

= ________

15/1003/20

225/1000

9/40

Terminating & Repeating Decimals

• Terminating • Repeating

½ 1/3 ¼ 1/5 1/6 1/7 1/8 1/9 1/10 2/3 ¾ 2/5

5/6 2/7 5/7 3/8 2/9 7/9 3/10 3/5 6/7 5/8 4/9 8/9

Where do these belong?