Section 5-4 Fractions and decimals pages Standard: Number Sense and Operation Indicator: N7 (5-3) and N3: Show rational numbers can be expressed as terminating or repeating decimals

Terminating (ending) Decimals  1/4 means 1÷ 4 = 0.25  5/32 means 5 ÷ 32 =

Repeating Decimals (use bar notation)  1 1 1 1/3 means 1÷ 3 = … = 0.3 8888 1/33 means 8 + (1 ÷ 33) = … =8.03

Write a fraction from a decimal (Use placevalue foldable) WWWWrite the decimal part as a fraction out of 10, 100,1000,10000, etc. Then simplify 0000.23 = (simplified) 3333.8 = = 2*2*2 = 4 s so 3.8 = *5 5 5

Calculator Keys  Press decimal value3.8  Press 2’nd button  Press PRB (F D)  Press Enter =

 5-4/ 212 – 213/ 14 – 42 e, 47-50,54-57  On 49 & 50 show the ratio of prime factors  Quiz Tomorrow!!