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Section 5-4 Fractions and decimals pages 210 - 213 Standard: Number Sense and Operation Indicator: N7 (5-3) and N3: Show rational numbers can be expressed as terminating or repeating decimals

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Terminating (ending) Decimals 1/4 means 1÷ 4 = 0.25 5/32 means 5 ÷ 32 = 0.15625

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Repeating Decimals (use bar notation) 1 1 1 1/3 means 1÷ 3 = 0.3333… = 0.3 8888 1/33 means 8 + (1 ÷ 33) = 8 +.0303… =8.03

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Write a fraction from a decimal (Use placevalue foldable) WWWWrite the decimal part as a fraction out of 10, 100,1000,10000, etc. Then simplify 0000.23 = 2 23 100 (simplified) 3333.8 = 3 + 8 10 8 = 2*2*2 = 4 s so 3.8 = 3 4 10 2*5 5 5

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

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

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