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Operations and Rational Numbers (Fractions)
Chapter Page 119 Operations and Rational Numbers (Fractions) You make use your calculator
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or Lesson 3.1 Page 123 Writing fractions as decimals
divide Write 7/8 as a decimal 0.875 or . 875
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Write each fraction as a decimal 1a. 4/5 1b. 3/16
.8 .1875
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1/6 = = .16 Decimal and Bar Notation .35 12.68
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5/12 = = .416 -2/11 = = - .18 - 5/6 = 7/9 =
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Page 124 Study Concept Summary Chart
It is helpful to memorize these fraction-decimals equivalents 1/2 = /3 = /4 = /5 = /10 = /100 = .01 2/3 = /4 = /5 = /5 = /5 = /6 = .83
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< > = Page 125 Compare fractions and decimals Example 4 STUDY!
Draw a number line if needed. The number on the right is larger 1/ < > = Change the fraction to a decimal to make the sentence true 1/4 = .25 .25 is greater than .20 so 1/4 > .2
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- 5/ /9 change to decimal graph number line if needed
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Page 125 Try Guided Practice
4b / /12 < > =
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Questions?
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Assignment Pages 126 - 127 write problem and answer
Problems , , , , , Page
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Pages 126 - 127 answers for even problems
8. > 10. <
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42. = 44. > 46. < Page 127 answers to even problems 30. =
30. = 32. < 34. > 36. > 42. = 44. > 46. < /7 -3/11 50.
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6 1/6 = 4 2/3 = Lesson 3.2 Page 130 Rational Numbers
Example 1 Write rational number as a fraction (mix number to improper fraction) 6 1/6 = 4 2/3 =
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Page 131 Write .64 as a fraction (Look and count decimals) Reduce
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Always put a Repeating Decimal over 9 when changing to a fractions
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Always put a repeating decimal over 9
Then reduce
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Pages
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Monday we reviewed how to write inequalities for
rational numbers
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Page 126 8 9 10 11 12 13
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Page 132 1 2 3 4 5 6
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