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Changing fractions to decimals

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Changing fractions to decimals

  1. 1. Do Now - 11/17 Find the LCM of the following expressions. 3x2 y and 12xy
  2. 2. Agenda Wednesday, Nov. 17 Homework Check homework 6 p. 244 # 1 - 15 Please be sure to have the number of people attending your Thanksgiving meal, you menu and grocery list for tomorrow. 5-2 Writing fractions as decimals
  3. 3. HW CHECK p. 239 # 3 - 17, 22 - 30, 41 - 46 3. 12, 20 LCM = 60 4. 5, 9 LCM = 45 5. 10, 36 LCM = 180 6. 7, 12 LCM = 84 7. 5, 6 LCM = 30 8. 5, 6 ,7 LCM = 210 9. in 21 days (LCM of 3 & 7) 10. 20, 36 LCM = 180 11. 15, 27 LCM = 135 12. 8, 14, 20 LCM = 280 13. 5, 12, 15 LCM = 60 14. 12x, 40y LCM = 120xy 15. 8x, 25y LCM =200xy 16. 2b2 , 6c3 LCM =6b2 c3 17 . 6a3 , 8a LCM = 24a3 22 . 23. 24. 25.
  4. 4. HW CHECK p. 239 # 3 - 17, 22 - 30, 41 - 46 26. Maria, 27. 28. 29. 30. 41. 45, 120, 150 LCM = 1,800 42. 2, 5, 12, 15 LCM = 60 43. 12x, 40 LCM = 120x 44. 7ab, 8a3 b2 , 10a4 LCM = 280a4 b2 45 . 8x, 18xy LCM = 72xy 46. 9b3 , 12bc2 LCM= 36b3 c2
  5. 5. lowest common denominator is the same as least common multiple
  6. 6. To express a fraction as a decimal, divide the numerator by the denominator. Write as a decimal. means 3 ÷ 4. The fraction can be written as 0.75, since 3 ÷ 4 = 0.75. Next
  7. 7. Denominator and the numerator. 3 Numerator 4 Denominator 34
  8. 8. 1 Write each fraction as a decimal. 2 / 5
  9. 9. 2 Write each fraction as a decimal. Round to the nearest ten thousandths if necessary. - 4 3/ 1 0
  10. 10. 4 9 1 10 5 11 11 20 4 5 5 8 0.8 0.45 0.1 0.55 0.625 0.4 Match fractions and decimals

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