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Skill 1.3

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  • Did we change the area at all as we cut up the square?\n
  • Did we change the area at all as we cut up the square?\n
  • Did we change the area at all as we cut up the square?\n
  • Did we change the area at all as we cut up the square?\n
  • Did we change the area at all as we cut up the square?\n
  • Did we change the area at all as we cut up the square?\n
  • Did we change the area at all as we cut up the square?\n
  • Did we change the area at all as we cut up the square?\n
  • Did we change the area at all as we cut up the square?\n
  • How do we turn 2/9 into /36?\n
  • How do we turn 2/9 into /36?\n
  • How do we turn 2/9 into /36?\n
  • How do we turn 2/9 into /36?\n
  • How do we turn 2/9 into /36?\n
  • How do we turn 2/9 into /36?\n
  • How do we turn 2/9 into /36?\n
  • How do we turn 2/9 into /36?\n
  • How do we turn 2/9 into /36?\n
  • How do we turn 2/9 into /36?\n
  • How do we turn 2/9 into /36?\n
  • How do we turn 2/9 into /36?\n
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  • Discuss with a friend or neighbor or the inside of your own head what fraction is shaded here. (Lots of kids suggest 1/9.)\n
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  • Discuss with a friend or neighbor or the inside of your own head what fraction is shaded here.\n
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  • Can I divide anything out of the top and bottom?\n
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  • Transcript

    • 1. Skill 1.3 - Add and Subtract Fractions 1/19/2011 Do Now1) 7 - (-7) You only have 3 minutes so get started2) (4)(7)3) 40 / -2
    • 2. Skill 1.3 - Add and Subtract Fractions 1/19/2011 Do Now1) 7 - (-7) You only have 3 minutes so get started2) (4)(7)3) 40 / -2
    • 3. Mike
    • 4. MikeChip
    • 5. MikeChip Chancz
    • 6. Mike DewayneChip Chancz
    • 7. Mike DewayneChip Chancz
    • 8. Mike DewayneChip Chancz
    • 9. Mike Dewayne RavenChip Chancz
    • 10. Mike Dewayne RavenChip Chancz
    • 11. Mike Dewayne RavenChip Chancz
    • 12. How do we get Olivia a fair amount?
    • 13. How do we get Olivia a fair amount? Lets use Math!
    • 14. 14
    • 15. 15
    • 16. 120
    • 17. ==
    • 18. =14 =
    • 19. =1 14 5 =
    • 20. - = -1 14 5 =
    • 21. - = -1 1 14 5 = 20
    • 22. Fractions
    • 23. Fractions
    • 24. Fractions
    • 25. Fractions
    • 26. Fractions 1 4 €
    • 27. Fractions 1 4 €
    • 28. Fractions 1 4 = 4 16 €€
    • 29. Fractions 1 4 = 4 16 €€
    • 30. Fractions 1 4 = = 4 16 64 €€ €
    • 31. Fractions 1 4 16 = = 4 16 64 € €€ €
    • 32. Fractions
    • 33. Fractions
    • 34. Fractions
    • 35. Fractions 1 9 €
    • 36. Fractions
    • 37. Fractions 2 9 €
    • 38. Fractions 2 9 €
    • 39. Fractions 2 9 €
    • 40. Fractions 2 9 2 1 + = 9 36 € €
    • 41. Fractions 2 9 2 1 + = 9 36 € 8 1 + = 36 36 €
    • 42. Fractions 2 9 2 1 + = 9 36 € 8 1 9 + = 36 36 36 €
    • 43. Fractions 2 9 2 1 + = 9 36 € 8 1 9 1 + = = 36 36 36 4 €
    • 44. Fractions
    • 45. Fractions
    • 46. Fractions
    • 47. Fractions
    • 48. Fractions
    • 49. What fraction is shaded here?
    • 50. What fraction is shaded here?
    • 51. Here, I’ll make it easier
    • 52. Now, what fraction is shaded here? 1 8 €
    • 53. Now, what fraction is shaded here? 1 8 €
    • 54. Is that easier? 1 8 €
    • 55. Now, let us solve a math problem 1 8 €
    • 56. Now, let us solve a math problem 1 8 €
    • 57. Now, let us solve a math problem 1 8 €
    • 58. Now, let us solve a math problem 1 3 + = 8 16 €€
    • 59. Now, let us solve a math problem 1 3 + = 8 16 2 3 + = 16 16 €€ €
    • 60. Now, let us solve a math problem 1 3 + = 8 16 2 3 5 + = 16 16 16 €€ € €
    • 61. More Fractions
    • 62. More Fractions
    • 63. More Fractions
    • 64. More Fractions
    • 65. Fractions - Same Denominator
    • 66. Fractions - Same Denominator 1. 4 2 + = 7 7 €
    • 67. Fractions - Same Denominator 1. 4 2 6 + = 7 7 7 € €
    • 68. Fractions - Same Denominator 1. 4 2 6 + = 7 7 7 4 2 2. + = € 9 9 € €
    • 69. Fractions - Same Denominator 1. 4 2 6 + = 7 7 7 4 2 2. + = € 9 9 € 7 5 3. + = € 10 10 €
    • 70. Fractions - Same Denominator 1. 4 2 6 + = 7 7 7 4 2 2. + = € 9 9 € 7 5 3. + = € 10 10 7 5 4. − = € 10 10
    • 71. Fractions - Same Denominator 1. 4 2 6 + = 7 7 7 4 2 2. + = € 9 9 € 7 5 3. + = € 10 10 7 5 4. − = € 10 10
    • 72. Fractions - Same Denominator 1. 4 2 6 5. 2 12 + = + = 7 7 7 13 13 4 2 2. + = € 9 9 € € 7 5 3. + = € 10 10 7 5 4. − = € 10 10
    • 73. Fractions - Same Denominator 1. 4 2 6 5. 2 12 + = + = 7 7 7 13 13 4 2 2 12 2. + = 6. − = € 9 9 € € 13 13 7 5 3. + = € 10 10 € 7 5 4. − = € 10 10
    • 74. Fractions - Same Denominator 1. 4 2 6 5. 2 12 + = + = 7 7 7 13 13 4 2 2 12 2. + = 6. − = € 9 9 € € 13 13 7 5 14 4 3. + = 7. − = € 10 10 € 50 50 7 5 4. − = € 10 10 €
    • 75. Fractions - Same Denominator 1. 4 2 6 5. 2 12 + = + = 7 7 7 13 13 4 2 2 12 2. + = 6. − = € 9 9 € € 13 13 7 5 14 4 3. + = 7. − = € 10 10 € 50 50 7 5 12 13 4. − = 8. + = € 10 10 € 25 25
    • 76. Fractions - Same Denominator 1. 4 2 6 5. 2 12 + = + = 7 7 7 13 13 4 2 6 2 12 2. + = 6. − = € 9 9 € 9 € 13 13 7 5 14 4 3. + = 7. − = € 10 10 € € 50 50 7 5 12 13 4. − = 8. + = € 10 10 € 25 25
    • 77. Fractions - Same Denominator 1. 4 2 6 5. 2 12 + = + = 7 7 7 13 13 4 2 6 2 2 12 2. + = 6. − = € 9 9 € 9 3€ 13 13 7 5 14 4 3. + = 7. − = € 10 10 € € € 50 50 7 5 12 13 4. − = 8. + = € 10 10 € 25 25
    • 78. Fractions - Same Denominator 1. 4 2 6 5. 2 12 + = + = 7 7 7 13 13 4 2 6 2 2 12 2. + = 6. − = € 9 9 € 9 3€ 13 13 7 5 12 14 4 3. + = 7. − = € 10 10 10 € € € 50 50 7 5 12 13 4. − = 8. + = € 10 10 € € 25 25
    • 79. Fractions - Same Denominator 1. 4 2 6 5. 2 12 + = + = 7 7 7 13 13 4 2 6 2 2 12 2. + = 6. − = € 9 9 € 9 3€ 13 13 7 5 12 6 14 4 3. + = 7. − = € 10 10 10 € € 5€ 50 50 7 5 12 13 4. − = 8. + = € 10 10 € € € 25 25
    • 80. Fractions - Same Denominator 1. 4 2 6 5. 2 12 + = + = 7 7 7 13 13 4 2 6 2 2 12 2. + = 6. − = € 9 9 € 9 3€ 13 13 7 5 12 6 14 4 3. + = 7. − = € 10 10 10 € € 5€ 50 50 7 5 2 12 13 4. − = 8. + = € 10 10 10 € € € 25 25
    • 81. Fractions - Same Denominator 1. 4 2 6 5. 2 12 + = + = 7 7 7 13 13 4 2 6 2 2 12 2. + = 6. − = € 9 9 € 9 3€ 13 13 7 5 12 6 14 4 3. + = 7. − = € 10 10 10 € € 5€ 50 50 7 5 2 1 12 13 4. − = 8. + = € 10 10 10 € € 5€ 25 25
    • 82. Fractions - Same Denominator 1. 4 2 6 5. 2 12 14 + = + = 7 7 7 13 13 13 4 2 6 2 2 12 2. + = 6. − = € 9 9 € 9 3€ 13€ 13 7 5 12 6 14 4 3. + = 7. − = € 10 10 10 € € 5€ 50 50 7 5 2 1 12 13 4. − = 8. + = € 10 10 10 € € 5€ 25 25
    • 83. Fractions - Same Denominator 1. 4 2 6 5. 2 12 14 + = + = 7 7 7 13 13 13 4 2 6 2 2 12 −10 2. + = 6. − = € 9 9 € 9 3€ 13€ 13 13 7 5 12 6 14 4 3. + = 7. − = € 10 10 10 € € 5€ 50 50 € 7 5 2 1 12 13 4. − = 8. + = € 10 10 10 € € 5€ 25 25
    • 84. Fractions - Same Denominator 1. 4 2 6 5. 2 12 14 + = + = 7 7 7 13 13 13 4 2 6 2 2 12 −10 2. + = 6. − = € 9 9 € 9 3€ 13€ 13 13 7 5 12 6 14 4 10 3. + = 7. − = € 10 10 10 € € 5€ 50 50 € 50 7 5 2 1 12 13 4. − = 8. + = € 10 10 10 € € 5€ 25 25 €
    • 85. Fractions - Same Denominator 1. 4 2 6 5. 2 12 14 + = + = 7 7 7 13 13 13 4 2 6 2 2 12 −10 2. + = 6. − = € 9 9 € 9 3€ 13€ 13 13 7 5 12 6 14 4 10 1 3. + = 7. − = € 10 10 10 € € 5€ 50 50 € 50 5 7 5 2 1 12 13 4. − = 8. + = € 10 10 10 € € 5€ 25 25 € €
    • 86. Fractions - Same Denominator 1. 4 2 6 5. 2 12 14 + = + = 7 7 7 13 13 13 4 2 6 2 2 12 −10 2. + = 6. − = € 9 9 € 9 3€ 13€ 13 13 7 5 12 6 14 4 10 1 3. + = 7. − = € 10 10 10 € € 5€ 50 50 € 50 5 7 5 2 1 12 13 25 4. − = 8. + = € 10 10 10 € € 5€ 25 25 € 25 €
    • 87. Fractions - Same Denominator 1. 4 2 6 5. 2 12 14 + = + = 7 7 7 13 13 13 4 2 6 2 2 12 −10 2. + = 6. − = € 9 9 € 9 3€ 13€ 13 13 7 5 12 6 14 4 10 1 3. + = 7. − = € 10 10 10 € € 5€ 50 50 € 50 5 7 5 2 1 12 13 25 4. − = 8. + = 1 € 10 10 10 € € 5€ 25 25 € 25 €
    • 88. Fractions - Different Denominators 1 2 - = 7 9
    • 89. Fractions - Different Denominators 1 x9 2 - = 7 x9 9
    • 90. Fractions - Different Denominators 1 x9 2 x7 - = 7 x9 9 x7
    • 91. Fractions - Different Denominators 1 x9 2 x7 - = 7 x9 9 x7 9 - 63
    • 92. Fractions - Different Denominators 1 x9 2 x7 - = 7 x9 9 x7 9 14 - 63 63
    • 93. Fractions - Different Denominators 1 x9 2 x7 - = 7 x9 9 x7 9 14 - = 63 63
    • 94. Fractions - Different Denominators 1 x9 2 x7 - = 7 x9 9 x7 9 14 -5 - = 63 63 63
    • 95. Fractions - Different Denominators 1 x9 2 x7 - = 7 x9 9 x7 9 14 -5 - = 63 63 63
    • 96. Fractions - Different Denominators 7 2 - = 9 6
    • 97. Fractions - Different Denominators 7 x2 2 - = 9 x2 6
    • 98. Fractions - Different Denominators 7 x2 2 x3 - = 9 x2 6 x3
    • 99. Fractions - Different Denominators 7 x2 2 x3 - = 9 x2 6 x3 14 - 18
    • 100. Fractions - Different Denominators 7 x2 2 x3 - = 9 x2 6 x3 14 6 - 18 18
    • 101. Fractions - Different Denominators 7 x2 2 x3 - = 9 x2 6 x3 14 6 8 - = 18 18 18
    • 102. Fractions - Different Denominators 7 x2 2 x3 - = 9 x2 6 x3 14 6 8 ÷2 - = 18 18 18 ÷ 2
    • 103. Fractions - Different Denominators 7 x2 2 x3 - = 9 x2 6 x3 14 6 8 ÷2 4 - = = 18 18 18 ÷ 2 9
    • 104. Fractions - Different Denominators 7 x2 2 x3 - = 9 x2 6 x3 14 6 8 ÷2 4 - = = 18 18 18 ÷ 2 9
    • 105. Independent Work Time
    • 106. Independent Work Time

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