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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  • Skill 1.3

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

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