4-7 Multiplying by One-Digit and Two-Digit Numbers

302 views
276 views

Published on

0 Comments
1 Like
Statistics
Notes
  • Be the first to comment

No Downloads
Views
Total views
302
On SlideShare
0
From Embeds
0
Number of Embeds
1
Actions
Shares
0
Downloads
11
Comments
0
Likes
1
Embeds 0
No embeds

No notes for slide
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • 4-7 Multiplying by One-Digit and Two-Digit Numbers

    1. 1. 4-7 Multiplying by One- Digit and Two-Digit Numbers Math Notes Number Sense 1.0
    2. 2. Find 28 x 12
    3. 3. Find 28 x 12 28x 12
    4. 4. Find 28 x 12 28 Break 12 into two addends.x 12
    5. 5. Find 28 x 12 28 Break 12 into two addends.x 12 10 2
    6. 6. Find 28 x 12 28 Break 12 into two addends. Multiply both by 28x 12 10 2
    7. 7. Find 28 x 12 28 Break 12 into two addends. Multiply both by 28x 12 28 28 x 10 x 2
    8. 8. Find 28 x 12 28 Break 12 into two addends. Multiply both by 28x 12 28 28 x 10 x 2 280
    9. 9. Find 28 x 12 28 Break 12 into two addends. Multiply both by 28x 12 28 28 1 x 10 x 2 280 6
    10. 10. Find 28 x 12 28 Break 12 into two addends. Multiply both by 28x 12 28 28 1 x 10 x 2 280 56
    11. 11. Find 28 x 12 28 Break 12 into two addends. Multiply both by 28x 12 28 28 1 x 10 x 2 280 56 Add280 + 56
    12. 12. Find 28 x 12 28 Break 12 into two addends. Multiply both by 28x 12 28 28 1 x 10 x 2 280 56 Add280 + 56 280 + 56 =
    13. 13. Find 28 x 12 28 Break 12 into two addends. Multiply both by 28x 12 28 28 1 x 10 x 2 280 56 Add280 + 56 280 + 56 = 336
    14. 14. OR Find 28 x 12 28 Break 12 into two addends. Multiply both by 28x 12 28 28 1 x 10 x 2 280 56 Add280 + 56 280 + 56 = 336
    15. 15. Find 28 x 12 28 x 12
    16. 16. Find 28 x 12 28 STEP ZERO:Use guidelinesto keep work x 12 neat.
    17. 17. Find 28 x 12 28 STEP ZERO:Use guidelinesto keep work x 12 neat.
    18. 18. Find 28 x 12 28 STEP ZERO: STEP ONE:Use guidelines Multiply byto keep work the ones. Regroup x 12 neat. if necessary.
    19. 19. Find 28 x 12 28 STEP ZERO: STEP ONE:Use guidelines Multiply byto keep work the ones. Regroup x 12 neat. if necessary.
    20. 20. Find 28 x 12 1 28 STEP ZERO: STEP ONE:Use guidelines Multiply byto keep work the ones. Regroup x 12 neat. if necessary. 6
    21. 21. Find 28 x 12 1 28 STEP ZERO: STEP ONE:Use guidelines Multiply byto keep work the ones. Regroup x 12 neat. if necessary. 6
    22. 22. Find 28 x 12 1 28 STEP ZERO: STEP ONE:Use guidelines Multiply byto keep work the ones. Regroup x 12 neat. if necessary. 56
    23. 23. Find 28 x 12 1 28 STEP ZERO: STEP ONE:Use guidelines Multiply byto keep work the ones. Regroup x 12 neat. if necessary. STEP TWO: Place a zero in the 56 ones place. (PLACEHOLDER) Scratch out previous work.
    24. 24. Find 28 x 12 1 28 STEP ZERO: STEP ONE:Use guidelines Multiply byto keep work the ones. Regroup x 12 neat. if necessary. STEP TWO: Place a zero in the 56 ones place. (PLACEHOLDER) Scratch out 0 previous work.
    25. 25. Find 28 x 12 1 28 STEP ZERO: STEP ONE:Use guidelines Multiply byto keep work the ones. Regroup x 12 neat. if necessary. STEP TWO: STEP THREE: Place a zero in the 56Multiply by the ones place.tens. Regroup (PLACEHOLDER) if necessary. Scratch out 0 previous work.
    26. 26. Find 28 x 12 1 28 STEP ZERO: STEP ONE:Use guidelines Multiply byto keep work the ones. Regroup x 12 neat. if necessary. STEP TWO: STEP THREE: Place a zero in the 56Multiply by the ones place.tens. Regroup (PLACEHOLDER) if necessary. Scratch out 0 previous work.
    27. 27. Find 28 x 12 1 28 STEP ZERO: STEP ONE:Use guidelines Multiply byto keep work the ones. Regroup x 12 neat. if necessary. STEP TWO: STEP THREE: Place a zero in the 56Multiply by the ones place.tens. Regroup (PLACEHOLDER) if necessary. Scratch out 80 previous work.
    28. 28. Find 28 x 12 1 28 STEP ZERO: STEP ONE:Use guidelines Multiply byto keep work the ones. Regroup x 12 neat. if necessary. STEP TWO: STEP THREE: Place a zero in the 56Multiply by the ones place.tens. Regroup (PLACEHOLDER) if necessary. Scratch out 80 previous work.
    29. 29. Find 28 x 12 1 28 STEP ZERO: STEP ONE:Use guidelines Multiply byto keep work the ones. Regroup x 12 neat. if necessary. STEP TWO: STEP THREE: Place a zero in the 56Multiply by the ones place.tens. Regroup (PLACEHOLDER) if necessary. Scratch out 28 0 previous work.
    30. 30. Find 28 x 12 1 28 STEP ZERO: STEP ONE:Use guidelines Multiply byto keep work the ones. Regroup x 12 neat. if necessary. STEP TWO: STEP THREE: Place a zero in the 56Multiply by the ones place.tens. Regroup (PLACEHOLDER) if necessary. Scratch out +28 0 previous work.
    31. 31. Find 28 x 12 1 28 STEP ZERO: STEP ONE: Use guidelines Multiply by to keep work the ones. Regroup x 12 neat. if necessary. STEP TWO: STEP THREE: Place a zero in the 56 Multiply by the ones place. tens. Regroup (PLACEHOLDER) if necessary. Scratch out +28 0 previous work. STEP FOUR: Add the products.Regroup if necessary.
    32. 32. Find 28 x 12 1 28 STEP ZERO: STEP ONE: Use guidelines Multiply by to keep work the ones. Regroup x 12 neat. if necessary. STEP TWO: STEP THREE: Place a zero in the 1 56 Multiply by the ones place. tens. Regroup (PLACEHOLDER) if necessary. Scratch out +28 0 previous work. 33 6 STEP FOUR: Add the products.Regroup if necessary.
    33. 33. Find 354 x 23 354 x 23
    34. 34. Find 354 x 23 354 STEP ZERO:Use guidelinesto keep work x 23 neat.
    35. 35. Find 354 x 23 354 STEP ZERO:Use guidelinesto keep work x 23 neat.
    36. 36. Find 354 x 23 354 STEP ZERO: STEP ONE:Use guidelines Multiply byto keep work the ones. Regroup x 23 neat. if necessary.
    37. 37. Find 354 x 23 354 STEP ZERO: STEP ONE:Use guidelines Multiply byto keep work the ones. Regroup x 23 neat. if necessary.
    38. 38. Find 354 x 23 1 354 STEP ZERO: STEP ONE:Use guidelines Multiply byto keep work the ones. Regroup x 23 neat. if necessary. 2
    39. 39. Find 354 x 23 1 354 STEP ZERO: STEP ONE:Use guidelines Multiply byto keep work the ones. Regroup x 23 neat. if necessary. 2
    40. 40. Find 354 x 23 1 1 354 STEP ZERO: STEP ONE:Use guidelines Multiply byto keep work the ones. Regroup x 23 neat. if necessary. 62
    41. 41. Find 354 x 23 1 1 354 STEP ZERO: STEP ONE:Use guidelines Multiply byto keep work the ones. Regroup x 23 neat. if necessary. 62
    42. 42. Find 354 x 23 1 1 354 STEP ZERO: STEP ONE:Use guidelines Multiply byto keep work the ones. Regroup x 23 neat. if necessary. 1062
    43. 43. Find 354 x 23 1 1 354 STEP ZERO: STEP ONE:Use guidelines Multiply byto keep work the ones. Regroup x 23 neat. if necessary. STEP TWO: Place a zero in the 1062 ones place. (PLACEHOLDER) Scratch out previous work.
    44. 44. Find 354 x 23 354 STEP ZERO: STEP ONE:Use guidelines Multiply byto keep work the ones. Regroup x 23 neat. if necessary. STEP TWO: Place a zero in the 1062 ones place. (PLACEHOLDER) Scratch out 0 previous work.
    45. 45. Find 354 x 23 354 STEP ZERO: STEP ONE: Use guidelines Multiply by to keep work the ones. Regroup x 23 neat. if necessary. STEP TWO: STEP THREE: Place a zero in the 1062Multiply by the ones place.tens. Regroup (PLACEHOLDER) if necessary. Scratch out 0 previous work.
    46. 46. Find 354 x 23 354 STEP ZERO: STEP ONE: Use guidelines Multiply by to keep work the ones. Regroup x 23 neat. if necessary. STEP TWO: STEP THREE: Place a zero in the 1062Multiply by the ones place.tens. Regroup (PLACEHOLDER) if necessary. Scratch out 0 previous work.
    47. 47. Find 354 x 23 354 STEP ZERO: STEP ONE: Use guidelines Multiply by to keep work the ones. Regroup x 23 neat. if necessary. STEP TWO: STEP THREE: Place a zero in the 1062Multiply by the ones place.tens. Regroup (PLACEHOLDER) if necessary. Scratch out 80 previous work.
    48. 48. Find 354 x 23 354 STEP ZERO: STEP ONE: Use guidelines Multiply by to keep work the ones. Regroup x 23 neat. if necessary. STEP TWO: STEP THREE: Place a zero in the 1062Multiply by the ones place.tens. Regroup (PLACEHOLDER) if necessary. Scratch out 80 previous work.
    49. 49. Find 354 x 23 1 354 STEP ZERO: STEP ONE: Use guidelines Multiply by to keep work the ones. Regroup x 23 neat. if necessary. STEP TWO: STEP THREE: Place a zero in the 1062Multiply by the ones place.tens. Regroup (PLACEHOLDER) if necessary. Scratch out 08 0 previous work.
    50. 50. Find 354 x 23 1 354 STEP ZERO: STEP ONE: Use guidelines Multiply by to keep work the ones. Regroup x 23 neat. if necessary. STEP TWO: STEP THREE: Place a zero in the 1062Multiply by the ones place.tens. Regroup (PLACEHOLDER) if necessary. Scratch out 08 0 previous work.
    51. 51. Find 354 x 23 1 354 STEP ZERO: STEP ONE: Use guidelines Multiply by to keep work the ones. Regroup x 23 neat. if necessary. STEP TWO: STEP THREE: Place a zero in the 1062Multiply by the ones place.tens. Regroup (PLACEHOLDER) if necessary. Scratch out 708 0 previous work.
    52. 52. Find 354 x 23 1 354 STEP ZERO: STEP ONE: Use guidelines Multiply by to keep work the ones. Regroup x 23 neat. if necessary. STEP TWO: STEP THREE: Place a zero in the 1062Multiply by the ones place.tens. Regroup (PLACEHOLDER) if necessary. Scratch out + 708 0 previous work.
    53. 53. Find 354 x 23 1 354 STEP ZERO: STEP ONE: Use guidelines Multiply by to keep work the ones. Regroup x 23 neat. if necessary. STEP TWO: STEP THREE: Place a zero in the 1062 Multiply by the ones place. tens. Regroup (PLACEHOLDER) if necessary. Scratch out + 708 0 previous work. STEP FOUR: Add the products.Regroup if necessary.
    54. 54. Find 354 x 23 1 354 STEP ZERO: STEP ONE: Use guidelines Multiply by to keep work the ones. Regroup x 23 neat. if necessary. 1 STEP TWO: STEP THREE: Place a zero in the 1062 Multiply by the ones place. tens. Regroup (PLACEHOLDER) if necessary. Scratch out + 708 0 previous work. 8 1 42 STEP FOUR: Add the products.Regroup if necessary.
    55. 55. Find 874 x 59 874 x 59
    56. 56. Find 874 x 59 874 STEP ZERO:Use guidelinesto keep work x 59 neat.
    57. 57. Find 874 x 59 874 STEP ZERO:Use guidelinesto keep work x 59 neat.
    58. 58. Find 874 x 59 874 STEP ZERO: STEP ONE:Use guidelines Multiply byto keep work the ones. Regroup x 59 neat. if necessary.
    59. 59. Find 874 x 59 874 STEP ZERO: STEP ONE:Use guidelines Multiply byto keep work the ones. Regroup x 59 neat. if necessary.
    60. 60. Find 874 x 59 3 874 STEP ZERO: STEP ONE:Use guidelines Multiply byto keep work the ones. Regroup x 59 neat. if necessary. 6
    61. 61. Find 874 x 59 3 874 STEP ZERO: STEP ONE:Use guidelines Multiply byto keep work the ones. Regroup x 59 neat. if necessary. 6
    62. 62. Find 874 x 59 63 874 STEP ZERO: STEP ONE:Use guidelines Multiply byto keep work the ones. Regroup x 59 neat. if necessary. 66
    63. 63. Find 874 x 59 63 874 STEP ZERO: STEP ONE:Use guidelines Multiply byto keep work the ones. Regroup x 59 neat. if necessary. 66
    64. 64. Find 874 x 59 63 874 STEP ZERO: STEP ONE:Use guidelines Multiply byto keep work the ones. Regroup x 59 neat. if necessary. 78 66
    65. 65. Find 874 x 59 63 874 STEP ZERO: STEP ONE:Use guidelines Multiply byto keep work the ones. Regroup x 59 neat. if necessary. STEP TWO: Place a zero in the 78 66 ones place. (PLACEHOLDER) Scratch out previous work.
    66. 66. Find 874 x 59 874 STEP ZERO: STEP ONE:Use guidelines Multiply byto keep work the ones. Regroup x 59 neat. if necessary. STEP TWO: Place a zero in the 78 66 ones place. (PLACEHOLDER) Scratch out 0 previous work.
    67. 67. Find 874 x 59 874 STEP ZERO: STEP ONE: Use guidelines Multiply by to keep work the ones. Regroup x 59 neat. if necessary. STEP TWO: STEP THREE: Place a zero in the 78 66Multiply by the ones place.tens. Regroup (PLACEHOLDER) if necessary. Scratch out 0 previous work.
    68. 68. Find 874 x 59 874 STEP ZERO: STEP ONE: Use guidelines Multiply by to keep work the ones. Regroup x 59 neat. if necessary. STEP TWO: STEP THREE: Place a zero in the 78 66Multiply by the ones place.tens. Regroup (PLACEHOLDER) if necessary. Scratch out 0 previous work.
    69. 69. Find 874 x 59 2 874 STEP ZERO: STEP ONE: Use guidelines Multiply by to keep work the ones. Regroup x 59 neat. if necessary. STEP TWO: STEP THREE: Place a zero in the 78 66Multiply by the ones place.tens. Regroup (PLACEHOLDER) if necessary. Scratch out 00 previous work.
    70. 70. Find 874 x 59 2 874 STEP ZERO: STEP ONE: Use guidelines Multiply by to keep work the ones. Regroup x 59 neat. if necessary. STEP TWO: STEP THREE: Place a zero in the 78 66Multiply by the ones place.tens. Regroup (PLACEHOLDER) if necessary. Scratch out 00 previous work.
    71. 71. Find 874 x 59 32 874 STEP ZERO: STEP ONE: Use guidelines Multiply by to keep work the ones. Regroup x 59 neat. if necessary. STEP TWO: STEP THREE: Place a zero in the 78 66Multiply by the ones place.tens. Regroup (PLACEHOLDER) if necessary. Scratch out 70 0 previous work.
    72. 72. Find 874 x 59 32 874 STEP ZERO: STEP ONE: Use guidelines Multiply by to keep work the ones. Regroup x 59 neat. if necessary. STEP TWO: STEP THREE: Place a zero in the 78 66Multiply by the ones place.tens. Regroup (PLACEHOLDER) if necessary. Scratch out 70 0 previous work.
    73. 73. Find 874 x 59 32 874 STEP ZERO: STEP ONE: Use guidelines Multiply by to keep work the ones. Regroup x 59 neat. if necessary. STEP TWO: STEP THREE: Place a zero in the 78 66Multiply by the ones place.tens. Regroup (PLACEHOLDER) if necessary. Scratch out 4370 0 previous work.
    74. 74. Find 874 x 59 32 874 STEP ZERO: STEP ONE: Use guidelines Multiply by to keep work the ones. Regroup x 59 neat. if necessary. STEP TWO: STEP THREE: Place a zero in the 78 66Multiply by the ones place.tens. Regroup (PLACEHOLDER) if necessary. Scratch out + 43 70 0 previous work.
    75. 75. Find 874 x 59 32 874 STEP ZERO: STEP ONE: Use guidelines Multiply by to keep work the ones. Regroup x 59 neat. if necessary. STEP TWO: STEP THREE: Place a zero in the 78 66 Multiply by the ones place. tens. Regroup (PLACEHOLDER) if necessary. Scratch out + 43 70 0 previous work. STEP FOUR: Add the products.Regroup if necessary.
    76. 76. Find 874 x 59 32 874 STEP ZERO: STEP ONE: Use guidelines Multiply by to keep work the ones. Regroup 1 x 59 neat. if necessary. STEP TWO: STEP THREE: Place a zero in the 1 78 66 Multiply by the ones place. tens. Regroup (PLACEHOLDER) if necessary. Scratch out + 43 70 0 previous work. 5 1 566 STEP FOUR: Add the products.Regroup if necessary.

    ×