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5-7 Dividing Greater Numbers

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5-7 Dividing Greater Numbers

  1. 1. 5-7 Dividing Greater Numbers Math Notes Number Sense 2.2
  2. 2. What you’re learning today... Number Sense 2.2 - Demonstrate proficiency with division ... including long division with multi-digit divisors.
  3. 3. What you’re learning today... Number Sense 2.2 - Demonstrate proficiency with division ... including long division with multi-digit divisors. WHAT YOU’VE LEARNED ALREADY
  4. 4. What you’re learning today... Number Sense 2.2 - Demonstrate proficiency with division ... including long division with multi-digit divisors. WHAT YOU’VE WHAT YOU’RE LEARNED ALREADY LEARNING TO DO TODAY
  5. 5. What you’re learning today... Number Sense 2.2 - Demonstrate proficiency with division ... including long division with multi-digit divisors. 23 21 483 WHAT YOU’VE WHAT YOU’RE LEARNED ALREADY LEARNING TO DO TODAY
  6. 6. What you’re learning today... Number Sense 2.2 - Demonstrate proficiency with division ... including long division with multi-digit divisors. 23 382r1 21 483 56 21393 WHAT YOU’VE WHAT YOU’RE LEARNED ALREADY LEARNING TO DO TODAY
  7. 7. Long Division Mnemonic: REVIEW
  8. 8. Long Division Mnemonic: REVIEW DAD DIVIDE MOM MULTIPLY SISTER SUBTRACT BROTHER BRING DOWN ROVER REPEAT OR REMAINDER
  9. 9. DAD MOM SISTER BROTHER ROVER
  10. 10. DAD MOM SISTER BROTHER ROVER
  11. 11. DAD MOM SISTER 4288 BROTHER ROVER
  12. 12. DAD MOM SISTER 16 4288 BROTHER ROVER
  13. 13. STEP 0: Use DAD guidelines MOM SISTER 16 4288 BROTHER ROVER
  14. 14. STEP 0: Use DAD guidelines MOM SISTER 16 4288 BROTHER ROVER
  15. 15. STEP 0: Use DAD guidelines MOM SISTER 16 4288 STEP 1: Can 16 go into 4? NO Can 16 go into 42? YES BROTHER ROVER
  16. 16. STEP 0: Use 0 DAD guidelines MOM SISTER 16 4288 STEP 1: Can 16 go into 4? NO Can 16 go into 42? YES BROTHER ROVER
  17. 17. STEP 0: Use 02 DAD guidelines MOM SISTER 16 4288 STEP 1: Can 16 go into 4? NO Can 16 go into 42? YES BROTHER ROVER
  18. 18. STEP 0: Use 02 DAD guidelines MOM SISTER 16 4288 STEP 1: Can 16 go into 4? NO Can 16 go into 42? YES BROTHER ROVER STEP 2: MULTIPLY 16 by 2
  19. 19. STEP 0: Use 02 DAD guidelines MOM 16 4288 32 SISTER STEP 1: Can 16 go into 4? NO Can 16 go into 42? YES BROTHER ROVER STEP 2: MULTIPLY 16 by 2
  20. 20. STEP 0: Use 02 DAD guidelines MOM 16 4288 32 SISTER STEP 1: Can 16 go into 4? NO Can 16 go into 42? YES BROTHER ROVER STEP 2: MULTIPLY 16 by 2 STEP 3: SUBTRACT 42 - 32
  21. 21. STEP 0: Use 02 DAD guidelines MOM 16 4288 32 SISTER STEP 1: Can 16 go into 4? NO Can 16 go into 42? YES BROTHER ROVER 10 STEP 2: MULTIPLY 16 by 2 STEP 3: SUBTRACT 42 - 32
  22. 22. STEP 0: Use 02 DAD guidelines MOM 16 4288 32 SISTER STEP 1: Can 16 go into 4? NO Can 16 go into 42? YES BROTHER ROVER 10 STEP 2: MULTIPLY 16 by 2 STEP 3: SUBTRACT 42 - 32 STEP 4: BRING DOWN the 8
  23. 23. STEP 0: Use 02 DAD guidelines MOM 16 4288 32 SISTER STEP 1: Can 16 go into 4? NO Can 16 go into 42? YES BROTHER ROVER 108 STEP 2: MULTIPLY 16 by 2 STEP 3: SUBTRACT 42 - 32 STEP 4: BRING DOWN the 8
  24. 24. STEP 0: Use 02 DAD guidelines MOM 16 4288 32 SISTER STEP 1: Can 16 go into 4? NO Can 16 go into 42? YES BROTHER ROVER 108 STEP 2: MULTIPLY 16 by 2 STEP 5: REPEAT or STEP 3: REMAINDER SUBTRACT 42 - 32 STEP 4: BRING DOWN the 8
  25. 25. STEP 0: Use 02 DAD guidelines MOM 16 4288 32 SISTER STEP 1: Can 16 go into 4? NO Can 16 go into 42? YES BROTHER ROVER 108 STEP 2: MULTIPLY 16 by 2 STEP 5: REPEAT or STEP 3: REMAINDER SUBTRACT 42 - 32 STEP 4: BRING DOWN the 8
  26. 26. 02 DAD MOM 16 4288 32 SISTER BROTHER ROVER 108
  27. 27. STEP 1: DIVIDE 16 02 DAD into 108 (Estimation MOM may help) 16 4288 32 SISTER BROTHER ROVER 108
  28. 28. STEP 1: DIVIDE 16 02 6 DAD into 108 (Estimation MOM may help) 16 4288 32 SISTER BROTHER ROVER 108
  29. 29. STEP 1: DIVIDE 16 02 6 DAD into 108 (Estimation MOM may help) 16 4288 32 SISTER STEP 2: Multiply BROTHER 16 by 6 108 ROVER 96
  30. 30. STEP 1: DIVIDE 16 02 6 DAD into 108 (Estimation MOM may help) 16 4288 32 SISTER STEP 2: Multiply BROTHER 16 by 6 108 ROVER 96 STEP 3: SUBTRACT 108 - 96
  31. 31. STEP 1: DIVIDE 16 02 6 DAD into 108 (Estimation MOM may help) 16 4288 32 SISTER STEP 2: Multiply BROTHER 16 by 6 108 ROVER 96 STEP 3: SUBTRACT 12 108 - 96
  32. 32. STEP 1: DIVIDE 16 02 6 DAD into 108 (Estimation MOM may help) 16 4288 32 SISTER STEP 2: Multiply BROTHER 16 by 6 108 ROVER 96 STEP 3: SUBTRACT 12 108 - 96 STEP 4: BRING DOWN the 8
  33. 33. STEP 1: DIVIDE 16 02 6 DAD into 108 (Estimation MOM may help) 16 4288 32 SISTER STEP 2: Multiply BROTHER 16 by 6 108 ROVER 96 STEP 3: SUBTRACT 12 8 108 - 96 STEP 4: BRING DOWN the 8
  34. 34. STEP 1: DIVIDE 16 02 6 DAD into 108 (Estimation MOM may help) 16 4288 32 SISTER STEP 2: Multiply BROTHER 16 by 6 108 ROVER 96 STEP 3: SUBTRACT 12 8 108 - 96 STEP 4: BRING DOWN the 8 STEP 5: REPEAT OR REMAINDER?
  35. 35. STEP 1: DIVIDE 16 02 6 DAD into 108 (Estimation MOM may help) 16 4288 32 SISTER STEP 2: Multiply BROTHER 16 by 6 108 ROVER 96 STEP 3: SUBTRACT 12 8 108 - 96 STEP 4: BRING DOWN the 8 STEP 5: REPEAT OR REMAINDER?
  36. 36. 02 6 DAD MOM 16 4288 32 SISTER BROTHER 108 ROVER 96 1 28
  37. 37. STEP 1: DIVIDE 16 02 6 DAD into 128 (Estimation MOM may help) 16 4288 32 SISTER BROTHER 108 ROVER 96 1 28
  38. 38. STEP 1: DIVIDE 16 02 68 DAD into 128 (Estimation MOM may help) 16 4288 32 SISTER BROTHER 108 ROVER 96 1 28
  39. 39. STEP 1: DIVIDE 16 02 68 DAD into 128 (Estimation MOM may help) 16 4288 32 SISTER STEP 2: Multiply BROTHER 16 by 8 108 ROVER 96 1 28 128
  40. 40. STEP 1: DIVIDE 16 02 68 DAD into 128 (Estimation MOM may help) 16 4288 32 SISTER STEP 2: Multiply BROTHER 16 by 8 108 ROVER 96 STEP 3: SUBTRACT 1 28 128 - 128 128
  41. 41. STEP 1: DIVIDE 16 02 68 DAD into 128 (Estimation MOM may help) 16 4288 32 SISTER STEP 2: Multiply BROTHER 16 by 8 108 ROVER 96 STEP 3: SUBTRACT 1 28 128 - 128 128 0
  42. 42. STEP 1: DIVIDE 16 02 68 DAD into 128 (Estimation MOM may help) 16 4288 32 SISTER STEP 2: Multiply BROTHER 16 by 8 108 ROVER 96 STEP 3: SUBTRACT 1 28 128 - 128 128 STEP 4: Noting to 0 BRING DOWN
  43. 43. STEP 1: DIVIDE 16 02 68 DAD into 128 (Estimation MOM may help) 16 4288 32 SISTER STEP 2: Multiply BROTHER 16 by 8 108 ROVER 96 STEP 3: SUBTRACT STEP 5: 1 28 128 - 128 REPEAT OR REMAINDER? 128 STEP 4: Noting to 0 BRING DOWN
  44. 44. STEP 1: DIVIDE 16 02 68 DAD into 128 (Estimation MOM may help) 16 4288 32 SISTER STEP 2: Multiply BROTHER 16 by 8 108 ROVER 96 STEP 3: SUBTRACT STEP 5: 1 28 128 - 128 REPEAT OR REMAINDER? 128 STEP 4: Noting to 0 BRING DOWN
  45. 45. Check By Multiplying 268 x 16 Answer: 268
  46. 46. Check By Multiplying 268 x 16 Answer: 268
  47. 47. Check By Multiplying 268 x 16 Answer: 268
  48. 48. Check By Multiplying 4 268 x 16 Answer: 268 8
  49. 49. Check By Multiplying 4 268 x 16 Answer: 268 8
  50. 50. Check By Multiplying 4 4 268 x 16 Answer: 268 08
  51. 51. Check By Multiplying 4 4 268 x 16 Answer: 268 08
  52. 52. Check By Multiplying 4 4 268 x 16 Answer: 268 1608
  53. 53. Check By Multiplying 268 x 16 Answer: 268 1608 0
  54. 54. Check By Multiplying 268 x 16 Answer: 268 1608 0
  55. 55. Check By Multiplying 268 x 16 Answer: 268 1608 80
  56. 56. Check By Multiplying 268 x 16 Answer: 268 1608 80
  57. 57. Check By Multiplying 268 x 16 Answer: 268 1608 68 0
  58. 58. Check By Multiplying 268 x 16 Answer: 268 1608 68 0
  59. 59. Check By Multiplying 268 x 16 Answer: 268 1608 268 0
  60. 60. Check By Multiplying 268 x 16 Answer: 268 1608 + 268 0
  61. 61. Check By Multiplying 268 x 16 1 Answer: 268 1608 + 268 0 4288
  62. 62. Check By Multiplying 268 x 16 1 Answer: 268 1608 + 268 0 4288 Checks out!

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