1. Everyday Math Grade 4 – Lesson 2.9 Subtraction of Multi-digit Numbers Copyright © 2010 Kelly Mott

2. Lesson Components: Part 1: Math Boxes 2.7 Page 41Math Boxes 2.7 Page 41 Part 2: ReviewReview Part 3: PP Borrow from the 10’sPP Borrow from the 10’s Part 4: PP Borrow from the 100’sPP Borrow from the 100’s Part 5: PP Borrowing More than OncePP Borrowing More than Once Part 6: PP Subtracting with ZerosPP Subtracting with Zeros Part 7: Math Journal Pages 46-48Math Journal Pages 46-48 Copyright © 2010 Kelly Mott

3. Math Boxes Lesson 2.9 Page 49

4. Copyright © 2010 Kelly Mott Math Box 1:

5. Copyright © 2010 Kelly Mott Math Box 2:

6. Copyright © 2010 Kelly Mott Math Box 3:

7. Copyright © 2010 Kelly Mott Math Box 4:

8. Copyright © 2010 Kelly Mott Math Box 5:

10. Copyright © 2010 Kelly Mott REVIEW

11. Copyright © 2010 Kelly Mott Name Collection Box 15

12. What number is in the ten’s place? ____________________________ hundred thousand’s place? ________________ ten million’s place? ______________________ thousand’s place? _______________________ Place Value Practice 1 8746 9 3521

13. What number is in the hundred’s place? ________________________ hundred million’s place? __________________ ten thousand’s place? ____________________ million’s place? _________________________ Place Value Practice 2 8746 9 3521

14. Value of a Number Practice 1 Problem #1: 580, 763, 941 What is the 7 worth? ___________________________ Problem#2: 856, 742, 125 What is the 8 worth? ___________________________ Problem#3: 960, 588, 403 What is the 4 worth? ___________________________ Copyright © 2010 Kelly Mott

15. Expanded Form Practice 1 Problem 1: 843,601,417 __________________ + __________________ + __________________ + __________________ Copyright © 2010 Kelly Mott

16. 1.What is the maximum? _________________________________________________________ 2.What is the minimum? _________________________________________________________ 3. What is the range (maximum – minimum)? _________________________________________________________ 4. What is the mode (most frequent) ? _________________________________________________________ 5. What is the median (middle number)? _________________________________________________________ Copyright © 2010 Kelly Mott LOOK AT THE DATA: 2 4 4 7 7 7 8 10 14

18. Copyright © 2010 Kelly Mott Lesson 2.9 Three Digit Subtraction

19. Copyright © 2010 Kelly Mott PART 1: BORROWING FROM THE TENS

20. 1.When we subtract, we start with the ones column. 2.1-6…can’t be done…so we have to borrow from the tens: TensOnes Copyright © 2010 Kelly Mott Understanding Regrouping in Subtraction 231 - 116 __________________

21. 1.When we subtract, we start with the ones column. 2.4-8…can’t be done…so we have to borrow from the tens: TensOnes Copyright © 2010 Kelly Mott Understanding Regrouping in Subtraction 864 - 428 __________________

22. 1.When we subtract, we start with the ones column. 2.5-6…can’t be done…so we have to borrow from the tens: TensOnes Copyright © 2010 Kelly Mott Understanding Regrouping in Subtraction 935 - 526 __________________

23. 1.When we subtract, we start with the ones column. 2.7-9…can’t be done…so we have to borrow from the tens: TensOnes Copyright © 2010 Kelly Mott Understanding Regrouping in Subtraction 647 - 229 __________________

24. 1.When we subtract, we start with the ones column. 2.1-6…can’t be done…so we have to borrow from the tens: TensOnes Copyright © 2010 Kelly Mott Understanding Regrouping in Subtraction 273 - 118 __________________

25. Does this make sense? Copyright © 2010 Kelly Mott

26. Practice Problems Copyright © 2010 Kelly Mott

27. Practice 1: Regrouping Tens to Ones 461 248 254 125 A.B. Copyright © 2010 Kelly Mott --

28. Practice 2: Regrouping Tens to Ones 396 147 822 715 C.D. Copyright © 2010 Kelly Mott --

29. Practice 3: Regrouping Tens to Ones 568 239 781 364 E.F. Copyright © 2010 Kelly Mott --

30. Practice 4: Regrouping Tens to Ones 426 218 585 157 G.H. Copyright © 2010 Kelly Mott --

31. HOMEWORK SUPPLEMENTAL: ORANGE MATH STEPS PAGE 67 Copyright © 20010Kelly Mott

34. Copyright © 2010 Kelly Mott

35. Does this make sense? Copyright © 2010 Kelly Mott

36. PART 2: BORROWING FROM THE HUNDREDS

37. 1.When we subtract, we start with the ones column. 2.4 tens - 6 tens…can’t be done …so we have to borrow from the hundreds: _Hundreds_ _Tens_ Copyright © 2010 Kelly Mott Understanding Regrouping in Subtraction 343 - 161 __________________

38. 1.When we subtract, we start with the ones column. 2.5 tens - 8 tens…can’t be done …so we have to borrow from the hundreds: _Hundreds_ _Tens_ Copyright © 2010 Kelly Mott Understanding Regrouping in Subtraction 259 - 182 __________________

39. 1.When we subtract, we start with the ones column. 2.5 tens - 9 tens…can’t be done …so we have to borrow from the hundreds: _Hundreds_ _Tens_ Copyright © 2010 Kelly Mott Understanding Regrouping in Subtraction 458 - 295 __________________

40. 1.When we subtract, we start with the ones column. 2.8 tens - 9 tens…can’t be done …so we have to borrow from the hundreds: _Hundreds_ _Tens_ Copyright © 2010 Kelly Mott Understanding Regrouping in Subtraction 286 - 196 __________________

41. 1.When we subtract, we start with the ones column. 2.2 tens - 9 tens…can’t be done …so we have to borrow from the hundreds: _Hundreds_ _Tens_ Copyright © 2010 Kelly Mott Understanding Regrouping in Subtraction 423 - 390 __________________

42. Does this make sense? Copyright © 2010 Kelly Mott

43. Practice Problems Copyright © 2010 Kelly Mott

44. Practice 1: Regrouping Hundreds to Tens 922 551 226 131 A.B. Copyright © 2010 Kelly Mott --

45. Practice 2: Regrouping Hundreds to Tens 443 290 552 471 C.D. Copyright © 2010 Kelly Mott --

46. Practice 3: Regrouping Hundreds to Tens 239 143 928 846 E.F. Copyright © 2010 Kelly Mott --

47. Practice 4: Regrouping Hundreds to Tens 367 184 485 391 G.H. Copyright © 2010 Kelly Mott --

48. HOMEWORK SUPPLEMENTAL: ORANGE MATH STEPS PAGE 69 Copyright © 20010Kelly Mott

51. Copyright © 2010 Kelly Mott

52. How did you do? Copyright © 2010 Kelly Mott

53. PART 3: BORROWING MORE THAN ONCE

54. 1.When we subtract, we start with the ones column. 2._Hundreds_ _Tens_ _Ones_ Copyright © 2010 Kelly Mott Understanding Regrouping in Subtraction 343 - 164 __________________

55. 1.When we subtract, we start with the ones column. 2._Hundreds_ _Tens_ _Ones_ Copyright © 2010 Kelly Mott Understanding Regrouping in Subtraction 422 - 265 __________________

56. 1.When we subtract, we start with the ones column. 2._Hundreds_ _Tens_ _Ones_ Copyright © 2010 Kelly Mott Understanding Regrouping in Subtraction 536 - 258 __________________

57. 1.When we subtract, we start with the ones column. 2._Hundreds_ _Tens_ _Ones_ Copyright © 2010 Kelly Mott Understanding Regrouping in Subtraction 658 - 199 __________________

58. 1.When we subtract, we start with the ones column. 2._Hundreds_ _Tens_ _Ones_ Copyright © 2010 Kelly Mott Understanding Regrouping in Subtraction 345 - 186 __________________

59. Does this make sense? Copyright © 2010 Kelly Mott

60. Practice Problems Copyright © 2010 Kelly Mott

61. Practice 1: Regrouping More Than Once 951 273 613 464 A.B. Copyright © 2010 Kelly Mott --

62. Practice 2: Regrouping More Than Once 766 689 474 397 C.D. Copyright © 2010 Kelly Mott --

63. Practice 3: Regrouping More Than Once 856 368 323 178 E.F. Copyright © 2010 Kelly Mott --

64. Practice 4: Regrouping More Than Once 578 289 426 397 G.H. Copyright © 2010 Kelly Mott --

65. HOMEWORK SUPPLEMENTAL: ORANGE MATH STEPS PAGE 71 Copyright © 20010Kelly Mott

68. Copyright © 2010 Kelly Mott

69. How did you do? Copyright © 2010 Kelly Mott

70. PART 4: SUBTRACTION WITH ZEROS

71. Zero in the Ones Copyright © 2010 Kelly Mott

72. 1.When we subtract, we start with the ones column. 2._Hundreds_ _Tens_ _Ones_ Copyright © 2010 Kelly Mott Understanding Regrouping in Subtraction 680 - 343 __________________

73. 1.When we subtract, we start with the ones column. 2._Hundreds_ _Tens_ _Ones_ Copyright © 2010 Kelly Mott Understanding Regrouping in Subtraction 390 - 132 __________________

74. 1.When we subtract, we start with the ones column. 2._Hundreds_ _Tens_ _Ones_ Copyright © 2010 Kelly Mott Understanding Regrouping in Subtraction 450 - 307 __________________

75. Practice 1: Zero in the Ones 880 333 560 252 A.B. Copyright © 2010 Kelly Mott --

76. Practice 2: Zero in the Ones 620 419 270 101 C.D. Copyright © 2010 Kelly Mott --

77. Zero in the Tens Copyright © 2010 Kelly Mott

78. 1.When we subtract, we start with the ones column. 2._Hundreds_ _Tens_ _Ones_ Copyright © 2010 Kelly Mott Understanding Regrouping in Subtraction 305 - 234 __________________

79. 1.When we subtract, we start with the ones column. 2._Hundreds_ _Tens_ _Ones_ Copyright © 2010 Kelly Mott Understanding Regrouping in Subtraction 703 - 451 __________________

80. 1.When we subtract, we start with the ones column. 2._Hundreds_ _Tens_ _Ones_ Copyright © 2010 Kelly Mott Understanding Regrouping in Subtraction 408 - 277 __________________

81. Practice 1: Zero in the Tens 903 621 502 260 A.B. Copyright © 2010 Kelly Mott --

82. Practice 2: Zero in the Tens 209 171 606 495 C.D. Copyright © 2010 Kelly Mott --

83. More than 1 Zero Copyright © 2010 Kelly Mott

84. 1.When we subtract, we start with the ones column. 2._Hundreds_ _Tens_ _Ones_ Copyright © 2010 Kelly Mott Understanding Regrouping in Subtraction 500 - 235 __________________

85. 1.When we subtract, we start with the ones column. 2._Hundreds_ _Tens_ _Ones_ Copyright © 2010 Kelly Mott Understanding Regrouping in Subtraction 300 - 152 __________________

86. 1.When we subtract, we start with the ones column. 2._Hundreds_ _Tens_ _Ones_ Copyright © 2010 Kelly Mott Understanding Regrouping in Subtraction 600 - 339 __________________

87. Practice 1: More than 1 Zero 700 553 600 464 A.B. Copyright © 2010 Kelly Mott --

88. Practice 2: More than 1 Zero 800 452 300 185 C.D. Copyright © 2010 Kelly Mott --

89. PAM Problems Copyright © 2010 Kelly Mott

90. 1. A soccer league needed to sell 650 candles to raise enough money for new uniforms. The players already sold 315 candles. How many more do they need to sell? Question:Steps: Solve:Answer in Words: Copyright © 2010 Kelly Mott

91. 2. Sadie drove to the beach. When she started her trip the car showed 672 miles. When she returned, she read 708 miles. How many miles did she travel? Question:Steps: Solve:Answer in Words: Copyright © 2010 Kelly Mott

92. 3. Maria had $4.56. She earned $3.50 more. How much money does she have in all? Question:Steps: Solve:Answer in Words: Copyright © 2010 Kelly Mott

93. 4. The pilot flew 2,859 miles in a week. The following week he flew 1,042 miles. How many miles did he fly in all? Question:Steps: Solve:Answer in Words: Copyright © 2010 Kelly Mott

94. HOMEWORK SUPPLEMENTAL: ORANGE MATH STEPS PAGES 73-74 Copyright © 20010Kelly Mott

98. Copyright © 2010 Kelly Mott

99. How did you do? Copyright © 2010 Kelly Mott

101. Does this make sense? Copyright © 2010 Kelly Mott

102. HOMEWORK Everyday Math Journal Page: 46- 48 Copyright © 20010Kelly Mott

113. Copyright © 2010 Kelly Mott