everyday math grade 4 – lesson 2.7 addition of multi-digit numbers copyright © 2010 kelly mott
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- Everyday Math Grade 4 Lesson 2.7 Addition of Multi-digit Numbers Copyright 2010 Kelly Mott
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- Lesson Components: Part 1: Math Boxes 2.7 Page 41Math Boxes 2.7 Page 41 Part 2: ReviewReview Part 3: PP Regroup the OnesPP Regroup the Ones Part 4: PP Regroup the TensPP Regroup the Tens Part 5: PP Regroup More than OncePP Regroup More than Once Part 6: PP Regrouping 4 DigitsPP Regrouping 4 Digits Part 7: Math Journal 39Math Journal 39 Part 8: Math Journal 40Math Journal 40 Copyright 2010 Kelly Mott
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- Math Boxes Lesson 2.7 Page 41
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- Copyright 2010 Kelly Mott Math Box 1:
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- Copyright 2010 Kelly Mott Math Box 2:
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- Copyright 2010 Kelly Mott Math Box 3:
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- Copyright 2010 Kelly Mott Math Box 4:
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- Copyright 2010 Kelly Mott Math Box 5:
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- Copyright 2010 Kelly Mott REVIEW
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- Copyright 2010 Kelly Mott Name Collection Box 24 1
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- Copyright 2010 Kelly Mott Place Value Helpful Hint: You can think of each period as a family.
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- What number is in the tens place? ____________________________ hundred thousands place? ________________ ten millions place? ______________________ thousands place? _______________________ Place Value Practice 1 874693521 2
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- What number is in the hundreds place? ________________________ hundred millions place? __________________ ten thousands place? ____________________ millions place? _________________________ Place Value Practice 2 874693521 3
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- Value of a Number Practice 1 Problem #1: 290, 763, 891 What is the 8 worth? ___________________________ Problem#2: 856, 742, 121 What is the 7 worth? ___________________________ Problem#3: 260, 158, 403 What is the 6 worth? ___________________________ Copyright 2010 Kelly Mott 4
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- Expanded Form Practice 1 Problem 1: 116,350,601 __________________ + __________________ + __________________ Problem 2: 800,935,022 __________________ + __________________ + __________________ + __________________ Copyright 2010 Kelly Mott 5
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- 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: 3 5 6 6 9 9 11 11 11 6
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- Copyright 2010 Kelly Mott THREE DIGIT ADDITION REGROUP THE ONES
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- 1.When we add, we start with the ones column. 2.8 + 3 = 11 3.We can think of 11 as: 4.We can also think of 11 Understanding Regrouping the Ones 463 + 118 __________________ Copyright 2010 Kelly Mott 7
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- 1.Lets look at another problem. 2.Start with the ones. 3.9 + 4 = 13 4.We can think of 13 as: 5.We can also think of 13 Understanding Regrouping the Ones 224 + 219 __________________ Copyright 2010 Kelly Mott 8
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- 1.Lets look at one more problem. 2.Start with the ones. 3.8 + 9 = 17 4.We can think of 17 as: 5.We can also think of 17 Understanding Regrouping the Ones 448 + 249 __________________ Copyright 2010 Kelly Mott 9
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- 1.When we add, we start with the ones column. 2.6 + 5 = 11 3.We can think of 11 as: 4.We can also think of 11 as: Understanding Regrouping the Ones 236 + 145 __________________ Copyright 2010 Kelly Mott 10
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- Heres a quick video to reinforce what we just learned: http://streaming.discoveryeducation.com/braingame s/iknowthat/Video/VideoPlayer.htm?VID=../Dojo/Vid eo/DoubleDigitAdditionWithRenaming.flv&SWF=Doj o&COL=#2c143e&W=400&H=420 Understanding Regrouping Copyright 2010 Kelly Mott
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- Does this make sense? Copyright 2010 Kelly Mott
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- Regrouping Ones 428 + 166 __________________ 467 + 124 __________________ A.B. Copyright 2010 Kelly Mott 11
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- Regrouping Ones 354 + 338 __________________ 452 + 139 __________________ C.D. Copyright 2010 Kelly Mott 12
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- Regrouping Ones 842 + 109 __________________ 323 + 259 __________________ E.F. Copyright 2010 Kelly Mott 13
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- Regrouping Ones 627 + 259 __________________ 648 + 237 __________________ G.H. Copyright 2010 Kelly Mott 14
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- Regrouping Ones 137 + 323 __________________ 529 + 143 __________________ I.J. Copyright 2010 Kelly Mott 15
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- Does this make sense? Copyright 2010 Kelly Mott
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- HOMEWORK SUPPLEMENTAL: ORANGE MATH STEPS PAGES 39-40 Copyright 20010Kelly Mott
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- Copyright 2010 Kelly Mott
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- THREE DIGIT ADDITION REGROUP THE TENS
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- 1.When we add, we start with the ones column. 2.4 + 1 = 5 ones 3.We dont have to regroup because 5 is a SINGLE DIGIT! 4.Then add the tens. 5.6 + 7 = 13 tens 6.We can think of 13 tens as: 7.We can also think of 13 tens as: Understanding Regrouping the Tens 261 + 174 __________________ Copyright 2010 Kelly Mott 16
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- 1.When we add, we start with the ones column. 2.2 + 1 = 3 ones 3.We dont have to regroup because 3 is a SINGLE DIGIT! 4.Then add the tens. 5.7 + 8 = 15 tens 6.We can think of 15 tens as: 7.We can also think of 15 tens as: Understanding Regrouping the Tens 372 + 281 __________________ Copyright 2010 Kelly Mott 17
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- 1.When we add, we start with the ones column. 2.2 + 5 = 7 ones 3.We dont have to regroup because 7 is a SINGLE DIGIT! 4.Then add the tens. 5.9 + 3 = 12 tens 6.We can think of 12 tens as: 7.We can also think of 12 tens as: Understanding Regrouping the Tens 532 + 195 __________________ Copyright 2010 Kelly Mott 18
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- Does this make sense? Copyright 2010 Kelly Mott
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- Regrouping Tens 164 + 382 __________________ 462 + 271 __________________ A.B. Copyright 2010 Kelly Mott 19
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- Regrouping Tens 343 + 181 __________________ 452 + 272 __________________ C.D. Copyright 2010 Kelly Mott 20
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- Regrouping Tens 394 + 245 __________________ 432 + 193 __________________ E.F. Copyright 2010 Kelly Mott 21
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- Regrouping Tens 481 + 162 __________________ 526 + 392 __________________ G.H. Copyright 2010 Kelly Mott 22
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- Regrouping Tens 364 + 152 __________________ 497 + 212 __________________ I.J. Copyright 2010 Kelly Mott 23
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- Does this make sense? Copyright 2010 Kelly Mott
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- HOMEWORK SUPPLEMENTAL: ORANGE MATH STEPS PAGES 41-42 Copyright 2010 Kelly Mott
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- THREE DIGIT ADDITION REGROUP MORE THAN ONCE
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- 1.8 + 3 = 11 ones 2.We can think of 11 ones as: 3.We can also think of 11 ones as: 4.1 + 6 + 5 = 12 tens 5.We can think of 12 tens as: 6.We can also think of 12 tens as: Understanding Regrouping More Than Once 268 + 153 __________________ Copyright 2010 Kelly Mott 24
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- 1.8 + 3 = 10 ones 2.We can think of 10 ones as: 3.We can also think of 10 ones as: 4.1 + 8 + 5 = 14 tens 5.We can think of 14 tens as: 6.We can also think of 14 tens as: Understanding Regrouping More Than Once 388 + 152 __________________ Copyright 2010 Kelly Mott 25
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- Does this make sense? Copyright 2010 Kelly Mott
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- Regrouping More than Once 437 + 396 __________________ 275 + 478 __________________ A.B. Copyright 2010 Kelly Mott 26
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- Regrouping More than Once 283 + 199 __________________ 569 + 364 __________________ C.D. Copyright 2010 Kelly Mott 27
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- Regrouping More than Once 468 + 485 __________________ 189 + 436 __________________ E.F. Copyright 2010 Kelly Mott 28
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- Regrouping More than Once 698 + 257 __________________ 279 + 268 __________________ G.H. Copyright 2010 Kelly Mott 29
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- Does this make sense? Copyright 2010 Kelly Mott
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- HOMEWORK SUPPLEMENTAL: ORANGE MATH STEPS PAGES 43-44 Copyright 20010Kelly Mott
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- Copyright 2010 Kelly Mott
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- FOUR DIGIT ADDITION REGROUP MORE THAN ONCE
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- Four Digit Addition A. 4,896 1,524 Copyright 2010 Kelly Mott B. 1,383 2,647 + + 30
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- Four Digit Addition C. 2,383 1,642 Copyright 2010 Kelly Mott D. 5,978 2,632 + + 31
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- Four Digit Addition C. 2,383 1,642 Copyright 2010 Kelly Mott D. 5,978 2,632 + + 32
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- HOMEWORK SUPPLEMENTAL: ORANGE MATH STEPS PAGES 57-58 Copyright 20010Kelly Mott
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- HOMEWORK Everyday Math Journal Page: 39 Copyright 20010Kelly Mott
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- HOMEWORK Everyday Math Journal Page: 40 Copyright 20010Kelly Mott
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- Copyright 2010 Kelly Mott
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