1. Subtraction – Place Value and Negative Numbers
11/14/2018 9:58 PM
Subtraction – Place Value and Negative Numbers
Grades 3 – 5
© 2007 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

2. Category 1
This category will help “begin the discussion of what happens when you remove a larger number from a smaller quantity. The number line will be an important tool to use when reasoning with this strategy.”
Sherry Parrish

3. 5 – 5
5 – 6
5 – 7
5 – 8

4. 0 – 1
0 – 2
0 – 3
0 – 4

5. 6 – 6
6 – 7
6 – 8
6 – 9

6. 4 – 4
4 – 5
4 – 6
4 – 7

7. 20 – 10
0 – 4
20 – 14

8. 20 – 10
1 – 3
21 – 13

9. 20 – 10
2 – 4
22 – 14

10. 20 – 10
3 – 5
23 – 15

11. 20 – 10
5 – 6
25 – 16

12. Category 2
“Consists of two-digit computation problems to continue the work on this strategy. A deliberate sequence is used to support thinking for the initial problem in each section. The last problem in each section allows students to test their thinking with similar problem.” Sherry Parrish

13. 20 – 10
4 – 6
24 – 16
23 – 15

14. 30 – 10
2 – 5
32 – 15
35 – 17

15. 30 – 10
6 – 9
36 – 19
33 – 16

16. 40 – 20
8 – 9
48 – 29
44 – 26

17. 50 – 10
3 – 7
53 – 17
54 – 26

18. 60 – 30
6 – 8
66 – 38
64 – 29

19. 70 – 40
2 – 5
72 – 45
77 – 28

20. 80 – 30
1 – 8
81 – 38
83 – 44

21. 90 – 50
6 – 7
96 – 57
93 – 68

22. Category 3
Three-digit computation problems

23. 0 – 6
100 – 40
100 –46
100 – 19

24. 100 – 0
20 – 80
5 – 7
125 –87
114 – 75

25. 200 – 100
10 – 20
5 – 6
215 –126
223 – 134

26. 300 – 200
50 – 80
7 – 8
357 – 188
321 – 233

27. 400 – 200
40 – 50
4 – 6
444 – 256
413 – 135

28. 500 – 300
0 – 50
0 – 8
500 – 358
500 – 263

29. 600 – 300
50 – 60
0 – 4
650 – 365
612 – 248

30. 800 – 600
50 – 90
3 – 4
853 – 694
826 – 437

31. 1000 – 700
0 – 10
0 – 5
1000 – 715
1000 – 674