Workbook Detail
Subtraction Within 100 Starter — Set 42
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}Teaching Notes
6
-4
26
-1
37
-30
31
-30
89
-82
59
-54
83
-43
3
-1
78
-30
8
-5
66
-56
25
-24
69
-41
2
-1
6
-1
42
-32
39
-10
33
-10
33
-22
89
-3
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