Workbook Detail
Balance Scale Mixed Simple Medium — Set 7
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}Teaching Notes
- [?] = 20
- [?] = 23
- [?] = 20
- [?] = 20
- [?] = 19
- [2 + ?] = 5
- [2 + 5 + ?] = 20
- [?] = 22
- [?] = 19
- [5 + ?] = 15
- [?] = 8
- [2 + ?] = 11
- [5 + 2 + ?] = 17
- [2 + 5 + ?] = 21
- [2 + ?] = 23
- [?] = 4
- [?] = 6
- [1 + 3 + ?] = 19
- [6 + ?] = 20
- [?] = 7
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