Workbook Detail
Balance Scale 3 Item Medium — Set 10
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"question": "[1 + 2 + ?] = 6",
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}Teaching Notes
- [?] = 5
- [5 + ?] = 19
- [2 + 1 + ?] = 10
- [9 + ?] = 21
- [1 + 2 + ?] = 10
- [?] = 9
- [?] = 7
- [2 + 2 + ?] = 11
- [?] = 16
- [3 + 2 + ?] = 11
- [5 + 6 + ?] = 20
- [?] = 11
- [1 + 4 + ?] = 13
- [?] = 5
- [?] = 12
- [5 + ?] = 15
- [3 + 1 + ?] = 11
- [1 + 3 + ?] = 10
- [1 + 2 + ?] = 6
- [5 + 5 + ?] = 20
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