Workbook Detail
Speed Grid Addition 4×4 Medium — Set 23
Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [4, 2, 9], Column headers: [3, 9, 1]
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Answer: Row 4: [12, 36, 4]; Row 2: [6, 18, 2]; Row 9: [27, 81, 9]
- SubType
- speed-grid
- Difficulty
- medium
- Operation
- ×
- RowHeaders
- 4
- 2
- 9
- ColHeaders
- 3
- 9
- 1
- Cells
- [12,36,4]
- [6,18,2]
- [27,81,9]
Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [9, 8, 7], Column headers: [1, 6, 8]
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Answer: Row 9: [10, 15, 17]; Row 8: [9, 14, 16]; Row 7: [8, 13, 15]
- SubType
- speed-grid
- Difficulty
- medium
- Operation
- +
- RowHeaders
- 9
- 8
- 7
- ColHeaders
- 1
- 6
- 8
- Cells
- [10,15,17]
- [9,14,16]
- [8,13,15]
Teaching Notes
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