hard 4×4 Set 29 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [3, 6, 9, 3], Column headers: [4, 1, 7, 2]

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Answer: Row 3: [12, 3, 21, 6]; Row 6: [24, 6, 42, 12]; Row 9: [36, 9, 63, 18]; Row 3: [12, 3, 21, 6]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 3
  • 6
  • 9
  • 3
ColHeaders
  • 4
  • 1
  • 7
  • 2
Cells
  • [12,3,21,6]
  • [24,6,42,12]
  • [36,9,63,18]
  • [12,3,21,6]

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [7, 8, 9, 1], Column headers: [7, 3, 4, 4]

Show answer

Answer: Row 7: [14, 10, 11, 11]; Row 8: [15, 11, 12, 12]; Row 9: [16, 12, 13, 13]; Row 1: [8, 4, 5, 5]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 7
  • 8
  • 9
  • 1
ColHeaders
  • 7
  • 3
  • 4
  • 4
Cells
  • [14,10,11,11]
  • [15,11,12,12]
  • [16,12,13,13]
  • [8,4,5,5]