hard 4×4 Set 97 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [8, 1, 2, 9], Column headers: [8, 10, 7, 2]

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Answer: Row 8: [64, 80, 56, 16]; Row 1: [8, 10, 7, 2]; Row 2: [16, 20, 14, 4]; Row 9: [72, 90, 63, 18]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 8
  • 1
  • 2
  • 9
ColHeaders
  • 8
  • 10
  • 7
  • 2
Cells
  • [64,80,56,16]
  • [8,10,7,2]
  • [16,20,14,4]
  • [72,90,63,18]

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [7, 9, 6, 9], Column headers: [10, 2, 6, 2]

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Answer: Row 7: [70, 14, 42, 14]; Row 9: [90, 18, 54, 18]; Row 6: [60, 12, 36, 12]; Row 9: [90, 18, 54, 18]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 7
  • 9
  • 6
  • 9
ColHeaders
  • 10
  • 2
  • 6
  • 2
Cells
  • [70,14,42,14]
  • [90,18,54,18]
  • [60,12,36,12]
  • [90,18,54,18]