hard 4×4 Set 41 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [5, 4, 9, 7], Column headers: [4, 2, 3, 1]

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Answer: Row 5: [20, 10, 15, 5]; Row 4: [16, 8, 12, 4]; Row 9: [36, 18, 27, 9]; Row 7: [28, 14, 21, 7]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 5
  • 4
  • 9
  • 7
ColHeaders
  • 4
  • 2
  • 3
  • 1
Cells
  • [20,10,15,5]
  • [16,8,12,4]
  • [36,18,27,9]
  • [28,14,21,7]

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [4, 8, 3, 10], Column headers: [8, 3, 5, 5]

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Answer: Row 4: [32, 12, 20, 20]; Row 8: [64, 24, 40, 40]; Row 3: [24, 9, 15, 15]; Row 10: [80, 30, 50, 50]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 4
  • 8
  • 3
  • 10
ColHeaders
  • 8
  • 3
  • 5
  • 5
Cells
  • [32,12,20,20]
  • [64,24,40,40]
  • [24,9,15,15]
  • [80,30,50,50]