hard 4×4 Set 42 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [10, 2, 8, 4], Column headers: [3, 8, 6, 5]

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Answer: Row 10: [30, 80, 60, 50]; Row 2: [6, 16, 12, 10]; Row 8: [24, 64, 48, 40]; Row 4: [12, 32, 24, 20]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 10
  • 2
  • 8
  • 4
ColHeaders
  • 3
  • 8
  • 6
  • 5
Cells
  • [30,80,60,50]
  • [6,16,12,10]
  • [24,64,48,40]
  • [12,32,24,20]

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [5, 2, 8, 5], Column headers: [2, 2, 7, 1]

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Answer: Row 5: [10, 10, 35, 5]; Row 2: [4, 4, 14, 2]; Row 8: [16, 16, 56, 8]; Row 5: [10, 10, 35, 5]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 5
  • 2
  • 8
  • 5
ColHeaders
  • 2
  • 2
  • 7
  • 1
Cells
  • [10,10,35,5]
  • [4,4,14,2]
  • [16,16,56,8]
  • [10,10,35,5]