hard 4×4 Set 74 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [8, 9, 6, 8], Column headers: [10, 2, 9, 5]

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Answer: Row 8: [80, 16, 72, 40]; Row 9: [90, 18, 81, 45]; Row 6: [60, 12, 54, 30]; Row 8: [80, 16, 72, 40]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 8
  • 9
  • 6
  • 8
ColHeaders
  • 10
  • 2
  • 9
  • 5
Cells
  • [80,16,72,40]
  • [90,18,81,45]
  • [60,12,54,30]
  • [80,16,72,40]

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

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Answer: Row 7: [21, 49, 49, 28]; Row 3: [9, 21, 21, 12]; Row 5: [15, 35, 35, 20]; Row 2: [6, 14, 14, 8]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 7
  • 3
  • 5
  • 2
ColHeaders
  • 3
  • 7
  • 7
  • 4
Cells
  • [21,49,49,28]
  • [9,21,21,12]
  • [15,35,35,20]
  • [6,14,14,8]