hard 4×4 Set 78 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [4, 10, 6, 5], Column headers: [1, 3, 1, 9]

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Answer: Row 4: [4, 12, 4, 36]; Row 10: [10, 30, 10, 90]; Row 6: [6, 18, 6, 54]; Row 5: [5, 15, 5, 45]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 4
  • 10
  • 6
  • 5
ColHeaders
  • 1
  • 3
  • 1
  • 9
Cells
  • [4,12,4,36]
  • [10,30,10,90]
  • [6,18,6,54]
  • [5,15,5,45]

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

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Answer: Row 7: [56, 28, 49, 63]; Row 4: [32, 16, 28, 36]; Row 3: [24, 12, 21, 27]; Row 3: [24, 12, 21, 27]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 7
  • 4
  • 3
  • 3
ColHeaders
  • 8
  • 4
  • 7
  • 9
Cells
  • [56,28,49,63]
  • [32,16,28,36]
  • [24,12,21,27]
  • [24,12,21,27]