hard 4×4 Set 51 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [5, 8, 8, 3], Column headers: [9, 8, 7, 4]

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Answer: Row 5: [45, 40, 35, 20]; Row 8: [72, 64, 56, 32]; Row 8: [72, 64, 56, 32]; Row 3: [27, 24, 21, 12]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 5
  • 8
  • 8
  • 3
ColHeaders
  • 9
  • 8
  • 7
  • 4
Cells
  • [45,40,35,20]
  • [72,64,56,32]
  • [72,64,56,32]
  • [27,24,21,12]

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [5, 3, 10, 10], Column headers: [7, 9, 3, 6]

Show answer

Answer: Row 5: [35, 45, 15, 30]; Row 3: [21, 27, 9, 18]; Row 10: [70, 90, 30, 60]; Row 10: [70, 90, 30, 60]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 5
  • 3
  • 10
  • 10
ColHeaders
  • 7
  • 9
  • 3
  • 6
Cells
  • [35,45,15,30]
  • [21,27,9,18]
  • [70,90,30,60]
  • [70,90,30,60]