hard 4×4 Set 65 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [9, 1, 8, 10], Column headers: [7, 9, 1, 6]

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Answer: Row 9: [63, 81, 9, 54]; Row 1: [7, 9, 1, 6]; Row 8: [56, 72, 8, 48]; Row 10: [70, 90, 10, 60]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 9
  • 1
  • 8
  • 10
ColHeaders
  • 7
  • 9
  • 1
  • 6
Cells
  • [63,81,9,54]
  • [7,9,1,6]
  • [56,72,8,48]
  • [70,90,10,60]

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [9, 5, 8, 3], Column headers: [9, 4, 1, 2]

Show answer

Answer: Row 9: [81, 36, 9, 18]; Row 5: [45, 20, 5, 10]; Row 8: [72, 32, 8, 16]; Row 3: [27, 12, 3, 6]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 9
  • 5
  • 8
  • 3
ColHeaders
  • 9
  • 4
  • 1
  • 2
Cells
  • [81,36,9,18]
  • [45,20,5,10]
  • [72,32,8,16]
  • [27,12,3,6]