hard 4×4 Set 64 Form Exercise

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [2, 10, 10, 10], Column headers: [9, 7, 8, 3]

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Answer: Row 2: [11, 9, 10, 5]; Row 10: [19, 17, 18, 13]; Row 10: [19, 17, 18, 13]; Row 10: [19, 17, 18, 13]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 2
  • 10
  • 10
  • 10
ColHeaders
  • 9
  • 7
  • 8
  • 3
Cells
  • [11,9,10,5]
  • [19,17,18,13]
  • [19,17,18,13]
  • [19,17,18,13]

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [8, 3, 9, 7], Column headers: [1, 4, 4, 1]

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Answer: Row 8: [8, 32, 32, 8]; Row 3: [3, 12, 12, 3]; Row 9: [9, 36, 36, 9]; Row 7: [7, 28, 28, 7]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 8
  • 3
  • 9
  • 7
ColHeaders
  • 1
  • 4
  • 4
  • 1
Cells
  • [8,32,32,8]
  • [3,12,12,3]
  • [9,36,36,9]
  • [7,28,28,7]