hard 4×4 Set 63 Form Exercise

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [9, 4, 8, 2], Column headers: [10, 1, 7, 2]

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Answer: Row 9: [19, 10, 16, 11]; Row 4: [14, 5, 11, 6]; Row 8: [18, 9, 15, 10]; Row 2: [12, 3, 9, 4]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 9
  • 4
  • 8
  • 2
ColHeaders
  • 10
  • 1
  • 7
  • 2
Cells
  • [19,10,16,11]
  • [14,5,11,6]
  • [18,9,15,10]
  • [12,3,9,4]

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [10, 8, 4, 2], Column headers: [4, 3, 8, 1]

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Answer: Row 10: [6, 7, 2, 9]; Row 8: [4, 5, 0, 7]; Row 4: [0, 1, 4, 3]; Row 2: [2, 1, 6, 1]

SubType
speed-grid
Difficulty
hard
Operation
-
RowHeaders
  • 10
  • 8
  • 4
  • 2
ColHeaders
  • 4
  • 3
  • 8
  • 1
Cells
  • [6,7,2,9]
  • [4,5,0,7]
  • [0,1,4,3]
  • [2,1,6,1]