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: [8, 7, 5, 9], Column headers: [6, 1, 4, 5]

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

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

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [7, 2, 6, 7], Column headers: [9, 8, 1, 4]

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Answer: Row 7: [16, 15, 8, 11]; Row 2: [11, 10, 3, 6]; Row 6: [15, 14, 7, 10]; Row 7: [16, 15, 8, 11]

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