hard 4×4 Set 27 Form Exercise

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [1, 9, 3, 4], Column headers: [7, 3, 2, 9]

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Answer: Row 1: [8, 4, 3, 10]; Row 9: [16, 12, 11, 18]; Row 3: [10, 6, 5, 12]; Row 4: [11, 7, 6, 13]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 1
  • 9
  • 3
  • 4
ColHeaders
  • 7
  • 3
  • 2
  • 9
Cells
  • [8,4,3,10]
  • [16,12,11,18]
  • [10,6,5,12]
  • [11,7,6,13]

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [10, 3, 7, 6], Column headers: [6, 10, 7, 8]

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

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