hard 4×4 Set 36 Form Exercise

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

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Answer: Row 4: [8, 12, 6, 7]; Row 2: [6, 10, 4, 5]; Row 1: [5, 9, 3, 4]; Row 10: [14, 18, 12, 13]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 4
  • 2
  • 1
  • 10
ColHeaders
  • 4
  • 8
  • 2
  • 3
Cells
  • [8,12,6,7]
  • [6,10,4,5]
  • [5,9,3,4]
  • [14,18,12,13]

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [9, 8, 4, 6], Column headers: [7, 5, 1, 9]

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

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