hard 4×4 Set 40 Form Exercise

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [6, 9, 3, 1], Column headers: [7, 9, 9, 10]

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

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

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [2, 1, 5, 8], Column headers: [10, 6, 4, 2]

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

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