hard 4×4 Set 43 Form Exercise

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [3, 10, 2, 4], Column headers: [10, 5, 2, 1]

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Answer: Row 3: [13, 8, 5, 4]; Row 10: [20, 15, 12, 11]; Row 2: [12, 7, 4, 3]; Row 4: [14, 9, 6, 5]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 3
  • 10
  • 2
  • 4
ColHeaders
  • 10
  • 5
  • 2
  • 1
Cells
  • [13,8,5,4]
  • [20,15,12,11]
  • [12,7,4,3]
  • [14,9,6,5]

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [6, 7, 9, 8], Column headers: [6, 7, 10, 3]

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

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