hard 4×4 Set 53 Form Exercise

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [10, 1, 2, 9], Column headers: [5, 4, 3, 4]

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Answer: Row 10: [5, 6, 7, 6]; Row 1: [4, 3, 2, 3]; Row 2: [3, 2, 1, 2]; Row 9: [4, 5, 6, 5]

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

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [7, 10, 6, 3], Column headers: [4, 5, 8, 2]

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Answer: Row 7: [11, 12, 15, 9]; Row 10: [14, 15, 18, 12]; Row 6: [10, 11, 14, 8]; Row 3: [7, 8, 11, 5]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 7
  • 10
  • 6
  • 3
ColHeaders
  • 4
  • 5
  • 8
  • 2
Cells
  • [11,12,15,9]
  • [14,15,18,12]
  • [10,11,14,8]
  • [7,8,11,5]