hard 4×4 Set 38 Form Exercise

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [8, 2, 6, 3], Column headers: [2, 9, 1, 10]

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Answer: Row 8: [10, 17, 9, 18]; Row 2: [4, 11, 3, 12]; Row 6: [8, 15, 7, 16]; Row 3: [5, 12, 4, 13]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 8
  • 2
  • 6
  • 3
ColHeaders
  • 2
  • 9
  • 1
  • 10
Cells
  • [10,17,9,18]
  • [4,11,3,12]
  • [8,15,7,16]
  • [5,12,4,13]

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [2, 2, 1, 5], Column headers: [9, 1, 10, 7]

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

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