hard 4×4 Set 54 Form Exercise

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [9, 7, 10, 5], Column headers: [2, 4, 4, 8]

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Answer: Row 9: [11, 13, 13, 17]; Row 7: [9, 11, 11, 15]; Row 10: [12, 14, 14, 18]; Row 5: [7, 9, 9, 13]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 9
  • 7
  • 10
  • 5
ColHeaders
  • 2
  • 4
  • 4
  • 8
Cells
  • [11,13,13,17]
  • [9,11,11,15]
  • [12,14,14,18]
  • [7,9,9,13]

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [10, 3, 6, 7], Column headers: [8, 1, 8, 1]

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Answer: Row 10: [18, 11, 18, 11]; Row 3: [11, 4, 11, 4]; Row 6: [14, 7, 14, 7]; Row 7: [15, 8, 15, 8]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 10
  • 3
  • 6
  • 7
ColHeaders
  • 8
  • 1
  • 8
  • 1
Cells
  • [18,11,18,11]
  • [11,4,11,4]
  • [14,7,14,7]
  • [15,8,15,8]