hard 4×4 Set 75 Form Exercise

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

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Answer: Row 9: [12, 17, 18, 18]; Row 8: [11, 16, 17, 17]; Row 6: [9, 14, 15, 15]; Row 10: [13, 18, 19, 19]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 9
  • 8
  • 6
  • 10
ColHeaders
  • 3
  • 8
  • 9
  • 9
Cells
  • [12,17,18,18]
  • [11,16,17,17]
  • [9,14,15,15]
  • [13,18,19,19]

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

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Answer: Row 2: [7, 10, 4, 4]; Row 5: [10, 13, 7, 7]; Row 8: [13, 16, 10, 10]; Row 8: [13, 16, 10, 10]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 2
  • 5
  • 8
  • 8
ColHeaders
  • 5
  • 8
  • 2
  • 2
Cells
  • [7,10,4,4]
  • [10,13,7,7]
  • [13,16,10,10]
  • [13,16,10,10]