hard 4×4 Set 61 Form Exercise

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

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Answer: Row 6: [12, 9, 15, 15]; Row 8: [14, 11, 17, 17]; Row 6: [12, 9, 15, 15]; Row 8: [14, 11, 17, 17]

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

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

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Answer: Row 7: [13, 17, 12, 14]; Row 10: [16, 20, 15, 17]; Row 2: [8, 12, 7, 9]; Row 5: [11, 15, 10, 12]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 7
  • 10
  • 2
  • 5
ColHeaders
  • 6
  • 10
  • 5
  • 7
Cells
  • [13,17,12,14]
  • [16,20,15,17]
  • [8,12,7,9]
  • [11,15,10,12]