hard 4×4 Set 98 Form Exercise

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [1, 9, 2, 5], Column headers: [9, 4, 7, 10]

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Answer: Row 1: [10, 5, 8, 11]; Row 9: [18, 13, 16, 19]; Row 2: [11, 6, 9, 12]; Row 5: [14, 9, 12, 15]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 1
  • 9
  • 2
  • 5
ColHeaders
  • 9
  • 4
  • 7
  • 10
Cells
  • [10,5,8,11]
  • [18,13,16,19]
  • [11,6,9,12]
  • [14,9,12,15]

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

Show answer

Answer: Row 5: [7, 12, 9, 11]; Row 8: [10, 15, 12, 14]; Row 5: [7, 12, 9, 11]; Row 6: [8, 13, 10, 12]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 5
  • 8
  • 5
  • 6
ColHeaders
  • 2
  • 7
  • 4
  • 6
Cells
  • [7,12,9,11]
  • [10,15,12,14]
  • [7,12,9,11]
  • [8,13,10,12]