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: [2, 9, 3, 8], Column headers: [8, 1, 2, 3]

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

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

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [10, 3, 1, 5], Column headers: [9, 5, 10, 7]

Show answer

Answer: Row 10: [19, 15, 20, 17]; Row 3: [12, 8, 13, 10]; Row 1: [10, 6, 11, 8]; Row 5: [14, 10, 15, 12]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 10
  • 3
  • 1
  • 5
ColHeaders
  • 9
  • 5
  • 10
  • 7
Cells
  • [19,15,20,17]
  • [12,8,13,10]
  • [10,6,11,8]
  • [14,10,15,12]