hard 4×4 Set 12 Form Exercise

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

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Answer: Row 7: [16, 12, 9, 8]; Row 10: [19, 15, 12, 11]; Row 10: [19, 15, 12, 11]; Row 1: [10, 6, 3, 2]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 7
  • 10
  • 10
  • 1
ColHeaders
  • 9
  • 5
  • 2
  • 1
Cells
  • [16,12,9,8]
  • [19,15,12,11]
  • [19,15,12,11]
  • [10,6,3,2]

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [9, 3, 6, 5], Column headers: [3, 10, 5, 8]

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Answer: Row 9: [12, 19, 14, 17]; Row 3: [6, 13, 8, 11]; Row 6: [9, 16, 11, 14]; Row 5: [8, 15, 10, 13]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 9
  • 3
  • 6
  • 5
ColHeaders
  • 3
  • 10
  • 5
  • 8
Cells
  • [12,19,14,17]
  • [6,13,8,11]
  • [9,16,11,14]
  • [8,15,10,13]