expert 4×4 Set 60 Form Exercise

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [6, 3, 8], Column headers: [1, 5, 9]

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Answer: Row 6: [7, 11, 15]; Row 3: [4, 8, 12]; Row 8: [9, 13, 17]

SubType
speed-grid
Difficulty
expert
Operation
+
RowHeaders
  • 6
  • 3
  • 8
ColHeaders
  • 1
  • 5
  • 9
Cells
  • [7,11,15]
  • [4,8,12]
  • [9,13,17]

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [2, 2, 9], Column headers: [2, 2, 6]

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Answer: Row 2: [0, 0, 4]; Row 2: [0, 0, 4]; Row 9: [7, 7, 3]

SubType
speed-grid
Difficulty
expert
Operation
-
RowHeaders
  • 2
  • 2
  • 9
ColHeaders
  • 2
  • 2
  • 6
Cells
  • [0,0,4]
  • [0,0,4]
  • [7,7,3]