expert 4×4 Set 64 Form Exercise

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [6, 1, 10], Column headers: [8, 3, 1]

Show answer

Answer: Row 6: [14, 9, 7]; Row 1: [9, 4, 2]; Row 10: [18, 13, 11]

SubType
speed-grid
Difficulty
expert
Operation
+
RowHeaders
  • 6
  • 1
  • 10
ColHeaders
  • 8
  • 3
  • 1
Cells
  • [14,9,7]
  • [9,4,2]
  • [18,13,11]

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

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Answer: Row 1: [9, 5, 10]; Row 5: [45, 25, 50]; Row 9: [81, 45, 90]

SubType
speed-grid
Difficulty
expert
Operation
×
RowHeaders
  • 1
  • 5
  • 9
ColHeaders
  • 9
  • 5
  • 10
Cells
  • [9,5,10]
  • [45,25,50]
  • [81,45,90]