expert 4×4 Set 54 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [5, 7, 8], Column headers: [9, 10, 9]

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Answer: Row 5: [45, 50, 45]; Row 7: [63, 70, 63]; Row 8: [72, 80, 72]

SubType
speed-grid
Difficulty
expert
Operation
×
RowHeaders
  • 5
  • 7
  • 8
ColHeaders
  • 9
  • 10
  • 9
Cells
  • [45,50,45]
  • [63,70,63]
  • [72,80,72]

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [6, 8, 4], Column headers: [10, 5, 6]

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Answer: Row 6: [16, 11, 12]; Row 8: [18, 13, 14]; Row 4: [14, 9, 10]

SubType
speed-grid
Difficulty
expert
Operation
+
RowHeaders
  • 6
  • 8
  • 4
ColHeaders
  • 10
  • 5
  • 6
Cells
  • [16,11,12]
  • [18,13,14]
  • [14,9,10]