expert 4×4 Set 20 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [7, 8, 1], Column headers: [2, 10, 9]

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Answer: Row 7: [14, 70, 63]; Row 8: [16, 80, 72]; Row 1: [2, 10, 9]

SubType
speed-grid
Difficulty
expert
Operation
×
RowHeaders
  • 7
  • 8
  • 1
ColHeaders
  • 2
  • 10
  • 9
Cells
  • [14,70,63]
  • [16,80,72]
  • [2,10,9]

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [8, 8, 6], Column headers: [2, 5, 5]

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Answer: Row 8: [6, 3, 3]; Row 8: [6, 3, 3]; Row 6: [4, 1, 1]

SubType
speed-grid
Difficulty
expert
Operation
-
RowHeaders
  • 8
  • 8
  • 6
ColHeaders
  • 2
  • 5
  • 5
Cells
  • [6,3,3]
  • [6,3,3]
  • [4,1,1]