expert 4×4 Set 99 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [10, 9, 8], Column headers: [8, 4, 8]

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Answer: Row 10: [80, 40, 80]; Row 9: [72, 36, 72]; Row 8: [64, 32, 64]

SubType
speed-grid
Difficulty
expert
Operation
×
RowHeaders
  • 10
  • 9
  • 8
ColHeaders
  • 8
  • 4
  • 8
Cells
  • [80,40,80]
  • [72,36,72]
  • [64,32,64]

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [3, 2, 6], Column headers: [7, 4, 4]

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Answer: Row 3: [10, 7, 7]; Row 2: [9, 6, 6]; Row 6: [13, 10, 10]

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