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: [4, 3, 9], Column headers: [8, 7, 8]

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Answer: Row 4: [32, 28, 32]; Row 3: [24, 21, 24]; Row 9: [72, 63, 72]

SubType
speed-grid
Difficulty
expert
Operation
×
RowHeaders
  • 4
  • 3
  • 9
ColHeaders
  • 8
  • 7
  • 8
Cells
  • [32,28,32]
  • [24,21,24]
  • [72,63,72]

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

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Answer: Row 2: [2, 4, 5]; Row 2: [2, 4, 5]; Row 3: [1, 3, 4]

SubType
speed-grid
Difficulty
expert
Operation
-
RowHeaders
  • 2
  • 2
  • 3
ColHeaders
  • 4
  • 6
  • 7
Cells
  • [2,4,5]
  • [2,4,5]
  • [1,3,4]