hard 4×4 Set 43 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [5, 1, 4, 8], Column headers: [4, 5, 4, 9]

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Answer: Row 5: [20, 25, 20, 45]; Row 1: [4, 5, 4, 9]; Row 4: [16, 20, 16, 36]; Row 8: [32, 40, 32, 72]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 5
  • 1
  • 4
  • 8
ColHeaders
  • 4
  • 5
  • 4
  • 9
Cells
  • [20,25,20,45]
  • [4,5,4,9]
  • [16,20,16,36]
  • [32,40,32,72]

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [2, 1, 9, 2], Column headers: [2, 4, 9, 9]

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Answer: Row 2: [4, 8, 18, 18]; Row 1: [2, 4, 9, 9]; Row 9: [18, 36, 81, 81]; Row 2: [4, 8, 18, 18]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 2
  • 1
  • 9
  • 2
ColHeaders
  • 2
  • 4
  • 9
  • 9
Cells
  • [4,8,18,18]
  • [2,4,9,9]
  • [18,36,81,81]
  • [4,8,18,18]