hard 4×4 Set 22 Form Exercise

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [1, 1, 5, 7], Column headers: [3, 2, 4, 1]

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Answer: Row 1: [2, 1, 3, 0]; Row 1: [2, 1, 3, 0]; Row 5: [2, 3, 1, 4]; Row 7: [4, 5, 3, 6]

SubType
speed-grid
Difficulty
hard
Operation
-
RowHeaders
  • 1
  • 1
  • 5
  • 7
ColHeaders
  • 3
  • 2
  • 4
  • 1
Cells
  • [2,1,3,0]
  • [2,1,3,0]
  • [2,3,1,4]
  • [4,5,3,6]

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [7, 9, 4, 9], Column headers: [8, 5, 3, 1]

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Answer: Row 7: [56, 35, 21, 7]; Row 9: [72, 45, 27, 9]; Row 4: [32, 20, 12, 4]; Row 9: [72, 45, 27, 9]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 7
  • 9
  • 4
  • 9
ColHeaders
  • 8
  • 5
  • 3
  • 1
Cells
  • [56,35,21,7]
  • [72,45,27,9]
  • [32,20,12,4]
  • [72,45,27,9]