hard 4×4 Set 71 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [3, 3, 3, 2], Column headers: [7, 9, 9, 5]

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Answer: Row 3: [21, 27, 27, 15]; Row 3: [21, 27, 27, 15]; Row 3: [21, 27, 27, 15]; Row 2: [14, 18, 18, 10]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 3
  • 3
  • 3
  • 2
ColHeaders
  • 7
  • 9
  • 9
  • 5
Cells
  • [21,27,27,15]
  • [21,27,27,15]
  • [21,27,27,15]
  • [14,18,18,10]

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [8, 2, 9, 3], Column headers: [5, 2, 6, 7]

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Answer: Row 8: [3, 6, 2, 1]; Row 2: [3, 0, 4, 5]; Row 9: [4, 7, 3, 2]; Row 3: [2, 1, 3, 4]

SubType
speed-grid
Difficulty
hard
Operation
-
RowHeaders
  • 8
  • 2
  • 9
  • 3
ColHeaders
  • 5
  • 2
  • 6
  • 7
Cells
  • [3,6,2,1]
  • [3,0,4,5]
  • [4,7,3,2]
  • [2,1,3,4]