hard 4×4 Set 61 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [2, 9, 3, 10], Column headers: [5, 7, 5, 3]

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Answer: Row 2: [10, 14, 10, 6]; Row 9: [45, 63, 45, 27]; Row 3: [15, 21, 15, 9]; Row 10: [50, 70, 50, 30]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 2
  • 9
  • 3
  • 10
ColHeaders
  • 5
  • 7
  • 5
  • 3
Cells
  • [10,14,10,6]
  • [45,63,45,27]
  • [15,21,15,9]
  • [50,70,50,30]

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [9, 3, 8, 8], Column headers: [3, 6, 4, 2]

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

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