hard 4×4 Set 76 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [5, 7, 3, 2], Column headers: [2, 4, 9, 7]

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Answer: Row 5: [10, 20, 45, 35]; Row 7: [14, 28, 63, 49]; Row 3: [6, 12, 27, 21]; Row 2: [4, 8, 18, 14]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 5
  • 7
  • 3
  • 2
ColHeaders
  • 2
  • 4
  • 9
  • 7
Cells
  • [10,20,45,35]
  • [14,28,63,49]
  • [6,12,27,21]
  • [4,8,18,14]

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [2, 6, 8, 4], Column headers: [5, 1, 10, 2]

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

SubType
speed-grid
Difficulty
hard
Operation
-
RowHeaders
  • 2
  • 6
  • 8
  • 4
ColHeaders
  • 5
  • 1
  • 10
  • 2
Cells
  • [3,1,8,0]
  • [1,5,4,4]
  • [3,7,2,6]
  • [1,3,6,2]