hard 4×4 Set 89 Form Exercise

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

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Answer: Row 9: [27, 54, 72, 54]; Row 6: [18, 36, 48, 36]; Row 6: [18, 36, 48, 36]; Row 7: [21, 42, 56, 42]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 9
  • 6
  • 6
  • 7
ColHeaders
  • 3
  • 6
  • 8
  • 6
Cells
  • [27,54,72,54]
  • [18,36,48,36]
  • [18,36,48,36]
  • [21,42,56,42]

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [4, 9, 6, 7], Column headers: [6, 4, 5, 7]

Show answer

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

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