hard 4×4 Set 25 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [8, 5, 5, 1], Column headers: [5, 2, 2, 7]

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Answer: Row 8: [40, 16, 16, 56]; Row 5: [25, 10, 10, 35]; Row 5: [25, 10, 10, 35]; Row 1: [5, 2, 2, 7]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 8
  • 5
  • 5
  • 1
ColHeaders
  • 5
  • 2
  • 2
  • 7
Cells
  • [40,16,16,56]
  • [25,10,10,35]
  • [25,10,10,35]
  • [5,2,2,7]

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [6, 7, 10, 5], Column headers: [6, 8, 3, 8]

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Answer: Row 6: [12, 14, 9, 14]; Row 7: [13, 15, 10, 15]; Row 10: [16, 18, 13, 18]; Row 5: [11, 13, 8, 13]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 6
  • 7
  • 10
  • 5
ColHeaders
  • 6
  • 8
  • 3
  • 8
Cells
  • [12,14,9,14]
  • [13,15,10,15]
  • [16,18,13,18]
  • [11,13,8,13]