hard 5×5 Set 21 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [10, 2, 3, 9], Column headers: [10, 1, 8, 1]

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Answer: Row 10: [100, 10, 80, 10]; Row 2: [20, 2, 16, 2]; Row 3: [30, 3, 24, 3]; Row 9: [90, 9, 72, 9]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 10
  • 2
  • 3
  • 9
ColHeaders
  • 10
  • 1
  • 8
  • 1
Cells
  • [100,10,80,10]
  • [20,2,16,2]
  • [30,3,24,3]
  • [90,9,72,9]

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [8, 7, 6, 9], Column headers: [7, 4, 6, 6]

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

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 8
  • 7
  • 6
  • 9
ColHeaders
  • 7
  • 4
  • 6
  • 6
Cells
  • [15,12,14,14]
  • [14,11,13,13]
  • [13,10,12,12]
  • [16,13,15,15]