hard 5×5 Set 55 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [6, 8, 7, 9], Column headers: [8, 2, 9, 10]

Show answer

Answer: Row 6: [48, 12, 54, 60]; Row 8: [64, 16, 72, 80]; Row 7: [56, 14, 63, 70]; Row 9: [72, 18, 81, 90]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 6
  • 8
  • 7
  • 9
ColHeaders
  • 8
  • 2
  • 9
  • 10
Cells
  • [48,12,54,60]
  • [64,16,72,80]
  • [56,14,63,70]
  • [72,18,81,90]

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

Show answer

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

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 5
  • 10
  • 6
  • 6
ColHeaders
  • 4
  • 2
  • 6
  • 8
Cells
  • [9,7,11,13]
  • [14,12,16,18]
  • [10,8,12,14]
  • [10,8,12,14]