hard 5×5 Set 23 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [4, 8, 6, 7], Column headers: [9, 7, 2, 10]

Show answer

Answer: Row 4: [36, 28, 8, 40]; Row 8: [72, 56, 16, 80]; Row 6: [54, 42, 12, 60]; Row 7: [63, 49, 14, 70]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 4
  • 8
  • 6
  • 7
ColHeaders
  • 9
  • 7
  • 2
  • 10
Cells
  • [36,28,8,40]
  • [72,56,16,80]
  • [54,42,12,60]
  • [63,49,14,70]

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

Show answer

Answer: Row 6: [9, 9, 16, 12]; Row 7: [10, 10, 17, 13]; Row 3: [6, 6, 13, 9]; Row 8: [11, 11, 18, 14]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 6
  • 7
  • 3
  • 8
ColHeaders
  • 3
  • 3
  • 10
  • 6
Cells
  • [9,9,16,12]
  • [10,10,17,13]
  • [6,6,13,9]
  • [11,11,18,14]