hard 5×5 Set 84 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [6, 6, 3, 9], Column headers: [9, 4, 7, 7]

Show answer

Answer: Row 6: [54, 24, 42, 42]; Row 6: [54, 24, 42, 42]; Row 3: [27, 12, 21, 21]; Row 9: [81, 36, 63, 63]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 6
  • 6
  • 3
  • 9
ColHeaders
  • 9
  • 4
  • 7
  • 7
Cells
  • [54,24,42,42]
  • [54,24,42,42]
  • [27,12,21,21]
  • [81,36,63,63]

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [5, 4, 10, 10], Column headers: [6, 3, 6, 3]

Show answer

Answer: Row 5: [11, 8, 11, 8]; Row 4: [10, 7, 10, 7]; Row 10: [16, 13, 16, 13]; Row 10: [16, 13, 16, 13]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 5
  • 4
  • 10
  • 10
ColHeaders
  • 6
  • 3
  • 6
  • 3
Cells
  • [11,8,11,8]
  • [10,7,10,7]
  • [16,13,16,13]
  • [16,13,16,13]