hard 4×4 Set 72 Form Exercise

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [6, 10, 10, 7], Column headers: [9, 2, 2, 5]

Show answer

Answer: Row 6: [15, 8, 8, 11]; Row 10: [19, 12, 12, 15]; Row 10: [19, 12, 12, 15]; Row 7: [16, 9, 9, 12]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 6
  • 10
  • 10
  • 7
ColHeaders
  • 9
  • 2
  • 2
  • 5
Cells
  • [15,8,8,11]
  • [19,12,12,15]
  • [19,12,12,15]
  • [16,9,9,12]

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [4, 9, 8, 3], Column headers: [6, 3, 3, 5]

Show answer

Answer: Row 4: [10, 7, 7, 9]; Row 9: [15, 12, 12, 14]; Row 8: [14, 11, 11, 13]; Row 3: [9, 6, 6, 8]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 4
  • 9
  • 8
  • 3
ColHeaders
  • 6
  • 3
  • 3
  • 5
Cells
  • [10,7,7,9]
  • [15,12,12,14]
  • [14,11,11,13]
  • [9,6,6,8]