hard 4×4 Set 87 Form Exercise

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [9, 1, 10, 6], Column headers: [5, 6, 1, 1]

Show answer

Answer: Row 9: [14, 15, 10, 10]; Row 1: [6, 7, 2, 2]; Row 10: [15, 16, 11, 11]; Row 6: [11, 12, 7, 7]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 9
  • 1
  • 10
  • 6
ColHeaders
  • 5
  • 6
  • 1
  • 1
Cells
  • [14,15,10,10]
  • [6,7,2,2]
  • [15,16,11,11]
  • [11,12,7,7]

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [2, 6, 5, 10], Column headers: [7, 1, 4, 3]

Show answer

Answer: Row 2: [14, 2, 8, 6]; Row 6: [42, 6, 24, 18]; Row 5: [35, 5, 20, 15]; Row 10: [70, 10, 40, 30]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 2
  • 6
  • 5
  • 10
ColHeaders
  • 7
  • 1
  • 4
  • 3
Cells
  • [14,2,8,6]
  • [42,6,24,18]
  • [35,5,20,15]
  • [70,10,40,30]