hard 4×4 Set 51 Form Exercise

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [5, 9, 8, 4], Column headers: [7, 2, 8, 10]

Show answer

Answer: Row 5: [2, 3, 3, 5]; Row 9: [2, 7, 1, 1]; Row 8: [1, 6, 0, 2]; Row 4: [3, 2, 4, 6]

SubType
speed-grid
Difficulty
hard
Operation
-
RowHeaders
  • 5
  • 9
  • 8
  • 4
ColHeaders
  • 7
  • 2
  • 8
  • 10
Cells
  • [2,3,3,5]
  • [2,7,1,1]
  • [1,6,0,2]
  • [3,2,4,6]

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [4, 10, 7, 8], Column headers: [2, 7, 8, 3]

Show answer

Answer: Row 4: [8, 28, 32, 12]; Row 10: [20, 70, 80, 30]; Row 7: [14, 49, 56, 21]; Row 8: [16, 56, 64, 24]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 4
  • 10
  • 7
  • 8
ColHeaders
  • 2
  • 7
  • 8
  • 3
Cells
  • [8,28,32,12]
  • [20,70,80,30]
  • [14,49,56,21]
  • [16,56,64,24]