hard 5×5 Set 66 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [4, 8, 3, 4], Column headers: [9, 1, 10, 7]

Show answer

Answer: Row 4: [36, 4, 40, 28]; Row 8: [72, 8, 80, 56]; Row 3: [27, 3, 30, 21]; Row 4: [36, 4, 40, 28]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 4
  • 8
  • 3
  • 4
ColHeaders
  • 9
  • 1
  • 10
  • 7
Cells
  • [36,4,40,28]
  • [72,8,80,56]
  • [27,3,30,21]
  • [36,4,40,28]

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [9, 7, 6, 8], Column headers: [5, 8, 9, 4]

Show answer

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

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