hard 5×5 Set 86 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [8, 4, 2, 7], Column headers: [3, 8, 6, 1]

Show answer

Answer: Row 8: [24, 64, 48, 8]; Row 4: [12, 32, 24, 4]; Row 2: [6, 16, 12, 2]; Row 7: [21, 56, 42, 7]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 8
  • 4
  • 2
  • 7
ColHeaders
  • 3
  • 8
  • 6
  • 1
Cells
  • [24,64,48,8]
  • [12,32,24,4]
  • [6,16,12,2]
  • [21,56,42,7]

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [4, 9, 6, 10], Column headers: [9, 2, 2, 8]

Show answer

Answer: Row 4: [5, 2, 2, 4]; Row 9: [0, 7, 7, 1]; Row 6: [3, 4, 4, 2]; Row 10: [1, 8, 8, 2]

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