hard 4×4 Set 54 Form Exercise

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

Show answer

Answer: Row 10: [80, 40, 100, 40]; Row 4: [32, 16, 40, 16]; Row 7: [56, 28, 70, 28]; Row 3: [24, 12, 30, 12]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 10
  • 4
  • 7
  • 3
ColHeaders
  • 8
  • 4
  • 10
  • 4
Cells
  • [80,40,100,40]
  • [32,16,40,16]
  • [56,28,70,28]
  • [24,12,30,12]

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [4, 4, 3, 8], Column headers: [3, 5, 10, 2]

Show answer

Answer: Row 4: [12, 20, 40, 8]; Row 4: [12, 20, 40, 8]; Row 3: [9, 15, 30, 6]; Row 8: [24, 40, 80, 16]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 4
  • 4
  • 3
  • 8
ColHeaders
  • 3
  • 5
  • 10
  • 2
Cells
  • [12,20,40,8]
  • [12,20,40,8]
  • [9,15,30,6]
  • [24,40,80,16]