hard 4×4 Set 29 Form Exercise

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

Show answer

Answer: Row 2: [8, 8, 14, 10]; Row 7: [28, 28, 49, 35]; Row 8: [32, 32, 56, 40]; Row 10: [40, 40, 70, 50]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 2
  • 7
  • 8
  • 10
ColHeaders
  • 4
  • 4
  • 7
  • 5
Cells
  • [8,8,14,10]
  • [28,28,49,35]
  • [32,32,56,40]
  • [40,40,70,50]

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

Show answer

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

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