hard 4×4 Set 76 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [8, 5, 9, 3], Column headers: [6, 10, 10, 4]

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Answer: Row 8: [48, 80, 80, 32]; Row 5: [30, 50, 50, 20]; Row 9: [54, 90, 90, 36]; Row 3: [18, 30, 30, 12]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 8
  • 5
  • 9
  • 3
ColHeaders
  • 6
  • 10
  • 10
  • 4
Cells
  • [48,80,80,32]
  • [30,50,50,20]
  • [54,90,90,36]
  • [18,30,30,12]

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [4, 10, 6, 2], Column headers: [1, 3, 2, 1]

Show answer

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

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