hard 4×4 Set 17 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [5, 10, 3, 3], Column headers: [1, 4, 2, 10]

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Answer: Row 5: [5, 20, 10, 50]; Row 10: [10, 40, 20, 100]; Row 3: [3, 12, 6, 30]; Row 3: [3, 12, 6, 30]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 5
  • 10
  • 3
  • 3
ColHeaders
  • 1
  • 4
  • 2
  • 10
Cells
  • [5,20,10,50]
  • [10,40,20,100]
  • [3,12,6,30]
  • [3,12,6,30]

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [7, 9, 1, 2], Column headers: [8, 1, 8, 2]

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

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