hard 4×4 Set 98 Form Exercise

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

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Answer: Row 2: [18, 4, 20, 20]; Row 2: [18, 4, 20, 20]; Row 2: [18, 4, 20, 20]; Row 8: [72, 16, 80, 80]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 2
  • 2
  • 2
  • 8
ColHeaders
  • 9
  • 2
  • 10
  • 10
Cells
  • [18,4,20,20]
  • [18,4,20,20]
  • [18,4,20,20]
  • [72,16,80,80]

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [1, 6, 2, 4], Column headers: [9, 4, 6, 10]

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

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