hard 4×4 Set 66 Form Exercise

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [9, 10, 1, 5], Column headers: [10, 9, 4, 4]

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Answer: Row 9: [19, 18, 13, 13]; Row 10: [20, 19, 14, 14]; Row 1: [11, 10, 5, 5]; Row 5: [15, 14, 9, 9]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 9
  • 10
  • 1
  • 5
ColHeaders
  • 10
  • 9
  • 4
  • 4
Cells
  • [19,18,13,13]
  • [20,19,14,14]
  • [11,10,5,5]
  • [15,14,9,9]

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [10, 5, 2, 2], Column headers: [5, 7, 3, 9]

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Answer: Row 10: [50, 70, 30, 90]; Row 5: [25, 35, 15, 45]; Row 2: [10, 14, 6, 18]; Row 2: [10, 14, 6, 18]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 10
  • 5
  • 2
  • 2
ColHeaders
  • 5
  • 7
  • 3
  • 9
Cells
  • [50,70,30,90]
  • [25,35,15,45]
  • [10,14,6,18]
  • [10,14,6,18]