hard 4×4 Set 22 Form Exercise

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [10, 9, 4, 4], Column headers: [8, 1, 1, 5]

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Answer: Row 10: [18, 11, 11, 15]; Row 9: [17, 10, 10, 14]; Row 4: [12, 5, 5, 9]; Row 4: [12, 5, 5, 9]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 10
  • 9
  • 4
  • 4
ColHeaders
  • 8
  • 1
  • 1
  • 5
Cells
  • [18,11,11,15]
  • [17,10,10,14]
  • [12,5,5,9]
  • [12,5,5,9]

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [3, 1, 5, 8], Column headers: [10, 7, 6, 10]

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Answer: Row 3: [30, 21, 18, 30]; Row 1: [10, 7, 6, 10]; Row 5: [50, 35, 30, 50]; Row 8: [80, 56, 48, 80]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 3
  • 1
  • 5
  • 8
ColHeaders
  • 10
  • 7
  • 6
  • 10
Cells
  • [30,21,18,30]
  • [10,7,6,10]
  • [50,35,30,50]
  • [80,56,48,80]