hard 4×4 Set 83 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [1, 4, 8, 8], Column headers: [3, 3, 7, 5]

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Answer: Row 1: [3, 3, 7, 5]; Row 4: [12, 12, 28, 20]; Row 8: [24, 24, 56, 40]; Row 8: [24, 24, 56, 40]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 1
  • 4
  • 8
  • 8
ColHeaders
  • 3
  • 3
  • 7
  • 5
Cells
  • [3,3,7,5]
  • [12,12,28,20]
  • [24,24,56,40]
  • [24,24,56,40]

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [5, 6, 2, 6], Column headers: [5, 3, 9, 3]

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Answer: Row 5: [10, 8, 14, 8]; Row 6: [11, 9, 15, 9]; Row 2: [7, 5, 11, 5]; Row 6: [11, 9, 15, 9]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 5
  • 6
  • 2
  • 6
ColHeaders
  • 5
  • 3
  • 9
  • 3
Cells
  • [10,8,14,8]
  • [11,9,15,9]
  • [7,5,11,5]
  • [11,9,15,9]