hard 4×4 Set 72 Form Exercise

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [4, 8, 10, 10], Column headers: [7, 10, 8, 8]

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Answer: Row 4: [11, 14, 12, 12]; Row 8: [15, 18, 16, 16]; Row 10: [17, 20, 18, 18]; Row 10: [17, 20, 18, 18]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 4
  • 8
  • 10
  • 10
ColHeaders
  • 7
  • 10
  • 8
  • 8
Cells
  • [11,14,12,12]
  • [15,18,16,16]
  • [17,20,18,18]
  • [17,20,18,18]

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

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Answer: Row 10: [15, 17, 20, 20]; Row 3: [8, 10, 13, 13]; Row 3: [8, 10, 13, 13]; Row 1: [6, 8, 11, 11]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 10
  • 3
  • 3
  • 1
ColHeaders
  • 5
  • 7
  • 10
  • 10
Cells
  • [15,17,20,20]
  • [8,10,13,13]
  • [8,10,13,13]
  • [6,8,11,11]