hard 4×4 Set 47 Form Exercise

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [5, 6, 4, 2], Column headers: [7, 10, 5, 9]

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Answer: Row 5: [12, 15, 10, 14]; Row 6: [13, 16, 11, 15]; Row 4: [11, 14, 9, 13]; Row 2: [9, 12, 7, 11]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 5
  • 6
  • 4
  • 2
ColHeaders
  • 7
  • 10
  • 5
  • 9
Cells
  • [12,15,10,14]
  • [13,16,11,15]
  • [11,14,9,13]
  • [9,12,7,11]

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [6, 3, 3, 9], Column headers: [7, 3, 8, 9]

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

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