hard 4×4 Set 35 Form Exercise

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [8, 7, 6, 4], Column headers: [10, 5, 8, 9]

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Answer: Row 8: [18, 13, 16, 17]; Row 7: [17, 12, 15, 16]; Row 6: [16, 11, 14, 15]; Row 4: [14, 9, 12, 13]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 8
  • 7
  • 6
  • 4
ColHeaders
  • 10
  • 5
  • 8
  • 9
Cells
  • [18,13,16,17]
  • [17,12,15,16]
  • [16,11,14,15]
  • [14,9,12,13]

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

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Answer: Row 10: [2, 2, 5, 2]; Row 10: [2, 2, 5, 2]; Row 1: [7, 7, 4, 7]; Row 1: [7, 7, 4, 7]

SubType
speed-grid
Difficulty
hard
Operation
-
RowHeaders
  • 10
  • 10
  • 1
  • 1
ColHeaders
  • 8
  • 8
  • 5
  • 8
Cells
  • [2,2,5,2]
  • [2,2,5,2]
  • [7,7,4,7]
  • [7,7,4,7]