hard 4×4 Set 20 Form Exercise

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

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Answer: Row 8: [1, 5, 2, 2]; Row 5: [2, 2, 5, 1]; Row 1: [6, 2, 9, 5]; Row 6: [1, 3, 4, 0]

SubType
speed-grid
Difficulty
hard
Operation
-
RowHeaders
  • 8
  • 5
  • 1
  • 6
ColHeaders
  • 7
  • 3
  • 10
  • 6
Cells
  • [1,5,2,2]
  • [2,2,5,1]
  • [6,2,9,5]
  • [1,3,4,0]

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

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Answer: Row 10: [12, 15, 17, 16]; Row 2: [4, 7, 9, 8]; Row 6: [8, 11, 13, 12]; Row 6: [8, 11, 13, 12]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 10
  • 2
  • 6
  • 6
ColHeaders
  • 2
  • 5
  • 7
  • 6
Cells
  • [12,15,17,16]
  • [4,7,9,8]
  • [8,11,13,12]
  • [8,11,13,12]