hard 4×4 Set 89 Form Exercise

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [3, 4, 4, 1], Column headers: [8, 2, 9, 10]

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Answer: Row 3: [11, 5, 12, 13]; Row 4: [12, 6, 13, 14]; Row 4: [12, 6, 13, 14]; Row 1: [9, 3, 10, 11]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 3
  • 4
  • 4
  • 1
ColHeaders
  • 8
  • 2
  • 9
  • 10
Cells
  • [11,5,12,13]
  • [12,6,13,14]
  • [12,6,13,14]
  • [9,3,10,11]

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [3, 2, 4, 6], Column headers: [6, 7, 8, 9]

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Answer: Row 3: [3, 4, 5, 6]; Row 2: [4, 5, 6, 7]; Row 4: [2, 3, 4, 5]; Row 6: [0, 1, 2, 3]

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