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: [2, 6, 2, 9], Column headers: [10, 6, 8, 9]

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Answer: Row 2: [12, 8, 10, 11]; Row 6: [16, 12, 14, 15]; Row 2: [12, 8, 10, 11]; Row 9: [19, 15, 17, 18]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 2
  • 6
  • 2
  • 9
ColHeaders
  • 10
  • 6
  • 8
  • 9
Cells
  • [12,8,10,11]
  • [16,12,14,15]
  • [12,8,10,11]
  • [19,15,17,18]

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [1, 1, 10, 9], Column headers: [4, 7, 7, 10]

Show answer

Answer: Row 1: [3, 6, 6, 9]; Row 1: [3, 6, 6, 9]; Row 10: [6, 3, 3, 0]; Row 9: [5, 2, 2, 1]

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