hard 4×4 Set 24 Form Exercise

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [8, 9, 8, 1], Column headers: [9, 10, 5, 2]

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Answer: Row 8: [17, 18, 13, 10]; Row 9: [18, 19, 14, 11]; Row 8: [17, 18, 13, 10]; Row 1: [10, 11, 6, 3]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 8
  • 9
  • 8
  • 1
ColHeaders
  • 9
  • 10
  • 5
  • 2
Cells
  • [17,18,13,10]
  • [18,19,14,11]
  • [17,18,13,10]
  • [10,11,6,3]

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [8, 1, 1, 2], Column headers: [10, 3, 4, 5]

Show answer

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

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