expert 4×4 Set 90 Form Exercise

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

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Answer: Row 3: [10, 6, 4]; Row 5: [12, 8, 6]; Row 5: [12, 8, 6]

SubType
speed-grid
Difficulty
expert
Operation
+
RowHeaders
  • 3
  • 5
  • 5
ColHeaders
  • 7
  • 3
  • 1
Cells
  • [10,6,4]
  • [12,8,6]
  • [12,8,6]

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

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Answer: Row 7: [3, 0, 2]; Row 8: [2, 1, 3]; Row 9: [1, 2, 4]

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