hard 4×4 Set 56 Form Exercise

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [5, 1, 9, 2], Column headers: [10, 6, 6, 9]

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Answer: Row 5: [5, 1, 1, 4]; Row 1: [9, 5, 5, 8]; Row 9: [1, 3, 3, 0]; Row 2: [8, 4, 4, 7]

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

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [10, 9, 7, 9], Column headers: [3, 3, 6, 10]

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Answer: Row 10: [13, 13, 16, 20]; Row 9: [12, 12, 15, 19]; Row 7: [10, 10, 13, 17]; Row 9: [12, 12, 15, 19]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 10
  • 9
  • 7
  • 9
ColHeaders
  • 3
  • 3
  • 6
  • 10
Cells
  • [13,13,16,20]
  • [12,12,15,19]
  • [10,10,13,17]
  • [12,12,15,19]