hard 4×4 Set 90 Form Exercise

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [5, 8, 1, 2], Column headers: [7, 10, 7, 1]

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Answer: Row 5: [2, 5, 2, 4]; Row 8: [1, 2, 1, 7]; Row 1: [6, 9, 6, 0]; Row 2: [5, 8, 5, 1]

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

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

Show answer

Answer: Row 3: [11, 5, 4, 12]; Row 9: [17, 11, 10, 18]; Row 1: [9, 3, 2, 10]; Row 8: [16, 10, 9, 17]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 3
  • 9
  • 1
  • 8
ColHeaders
  • 8
  • 2
  • 1
  • 9
Cells
  • [11,5,4,12]
  • [17,11,10,18]
  • [9,3,2,10]
  • [16,10,9,17]