hard 4×4 Set 70 Form Exercise

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

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Answer: Row 10: [20, 10, 30, 40]; Row 3: [6, 3, 9, 12]; Row 4: [8, 4, 12, 16]; Row 2: [4, 2, 6, 8]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 10
  • 3
  • 4
  • 2
ColHeaders
  • 2
  • 1
  • 3
  • 4
Cells
  • [20,10,30,40]
  • [6,3,9,12]
  • [8,4,12,16]
  • [4,2,6,8]

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [2, 8, 1, 6], Column headers: [1, 5, 3, 1]

Show answer

Answer: Row 2: [3, 7, 5, 3]; Row 8: [9, 13, 11, 9]; Row 1: [2, 6, 4, 2]; Row 6: [7, 11, 9, 7]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 2
  • 8
  • 1
  • 6
ColHeaders
  • 1
  • 5
  • 3
  • 1
Cells
  • [3,7,5,3]
  • [9,13,11,9]
  • [2,6,4,2]
  • [7,11,9,7]