hard 4×4 Set 82 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [8, 6, 5, 10], Column headers: [4, 5, 1, 9]

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Answer: Row 8: [32, 40, 8, 72]; Row 6: [24, 30, 6, 54]; Row 5: [20, 25, 5, 45]; Row 10: [40, 50, 10, 90]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 8
  • 6
  • 5
  • 10
ColHeaders
  • 4
  • 5
  • 1
  • 9
Cells
  • [32,40,8,72]
  • [24,30,6,54]
  • [20,25,5,45]
  • [40,50,10,90]

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [3, 10, 8, 4], Column headers: [1, 9, 2, 3]

Show answer

Answer: Row 3: [4, 12, 5, 6]; Row 10: [11, 19, 12, 13]; Row 8: [9, 17, 10, 11]; Row 4: [5, 13, 6, 7]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 3
  • 10
  • 8
  • 4
ColHeaders
  • 1
  • 9
  • 2
  • 3
Cells
  • [4,12,5,6]
  • [11,19,12,13]
  • [9,17,10,11]
  • [5,13,6,7]