hard 4×4 Set 50 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [1, 3, 10, 9], Column headers: [5, 4, 9, 10]

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Answer: Row 1: [5, 4, 9, 10]; Row 3: [15, 12, 27, 30]; Row 10: [50, 40, 90, 100]; Row 9: [45, 36, 81, 90]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 1
  • 3
  • 10
  • 9
ColHeaders
  • 5
  • 4
  • 9
  • 10
Cells
  • [5,4,9,10]
  • [15,12,27,30]
  • [50,40,90,100]
  • [45,36,81,90]

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [10, 9, 6, 2], Column headers: [4, 5, 5, 4]

Show answer

Answer: Row 10: [14, 15, 15, 14]; Row 9: [13, 14, 14, 13]; Row 6: [10, 11, 11, 10]; Row 2: [6, 7, 7, 6]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 10
  • 9
  • 6
  • 2
ColHeaders
  • 4
  • 5
  • 5
  • 4
Cells
  • [14,15,15,14]
  • [13,14,14,13]
  • [10,11,11,10]
  • [6,7,7,6]