hard 4×4 Set 80 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [10, 5, 3, 8], Column headers: [5, 5, 6, 9]

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Answer: Row 10: [50, 50, 60, 90]; Row 5: [25, 25, 30, 45]; Row 3: [15, 15, 18, 27]; Row 8: [40, 40, 48, 72]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 10
  • 5
  • 3
  • 8
ColHeaders
  • 5
  • 5
  • 6
  • 9
Cells
  • [50,50,60,90]
  • [25,25,30,45]
  • [15,15,18,27]
  • [40,40,48,72]

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [1, 2, 1, 6], Column headers: [2, 9, 7, 4]

Show answer

Answer: Row 1: [3, 10, 8, 5]; Row 2: [4, 11, 9, 6]; Row 1: [3, 10, 8, 5]; Row 6: [8, 15, 13, 10]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 1
  • 2
  • 1
  • 6
ColHeaders
  • 2
  • 9
  • 7
  • 4
Cells
  • [3,10,8,5]
  • [4,11,9,6]
  • [3,10,8,5]
  • [8,15,13,10]