hard 4×4 Set 89 Form Exercise

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [9, 10, 7, 7], Column headers: [10, 3, 10, 8]

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Answer: Row 9: [19, 12, 19, 17]; Row 10: [20, 13, 20, 18]; Row 7: [17, 10, 17, 15]; Row 7: [17, 10, 17, 15]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 9
  • 10
  • 7
  • 7
ColHeaders
  • 10
  • 3
  • 10
  • 8
Cells
  • [19,12,19,17]
  • [20,13,20,18]
  • [17,10,17,15]
  • [17,10,17,15]

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

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Answer: Row 6: [60, 48, 6, 60]; Row 5: [50, 40, 5, 50]; Row 4: [40, 32, 4, 40]; Row 4: [40, 32, 4, 40]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 6
  • 5
  • 4
  • 4
ColHeaders
  • 10
  • 8
  • 1
  • 10
Cells
  • [60,48,6,60]
  • [50,40,5,50]
  • [40,32,4,40]
  • [40,32,4,40]