hard 4×4 Set 15 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [1, 10, 5, 4], Column headers: [7, 2, 7, 5]

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Answer: Row 1: [7, 2, 7, 5]; Row 10: [70, 20, 70, 50]; Row 5: [35, 10, 35, 25]; Row 4: [28, 8, 28, 20]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 1
  • 10
  • 5
  • 4
ColHeaders
  • 7
  • 2
  • 7
  • 5
Cells
  • [7,2,7,5]
  • [70,20,70,50]
  • [35,10,35,25]
  • [28,8,28,20]

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [9, 5, 5, 7], Column headers: [10, 2, 8, 6]

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Answer: Row 9: [19, 11, 17, 15]; Row 5: [15, 7, 13, 11]; Row 5: [15, 7, 13, 11]; Row 7: [17, 9, 15, 13]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 9
  • 5
  • 5
  • 7
ColHeaders
  • 10
  • 2
  • 8
  • 6
Cells
  • [19,11,17,15]
  • [15,7,13,11]
  • [15,7,13,11]
  • [17,9,15,13]