hard 5×5 Set 21 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [1, 3, 6, 8], Column headers: [9, 10, 9, 8]

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Answer: Row 1: [9, 10, 9, 8]; Row 3: [27, 30, 27, 24]; Row 6: [54, 60, 54, 48]; Row 8: [72, 80, 72, 64]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 1
  • 3
  • 6
  • 8
ColHeaders
  • 9
  • 10
  • 9
  • 8
Cells
  • [9,10,9,8]
  • [27,30,27,24]
  • [54,60,54,48]
  • [72,80,72,64]

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

Show answer

Answer: Row 1: [10, 2, 11, 7]; Row 4: [13, 5, 14, 10]; Row 9: [18, 10, 19, 15]; Row 10: [19, 11, 20, 16]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 1
  • 4
  • 9
  • 10
ColHeaders
  • 9
  • 1
  • 10
  • 6
Cells
  • [10,2,11,7]
  • [13,5,14,10]
  • [18,10,19,15]
  • [19,11,20,16]