hard 4×4 Set 82 Form Exercise

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [6, 9, 8, 4], Column headers: [4, 4, 2, 1]

Show answer

Answer: Row 6: [10, 10, 8, 7]; Row 9: [13, 13, 11, 10]; Row 8: [12, 12, 10, 9]; Row 4: [8, 8, 6, 5]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 6
  • 9
  • 8
  • 4
ColHeaders
  • 4
  • 4
  • 2
  • 1
Cells
  • [10,10,8,7]
  • [13,13,11,10]
  • [12,12,10,9]
  • [8,8,6,5]

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [3, 1, 8, 9], Column headers: [3, 10, 9, 7]

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Answer: Row 3: [9, 30, 27, 21]; Row 1: [3, 10, 9, 7]; Row 8: [24, 80, 72, 56]; Row 9: [27, 90, 81, 63]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 3
  • 1
  • 8
  • 9
ColHeaders
  • 3
  • 10
  • 9
  • 7
Cells
  • [9,30,27,21]
  • [3,10,9,7]
  • [24,80,72,56]
  • [27,90,81,63]