expert 4×4 Set 71 Form Exercise

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

Show answer

Answer: Row 9: [27, 54, 81]; Row 9: [27, 54, 81]; Row 8: [24, 48, 72]

SubType
speed-grid
Difficulty
expert
Operation
×
RowHeaders
  • 9
  • 9
  • 8
ColHeaders
  • 3
  • 6
  • 9
Cells
  • [27,54,81]
  • [27,54,81]
  • [24,48,72]

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [4, 3, 8], Column headers: [2, 1, 6]

Show answer

Answer: Row 4: [6, 5, 10]; Row 3: [5, 4, 9]; Row 8: [10, 9, 14]

SubType
speed-grid
Difficulty
expert
Operation
+
RowHeaders
  • 4
  • 3
  • 8
ColHeaders
  • 2
  • 1
  • 6
Cells
  • [6,5,10]
  • [5,4,9]
  • [10,9,14]