expert 4×4 Set 32 Form Exercise

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

Show answer

Answer: Row 3: [11, 10, 12]; Row 7: [15, 14, 16]; Row 9: [17, 16, 18]

SubType
speed-grid
Difficulty
expert
Operation
+
RowHeaders
  • 3
  • 7
  • 9
ColHeaders
  • 8
  • 7
  • 9
Cells
  • [11,10,12]
  • [15,14,16]
  • [17,16,18]

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [9, 5, 3], Column headers: [3, 3, 7]

Show answer

Answer: Row 9: [27, 27, 63]; Row 5: [15, 15, 35]; Row 3: [9, 9, 21]

SubType
speed-grid
Difficulty
expert
Operation
×
RowHeaders
  • 9
  • 5
  • 3
ColHeaders
  • 3
  • 3
  • 7
Cells
  • [27,27,63]
  • [15,15,35]
  • [9,9,21]