hard 4×4 Set 12 Form Exercise

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

Show answer

Answer: Row 10: [16, 20, 17, 19]; Row 6: [12, 16, 13, 15]; Row 2: [8, 12, 9, 11]; Row 5: [11, 15, 12, 14]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 10
  • 6
  • 2
  • 5
ColHeaders
  • 6
  • 10
  • 7
  • 9
Cells
  • [16,20,17,19]
  • [12,16,13,15]
  • [8,12,9,11]
  • [11,15,12,14]

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [8, 6, 6, 8], Column headers: [5, 1, 1, 9]

Show answer

Answer: Row 8: [40, 8, 8, 72]; Row 6: [30, 6, 6, 54]; Row 6: [30, 6, 6, 54]; Row 8: [40, 8, 8, 72]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 8
  • 6
  • 6
  • 8
ColHeaders
  • 5
  • 1
  • 1
  • 9
Cells
  • [40,8,8,72]
  • [30,6,6,54]
  • [30,6,6,54]
  • [40,8,8,72]