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2 × 9 = 18

2 multiplied by 9 equals 18

This shows 2 columns × 9 rows = 18 circles in total

Each row has 2 circles, and there are 9 rows

2 × 9 = 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 = 18

Adding row 1 of 9...

Additional information how to quickly calculate this multiplication:

  1. Plus method:
    If you know 2 × 8 = 16, then 2 × 9 = 16 + 2 = 18
  2. Minus method:
    If you know 2 × 10 = 20, then 2 × 9 = 20 - 2 = 18