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16 × 20 = 320

16 multiplied by 20 equals 320

This shows 16 columns × 20 rows = 320 circles in total

Each row has 16 circles, and there are 20 rows

16 × 20 = 16 + 16 + 16 + 16 + 16 + 16 + 16 + 16 + 16 + 16 + 16 + 16 + 16 + 16 + 16 + 16 + 16 + 16 + 16 + 16 = 320

Adding row 1 of 20...

Additional information how to quickly calculate this multiplication:

  1. Plus method:
    If you know 16 × 19 = 304, then 16 × 20 = 304 + 16 = 320
  2. By 2 method:
    Since 20 is even, if you know 16 × 10 = 160, then 16 × 20 = 160 × 2 = 320