logoNUMPLI
Back to Table

9 × 10 = 90

9 multiplied by 10 equals 90

This shows 9 columns × 10 rows = 90 circles in total

Each row has 9 circles, and there are 10 rows

9 × 10 = 9 + 9 + 9 + 9 + 9 + 9 + 9 + 9 + 9 + 9 = 90

Adding row 1 of 10...

Additional information how to quickly calculate this multiplication:

  1. By 10 method:
    Multiplying by 10 is easy - just add a zero to the number!
    9 × 10 = 90 = 90
  2. Plus method:
    If you know 9 × 9 = 81, then 9 × 10 = 81 + 9 = 90
  3. By 2 method:
    Since 10 is even, if you know 9 × 5 = 45, then 9 × 10 = 45 × 2 = 90
  4. Minus method:
    If you know 9 × 11 = 99, then 9 × 10 = 99 - 9 = 90