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10 × 4 = 40

10 multiplied by 4 equals 40

This shows 10 columns × 4 rows = 40 circles in total

Each row has 10 circles, and there are 4 rows

10 × 4 = 10 + 10 + 10 + 10 = 40

Adding row 1 of 4...

Additional information how to quickly calculate this multiplication:

  1. By 10 method:
    Multiplying by 10 is easy - just add a zero to the number!
    4 × 10 = 40 = 40
  2. Plus method:
    If you know 10 × 3 = 30, then 10 × 4 = 30 + 10 = 40
  3. By 2 method:
    Since 4 is even, if you know 10 × 2 = 20, then 10 × 4 = 20 × 2 = 40
  4. Minus method:
    If you know 10 × 5 = 50, then 10 × 4 = 50 - 10 = 40