Why does 11 x 5 = 55?

Because adding 11 5's together makes 55.

That is, because 51 + 52 + 53 + 54 + 55 + 56 + 57 + 58 + 59 + 510 + 511 = 55.

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Why does 11 x 5 = 55?

Because adding 11 5's together makes 55.

That is, because 51 + 52 + 53 + 54 + 55 + 56 + 57 + 58 + 59 + 510 + 511 = 55.

Keep practicing