Why does 11 x 11 = 121?

Because adding 11 11's together makes 121.

That is, because 111 + 112 + 113 + 114 + 115 + 116 + 117 + 118 + 119 + 1110 + 1111 = 121.

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Why does 11 x 11 = 121?

Because adding 11 11's together makes 121.

That is, because 111 + 112 + 113 + 114 + 115 + 116 + 117 + 118 + 119 + 1110 + 1111 = 121.

Keep practicing