Why does 9 × 5 = 45?

Because adding 9 5's together makes 45.

That is, because 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 = 45.

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Keep practicing
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Why does 9 × 5 = 45?

Because adding 9 5's together makes 45.

That is, because 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 = 45.

Keep practicing