Multiplying by 11

Multiplying by 11 is easier when adjusting the rule for multiplying by 9. Just think of11 as (10+1)
So 436 × 11 = 4360 + 436 = 4796…that’s the simpler way of explaining why the digits add up to each other like youwrote:
4360
+ 436
—–
4796

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