> only instead of partitioning by powers of two they partition by decimal digits (e.g. 4 * 56 --> 4 * 50 + 4 * 6). When I was in secondary school we called thi

> only instead of partitioning by powers of two they partition by decimal digits (e.g. 4 * 56 --> 4 * 50 + 4 * 6). When I was in secondary school we called this “factoring.” Distributivity is great.