CHICAGO -- Here's a shout-out to fellow gray-hairs who learned math the "old-fashioned" way, by memorizing simple formulas along with facts about addition and multiplication. This technique is ...

Students in some local elementary schools are learning a completely different way of doing multiplication. It’s a technique that many parents can’t understand. It’s called lattice multiplication. The ...

Here’s a shout-out to fellow gray-hairs who learned math the “old-fashioned” way, by memorizing simple formulas along with facts about addition and multiplication. This technique is anathema in ...