Ever wanted to impress everyone by solving complex multiplication problems in your head, without needing a pencil or paper? It's not magic; it's mental math—a superpower you can learn! This article is ...

break down (partition) a number using your understanding of place value recall times-tables up to 9 x 9 multiply by multiples of powers of ten Multiply each of these numbers by the 1-digit number and ...

19 is only 1 away from 20, so you prefer to start by multiplying 20 times 5, which equals 100. Then we need to take away a squadron of 5, because there are actually only 19 squadrons, not 20. 100 take ...

Four Wappingers elementary students are multiplying up to 384-digit numbers in school. These students, who are in the district's math enrichment program, are getting creative with math theory to solve ...