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 ...

All the common core multiplication strategies for 3rd and 4th graders that have been enlisted above can be used for fourth grade as well, therefore we have not mentioned them again. They can be molded ...

After duplex numbers, let us learn multiplication by triplex numbers. As the name suggests, numbers like 111, 222, 333 are triplex numbers. The method is similar to that of multiplication by duplex ...

Methods similar to this go back thousands of years, at least to the ancient Sumerians and Egyptians. But is this really the best way to multiply two big numbers together? Around 1956, the famous ...