According to research by the author of Playful Interactions Dr. Karyn Purvis, scientists have determined that it takes approximately 400 repetitions to create a new synapse in the brain — unless it’s ...

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 ...

An area model helps your child learn how to multiply two two-digit numbers! WSKG is here to help you help your child understand the basic concepts of the common core curriculum with our Good To Know ...

Multiplication of two numbers is easy, right? At primary school we learn how to do long multiplication like this: Methods similar to this go back thousands of years, at least to the ancient Sumerians ...

When you multiply a 3-digit number by a 1-digit number, the best way to do this without a calculator is to use short multiplication. This is how you would use short multiplication to find out the ...