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 ...

You can solve a lot of multiplication calculations by working things out in your head. Knowing your times table facts is a great way to multiply smaller numbers in your head. However, there are also ...

A concrete method for multiplication. When your child first learns to multiply two two-digit numbers, she will use the area model. This visual tool illustrates how to decompose numbers and find four ...

Four thousand years ago, the Babylonians invented multiplication. Last month, mathematicians perfected it. On March 18, two researchers described the fastest method ever discovered for multiplying two ...

Back in primary school when we were learning how to multiply two, multi-digit numbers by hand, our teacher showed us a little trick to verify that we had the correct result calculated. I was impressed ...

When you multiply decimals by integers (whole numbers), you can use everything you already know about multiplying multi-digit numbers. You can use written or mental methods to multiply decimals by ...