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 ...

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 ...

Use multiplication to tell "how many." Multiply by 2 using the grouping of objects. Explore multiplication to help us tell "how many." Multiply by 2 using the grouping of objects and arrays. Connect ...

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 ...

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 ...