Add Yahoo as a preferred source to see more of our stories on Google. Using concrete tools or objects matters for fostering mathematical development – but how can children best learn to count by 10?

Join Mrs. Gray for a Mystery Math Mistake with D.C. He needs your help with his number bonds. We will be counting pictures with ten and some more to answer the question "how many?" Episode ...

How to count by 10's to 100. While collecting space rocks for NASA, Ramone has time to show Peg, Cat, Richard and Pig how to count by 10's to 100.

Understanding how children learn to count can have profound impacts on the kinds of instructional materials used in the classroom. And the way those materials are designed can shape the strategies ...