Dr. Cotter on Language

In mathematics we can’t do much without using language. Even though the mathematician may write a mass of equations, she needs words to explain their meaning. Good math instruction requires careful attention to the terms used. We don’t want students … [Read more...]

Dr. Cotter on Counting

Most people think of counting as the foundation of math. So we teach kids to memorize the long string of 100 counting words. Next, to count objects, we teach them to touch each block in turn while saying the next word in the string. After completing … [Read more...]

2018 Summer Game #12: Next Number

The great thing about nephews is that they fill some of the room in your heart and in your schedule after your own boys are grown up and away from the nest. The great thing about math games is that they can be played absolutely anytime, … [Read more...]

2017 Summer Game #4: Bead Trading

Do your children enjoy money? My kids do! They would always compare their stacks of one dollar bills after Christmas or birthdays and see who has more. I used their concept of dollar bills to introduce this next game. We called it "Bank", … [Read more...]