Dr. Cotter on RightStart and Montessori

Most people have heard of Montessori, but often they are not sure what it’s all about. The word Montessori refers both to a person, Dr. Maria Montessori (1870-1952), an Italian physician and educator, and the Montessori method of education she … [Read more...]

Dr. Cotter on Technology

When you hear the word technology, you probably think of computers or tablets. But calculators have become an essential electronic tool for performing more complicated arithmetic. People had been seeking simpler ways to perform calculations for … [Read more...]

Dr. Cotter on Measurements

Measurement is an application of math that is an important part of everyday life. We measure length, area, volume, mass (weight), temperature, time, angles, and many other attributes. For more than simple comparisons, we need numbers and a basic … [Read more...]

Dr. Cotter on Problem Solving

A few years ago while on a shuttle to speak on math at a convention, I started talking to a young man next to me. When he found out I was involved in math, he said he could solve story problems as long as someone told him what operation to use. The … [Read more...]

2018 Summer Game #13: On the Number Ten

It is one of those blazing hot, 90º summer days. No one wants to be outside but without air conditioning, inside isn’t much better. My boys’ solution to this dilemma is the nice, cool basement where the computer happens to reside. In my desire to get … [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...]