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Dr. Cotter on Fractions

Fractions have a bad reputation as being incomprehensible and unpredictable. Cartoons and jokes exploit this…

Dr. Cotter and Geometry

For years geometry was not considered a topic that primary students could or should study,…

Dr. Cotter on Helping Teach Math

There are ways a grandparent, family member, or friend can help a child with math.…

Dr. Cotter on Development

The terms development or developmentally appropriate are frequently used, but finding good definitions is difficult. A dictionary defines develop as

Dr. Cotter on Technology

People had been seeking simpler ways to perform calculations for centuries. Engineers, until the 1960s,…

Dr. Cotter on RightStart and Montessori

Most people have heard of Montessori, but often they are not sure what it’s all…

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