2024 Summer Game #13: Series Solitaire
August 26, 2024
There’s a lot of things I love about teaching RightStart Math to my children, but one of the top reasons is this: all
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Tag: understanding math
2024 Summer Game #4: Sum(mer) Rummy!
June 24, 2024
It amazes me how my kids can’t wait for summer break – and then within a week, they tell me how bored they are.
Dr. Cotter on Fractions
April 9, 2024
Fractions have a bad reputation as being incomprehensible and unpredictable. Cartoons and jokes exploit this fear of fractions for amusement. Believe or not, it’s
Dr. Cotter on Helping Teach Math
March 26, 2024
There are ways a grandparent, family member, or friend can help a child with math. Here’s a list of seven things that will help
Dr. Cotter on RightStart and Montessori
March 5, 2024
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 and a
Dr. Cotter on Teaching Math
February 13, 2024
I’d like to take some time to discuss the science and art of teaching math. I call it a science because much research has been done
Dr. Cotter on Problem Solving
January 23, 2024
A few years ago while on a shuttle to speak at a math convention, I started talking to a young man next to me.
Dr. Cotter on Division
January 2, 2024
Long division used to be considered the ultimate goal of arithmetic. An earlier division algorithm was so complicated it wasn’t taught until college. Today
Dr. Cotter on Measurements
December 19, 2023
Measurement is an application of math that is an important part of everyday life. We measure length, area, volume, mass (weight), temperature, time, angles,
Dr. Cotter on Multiplication
November 21, 2023
Multiplication has been the mathematical downfall of many children (and adults!). It’s not so much the problem of the algorithms, but rather it’s the