Dr. Cotter on Technology
March 12, 2024
People had been seeking simpler ways to perform calculations for centuries. Engineers, until the 1960s, used slide rules, a hand-operated mechanical calculator. It is
Categories
Tag: RightStart
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 Math Anxiety
February 6, 2024
Math anxiety can be thought of as a learned fear of numbers or anything to do with math. It results in feelings of tension
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 Multivides
January 9, 2024
Did you check out our blog on division? And did you read about short division? Isn’t that just wonderful? Now, let’s talk about some practice
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 Addition and Subtraction Facts
December 27, 2023
Addition Addition can be thought of as finding the whole when the parts are known. Place value greatly simplifies finding the sum of two numbers. To
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 Manipulatives
December 11, 2023
When teaching math to a child, there are three important questions to consider: Are manipulatives necessary for teaching math? What is the purpose of