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 Fractions
Fractions have a bad reputation in the world of arithmetic as being incomprehensible and unpredictable. Cartoons exploit this fear of fractions for amusement. Believe or not, it’s all a huge misunderstanding. Fractions are necessary and amazing. They ... Read More
Dr. Cotter on Division
Long division used to be considered the ultimate goal of arithmetic. An earlier division algorithm was so complicated it wasn’t taught until college. Even today some students learn a mnemonic in order to remember what to do next. One example is DMSB ... Read More
Dr. Cotter on Multiplication
Multiplication has been the mathematical downfall of many children, not so much because of the algorithms, but memorizing the 100 facts. Before expecting the child to learn the facts, we need to teach the meaning of multiplication. Describing it as ... Read More
Dr. Cotter on Math Anxiety
Math anxiety can be thought of as a learned fear of numbers or anything to do with math. It results in feelings of tension and fear at the sight of numbers or math symbols, causing poor performance in math, especially on tests. Sadly, in the U.S., ... 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