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
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Tag: RightStart Math
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
Dr. Cotter on Place Value
November 28, 2023
Place value is the very foundation of arithmetic. Place value packages numbers into groups of tens and tens of tens. This makes calculating large
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
RS2 Level H, Lessons 45, 46, and 47
September 13, 2023
The RS2 Level H Lessons 45, 46, and 47 are some of my most favorite lessons. They can be a challenge to grasp, but, oh, what
2023 Summer Game #11: Fraction of Twelve
August 29, 2023
My two youngest children were six and eight when I started schooling them together in RightStart™ Math Level B. About half way through Level D it became
2023 Summer Game #10: Mental Addition
August 22, 2023
One of the many aspects that drew me to RightStart™ Math was the idea of my children learning how to do mental math. Growing
2023 Summer Game #9: Money War
August 15, 2023
Editor’s note: Beth Reid is our Canadian blogger. Today’s game is Money War, Canadian style. For your non-Canadians, don’t worry. This game is totally