Start Math Right – Addition & Subtraction Chapters
July 3, 2025
Rachel is here to give you a summary of the Addition and Subtraction chapters from the new Start Math Right: The Journey to Mathematics
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Tag: subtraction
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
2023 Summer Game #5: On the Number Ten
July 18, 2023
It is one of those blazing hot, 90º summer days. No one wants to be outside but without air conditioning, inside isn’t much better.
2022 Summer Game #14: Short Chain Subtraction
August 30, 2022
Did you enjoy last week’s game? Happily, there are many variations of the chain games and our family has played most of them as solitaire games.
2022 Summer Game #12: Difference of Two Squares
August 16, 2022
As the summer temperature rises, you may be looking for a non-competitive game. The Difference of Two Squares, game P35 in the Math Card Games book, hits the
2021 Summer Game #13: Zero Corners
August 24, 2021
Summer is such a fun and relaxing time. People are taking vacations, visiting family, enjoying more outside activities, and probably staying up a bit
2021 Summer Game #12: Ten as the Minuend
August 17, 2021
When I started using RightStart Math, I would play many of the games suggested, but my family had our favorites. We would play the
2020 Summer Game #7: Subtraction Bingo
July 16, 2020
Before we introduce this week’s game, Subtraction Bingo, game S24 from the Math Card Games book, I’d like to take a few minutes and discuss WHY we
Winter Games: Difference War
January 8, 2020
It’s time for a subtraction game! We’ll start out with a simple game, then advance to a harder subtraction game in this Winter Games video.
Dr. Cotter on Subtraction Approaches
June 13, 2016
There are at least eight different ways to subtract multi-digit numbers. Even though a person has learned one method, it is good to explore