Did you read the blog on addition and subtraction facts? Let’s continue this thought with 4-digit addition, using the Cotter Abacus. This approach and process helps child understand how and why the traditional addition algorithm works. Start by writing the equation of 4817 + 2639 in a vertical format. Turn the abacus to side 2, with 1000,
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September 2025 Newsletter We want to remind you of the many free resources available to you as a school that uses RightStart Math. 1. Year-Round Continue Reading
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We are excited to announce the release of Dr. Joan Cotter’s new book, Start Math Right—a valuable resource designed to empower educators and parentsContinue Reading
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We want to take a moment to say a special thank you for the incredible work you do. We see the dedication, the late nights, the creativity, and theContinue Reading
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Classical education is built on the foundation of strong reasoning, deep understanding, and mastery of fundamental skills. When it comes toContinue Reading
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January 2025 Newsletter Welcome to the New Year 2025! We hope everyone had a fabulous winter break! As you start the new year, here are someContinue Reading
I am a quilt designer. I’ve made over 250 quilts in my lifetime, 98% of my own design. I’m currently working on my sixth quilt from someone else’s pattern. I have the directions in front of me as I’m approaching on the final steps of Bonnie Hunter’s Allietare quilt design. I find myself struggling to understand
How many different abacuses do you think Dr. Cotter has? Here’s a clue…. Dr. Cotter is holding one of her first abacuses: a Japanese abacus, purchased by a friend who had visited Japan. She became so efficient using this abacus that she was faster and more accurate than she was with a calculator!While you try
Kathleen is here to walk you through the Fractions chapter of the new Start Math Right: The Journey to Mathematics Excellence book. She begins with a story of fractions and confusion from 1972, then goes on to discuss what a fraction is and how to teach fractions. Kathleen also discusses how not to teach fractions!
Listen to how division is addressed in the new Start Math Right: The Journey to Mathematics Excellence book. Teresa Foltin talks about how division is the most challenging of the arithmetic operations, and shares that there are two distinct ways to think about division. One way is to find the size of a group; another
Are you curious how the new Start Math Right: The Journey to Mathematics Excellence book addresses multiplication? Listen to Allison Fitzgibbon share her discoveries from the new book. Allison admits that the multiplication chapter was packed with more information than she had time to cover! She chose to focus on patterns found in math. Multiplication
Rachel is here to give you a summary of the Addition and Subtraction chapters from the new Start Math Right: The Journey to Mathematics Excellence book! Rachel Anderson was one of the proofreaders for Dr. Cotter’s book and shares her insights during the January 2025 Online Conference. She begins with a quote from the book.
