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 … [Read more...] about Dr. Cotter’s Abacuses
dr. cotter
Start Math Right – Fractions Chapter
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 … [Read more...] about Start Math Right – Fractions Chapter
Start Math Right – Division Chapter
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 … [Read more...] about Start Math Right – Division Chapter
Start Math Right – Multiplication Chapter
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 … [Read more...] about Start Math Right – Multiplication Chapter
Start Math Right – Addition & Subtraction Chapters
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 … [Read more...] about Start Math Right – Addition & Subtraction Chapters
Start Math Right – Teaching Materials Chapter
Want to get a peek into another chapter from the new Start Math Right: The Journey to Mathematics Excellence book? Check this out! Kerry Williams was given access to the Teaching Materials chapter before it was published. Here is a recording of … [Read more...] about Start Math Right – Teaching Materials Chapter


