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Sample Cotter Abacus App Lessons

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Sample lessons to be used with the Cotter Abacus app are here for you.

What our Customers Are Saying

Thank you so much for your RightStart Math Curricu-lum. I have been using it for 3 years with my son and my daughter is beginning her second year. I love the strategies you use for teaching math and the lessons are fun to teach.

Jennifer Traugott

My 4th-grade daughter has always struggled with math, partly due to dyslexia. We discovered that traditional memorization and step-by-step methods don’t work for her — but RightStart Math does. Its patterns, visualization, and hands-on learning make concepts click. She now understands, enjoys math, and is right on track with her class. Our other kids love the math games, too. RightStart has restored my hope and my daughter’s confidence.

Anna Knotts

My daughter is 7 and this is our 2nd year to use RightStart Math. She is in 2nd grade and is adding and subtracting 4 digits numbers with trading like it is nothing. She also can do her multiplications. The most amazing thing is that when she is somewhere and has to spend her money she is quick to tell them how much change she needs back. I have seen a lot of teenagers and adults who cannot do this. THANK YOU!!! Ready to see what next year’s Level D has for us.

Jana Owens

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