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RightStart™ Mathematics by Activities for Learning, Inc.

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Dr. Cotter on Why to Learn Math

April 16, 2024

Mathematics is one of the greatest tools we humans have inherited. Math is given to us both as a dedicated area of the brain and as a legacy from our society. Galileo understood the importance of math when, hundreds of years ago, he said: “The great ... Read More

RS2 Level H, Lesson 91

September 15, 2023

Susan wrote us: “Hello, my son and I are struggling with Lesson 91, with problems 9 & 10. Can we please have an explanation? Love your materials! Thank you.” Well, Susan, this took me a while to come up with a good clear explanation! Here’s my ... Read More

RS2 Level H, Lesson 82

September 14, 2023

Today’s blog is thanks to Joanna and her son, Hunter. They live in Florida and started with Level A and are now working on Level H! Here’s Hunter working on Level H, Lesson 82….. This lesson is on pyramids. One of the goals of the lesson is ... Read More

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 fun when you get it! So, rather than type a long winded explanation and have you read it, I made a video for you. With ... Read More

Dr. Cotter and Kathleen at Cambridge University in England

December 3, 2022

In August 2022, Dr. Joan A. Cotter and Kathleen Cotter Clayton spoke at the 16th International Conference of the Mathematics Education for the Future Project at King’s College, Cambridge University, UK. Dr. Cotter presented Teaching ... Read More

Holidays and Math Education

November 30, 2022

Ahhhh. The holidays are here! This means you get to see your family, you can enjoy making good meals and treats with your children, and you get time off from teaching. And then you get to worry that they are not going to remember the math facts that ... Read More

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