What’s so special about the manipulatives used for the RightStart™ Mathematics program? Let’s run through the list. NOT AVAILABLE ELSEWHERE: Cotter AL Abacus: This abacus has 100 beads and is grouped in 5s and 10s using color. It is different from ... Read More
RS2 Level H, Lesson 91
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
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
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’s Game Picks
Do you wonder what game to play? Or looking for a plan for the summer? Especially if you're new to the Math Card Games book? We got you covered!! Here are Dr. Cotter's picks for 12 weeks of games: pre-school, addition, multiplication, and fraction ... Read More
Dr. Cotter and Kathleen at Cambridge University in England
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