For years geometry was not considered a topic that primary students could or should study, even though they are surrounded by geometrical shapes. Some second graders I worked with didn’t consider their geometry work to be math, until they saw numbers … [Read more...] about Dr. Cotter and Geometry
Level G
RS2 Level G, Lesson 119
We just had a student email us with questions about RS2 Level G, Lesson 119. Well, actually, it was Worksheet 119-2, problem 4. Obviously, we need to see what the problems looks like. Here is the first problem. We are given an object and … [Read more...] about RS2 Level G, Lesson 119
RS2 Level H, Lesson 32
Luke gave me call for help with RightStart Mathematics Level H. He was on Lesson 32 and confused on the formula for finding the perimeter of iterations of a fractal. Huh, you say? Well, Lesson 32 discusses Koch Snowflake, a very famous fractal. … [Read more...] about RS2 Level H, Lesson 32
2020 Summer Game #3: Drawing Tools, Squares, and Fractions
A couple years back, I attended the National Unicycle Convention in Rapid City, SD. Yes, you did read “unicycle.” They do things on unicycles that you just can’t believe. Hockey, for example. They play basketball. They race. They perform … [Read more...] about 2020 Summer Game #3: Drawing Tools, Squares, and Fractions
RS1 Level G, Lesson 121
We've had a few calls about Lesson 121, Fibonacci Numbers and Phi, from Level G. This is a hard one, but, oh, what fun when you get it! So, rather than type a long winded explanation and have you read it, I decided to make a video for you. … [Read more...] about RS1 Level G, Lesson 121
