Three dimensions are hard Published on January 30, 2024January 28, 2024 by fivecolorssandt@icloud.com Two is easy, four is elegant Sometimes the more sophisticated stuff is easier. Read More
Choosing classes (II) Published on January 16, 2024January 14, 2024 by fivecolorssandt@icloud.com Predicting the future If you had to do High School all over again, what classes would you take? Read More
Choosing classes (I) Published on January 9, 2024January 7, 2024 by fivecolorssandt@icloud.com Supply and demand Choosing next year’s classes can be a puzzle for High School students. Read More
Still behind Published on December 12, 2023December 11, 2023 by fivecolorssandt@icloud.com A fragile system? Teachers are still seeing the effects of the COVID lockdown. Why? Read More
A testing time (II) Published on December 5, 2023December 3, 2023 by fivecolorssandt@icloud.com Different tests What is a test supposed to do, anyway? Read More
Push or pull? Published on November 21, 2023November 20, 2023 by fivecolorssandt@icloud.com Information flow How do you know what you need to know? Read More
The limits of knowledge Published on October 10, 2023October 9, 2023 by fivecolorssandt@icloud.com Necessary learning Nowadays, one needs to learn software in order to learn software. Read More
Free advice Published on September 26, 2023September 25, 2023 by fivecolorssandt@icloud.com And worth every penny Our tutor looks ahead to losing some of his students. Read More
Teaching fractions Published on September 5, 2023September 4, 2023 by fivecolorssandt@icloud.com Elementary does not mean easy Our tutor confronts a challenge. Read More
Teaching old things Published on August 29, 2023August 27, 2023 by fivecolorssandt@icloud.com The uses of the obsolete Something that’s no longer used can still be illuminating. Read More