On libraries Published on May 17, 2022May 15, 2022 by fivecolorssandt@icloud.com Books of many kinds We present an unusual motivation to run for public office. Read More
Not even the question Published on April 19, 2022April 17, 2022 by fivecolorssandt@icloud.com Styles of mathematics A lot of learning lies ahead. Read More
Stories in the air (I) Published on April 5, 2022April 4, 2022 by fivecolorssandt@icloud.com The definitive version There are some stories you just know. How? Read More
Reading the dial (II) Published on February 22, 2022February 20, 2022 by fivecolorssandt@icloud.com Graphs and indicators Digits can be deceiving. Read More
Reading the dial (I) Published on February 15, 2022February 14, 2022 by fivecolorssandt@icloud.com The graph and the digital clock How do you tell time? Read More
Knowing too much (II) Published on February 8, 2022February 6, 2022 by fivecolorssandt@icloud.com Mind the gap Sometimes there’s a space between too little and too much. Read More
Knowing too much Published on February 1, 2022January 30, 2022 by fivecolorssandt@icloud.com Experience and word problems Who makes the best teacher? Read More
Knowing your limits Published on January 18, 2022January 14, 2022 by fivecolorssandt@icloud.com The art of the possible We consider being more realistic in education. Read More
Unnatural mathematics Published on December 21, 2021December 19, 2021 by fivecolorssandt@icloud.com Horizontal and vertical Learning math involves unlearning many obvious things. Read More
The problem problem Published on December 14, 2021December 13, 2021 by fivecolorssandt@icloud.com A pursuit curve Answering the problems you get in class is less difficult than posing them in the first place. Read More