Take note Published on July 19, 2022July 18, 2022 by fivecolorssandt@icloud.com From the archives Our consultants review some old writings. 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
Reading the dial (II) Published on February 22, 2022February 20, 2022 by fivecolorssandt@icloud.com Graphs and indicators Digits can be deceiving. 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
Attempting the impossible (II) Published on November 9, 2021November 5, 2021 by fivecolorssandt@icloud.com Parallel lines We continue to wonder what good can come of trying to do what can’t be done. Read More
Attempting the impossible Published on November 2, 2021November 2, 2021 by fivecolorssandt@icloud.com Cubic equations Sometimes going beyond 2 is extremely difficult. Read More