Author: dhabecker

Equilateral Triangle Puzzle

At the start of the school year, I came across this tweet by @MathEqualsLove… This Week’s Puzzle: Equilateral Triangle. This puzzle is always a favorite! #mtbos #iteachmath #teach180 #puzzlingclassroom — Sarah Carter (@mathequalslove) August 26, 2019 I loved the Equilateral Puzzle, so I finally got around to sharing it with teachers during a […]

Perfect Quiz Protocol

We have long known that the most important aspect of schooling affecting student achievement is the effectiveness of the teacher in the classroom (Wright, Horn, & Sanders, 1997). So then, what exactly do effective teachers do? Two well-known people, Hattie and Marzano, have long thought about this very question. Both have created long laundry lists […]

Benchmarks Assessments Don’t Work

I remember during the era of No Child Left Behind (NCLB), the concept of benchmark assessments took center stage. It seems like everyone was suddenly talking about using benchmark assessments to ensure students from every sub-group were learning. In my school district, the teachers settled on the idea of giving three or four benchmark assessments […]

Math Teachers’ Circles

Imagine a golf coach who never plays golf. An English Literature teacher who doesn’t enjoy reading books. A lifeguard who can’t swim. Pretty absurd, right? Now imagine a math teacher who doesn’t do math. Unfortunately, this is often the case. Now I’m not talking about the math in the textbook. Of course, math teachers do […]