in the classroom… Digging in the Closet: The Return of the Museum of Rarely Used Math Manipulatives (MoRUMM) 18 Nov 202112 Dec 2021 My officemate and I have an embarrassment of riches -- in the form of math materials. In the first district where I taught, manipulatives were hard to come by. My…
education… The Story of Fibonacci, and the Math Ethnic Studies Framework 17 Oct 201917 Oct 2019 In the late 12th century, a young Leonardo Bonacci -- better known as Fibonacci -- traveled with his merchant father from their home in Italy to Algeria (North Africa). They…
in the classroom Daysha at the Board: Assigning Competence 2 Mar 20195 Feb 2022 "Sit down, Daysha... Daysha." Six-year-old Daysha shot me an icy glare while she leisurely pumped hand sanitizer onto her open palm. The rest of her class was all sitting on…
response Response to Michael Pershan’s Essay, Part 2 13 Jan 201723 Feb 2017 Read Michael's essay, "Missing Factors: On Learning What You Don't Know." Read Part 1: Counting with Celine, about a student I worked with for five years. It was bittersweet to…
child study… Counting with Celine / Response to Michael Pershan’s Essay, part 1 13 Jan 201723 Feb 2017 I read Michael Pershan’s essay, "Missing Factors: On Learning What You Don't Know," twice. He described a familiar experience: when students seem stuck with operational fluency, in spite of our…