Matt Felton-KoestlerOct 26, 20179 min readPrivilege and Oppression in Math EdA well-respected colleague, Dr. Rochelle Gutiérrez, whose work has been influential on my own thinking and in the field of math education...
Matt Felton-KoestlerSep 28, 20172 min read90 and 90 is...Parker has told me that he knows what 90 and 90 is (or sometimes what 70 and 70 is). About. A. Million. Times. Here was our latest...
Matt Felton-KoestlerSep 28, 20171 min readHow Many Fives in 100?P: I can count to one hundred by fives. M: Okay, let's hear it. P: 5, 10, 15, 20, ... 100 C: What would come after 100? P: 105 M: I...
Matt Felton-KoestlerSep 25, 20172 min readHalves and HundredsI'm reading The Poisonwood Bible for my book club and I just realized we meet this Sunday, not next Sunday, so I'm freaking out about how...