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## Recent Posts

I recently asked teachers what parents do that undermines their efforts to teach children math. Two main themes emerged: The damage of shortcutting mathematical practices and the language of negative...

Those of us in school before the 2010s likely call it carrying the one. Those in school since then probably call it regrouping. Either way, Carrying the one is the process of taking ten units,...

Math Practice At Home: Strategically Choosing and Using Tools

The Common Core State Standards (CCSS) include eight “Mathematical Practices” that teachers and students are encouraged to use throughout their mathematical lives. These are different from the...

The word "algorithm" is getting a lot of air time these days. Between references to "The Algorithm" used by YouTube, Facebook, or other social media and online entertainment platforms and "use the...

Negative Talk and Absolutism: What Teachers Want You to Avoid, Part 2

The original source of the unmodified quote is hard to trace conclusively, but frequently winds back to the company Mathnasium, a tutoring franchise found in the US and Internationally. I recently...

Tricks and Algorithms: What Teachers Want You to Avoid, Part 1

I recently asked teachers what parents do that undermines their efforts to teach children math. Two main themes emerged: The damage of shortcutting mathematical practices and the language of negative...