Day 141 – Cubes and Roots


Math 8 – The main goal for today was deliberate practice on calculating cubes and cube roots of perfect cubes. That part of the lesson was started with a comparison between the concept of a square and cube, then quickly going over a couple of worked examples, and then practice.

Before the cubes though, we did some voting on a Pythagorean problem. It was a direct copy of a homework problem. Lots of students didn’t do the three homework problems which sort of surprised me. I’m well aware of student attitudes towards homework and I personally think that most of the learning needs to happen in the classroom. But some practice is beneficial, particularly if the majority of students have a decent understanding of the topic.

Parts of today’s lesson were not that dissimilar to my physics classes yesterday, were cognitive science concepts such as distributed practice and deliberate practice come into play.

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