quick idea

Posted on November 12, 2014


… I need a notebook for all of these…

… watching a student wade through conversions from cups to quarts, it’s clear that four cups in a quart is an idea entirely separate from there being 2 cups in a pint and two pints in a quart.   It might be worth having a bunch of examples of familiar units and exploring different ways of expressing relationships…  and helping students see things like that dividing by four and then dividing by two gets the same answer as dividing by 8 — *and* seeing what this looks like in print.

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