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You thought I was going to talk about a problem that math teachers could use, didn't you? Well, maybe math teachers can use this. (note: when I say "teachers" I really mean "learning facilitators") It ...

Create your own centimeter ruler. Then, estimate and measure with lengths with it. Warm up with a Mystery Math Mistake as you add two 2-digit numbers using a decomposition strategy. Think through ...

Math researchers discovered new evidence about math learning disabilities. Researchers funded by the National Institutes of Health have discovered that the innate ability to estimate quantities is ...