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Archives

Bases – What are They? (Part 1)

How our base 10 system works, and how it relates to other base systems. [...]

Things are Looking Up

Teachers are not being taught math adequately, and generally fail to teach it well to their students. (Do [...]

Standard and Expanded Notation

A mom recently wrote in to ask this question about standard and expanded notation.

“How do you know when you are writing in standard form, expanded form? For example, is the expanded for of 30,048

30000 + 40 + 8 ?

Or for 29,486, the expanded form = 20000 + 9000 + 400 + 80 + 6 [...]

“Now Play Nice and don’t Plot to Kill your Schoolmates”

photo by jonathan229

 

I haven’t been posting much. Sorry. Been in a kind of existential funk.

 

But today I had to include this. It is a link to an article that was in our local paper today, about a heinous phenomenon in a local school. Apparently, some second-graders have been actively plotting to kill a [...]