Author Archives: Bill McCallum

About Bill McCallum

I was born in Australia and came to the United States to pursue a Ph. D. in mathematics at Harvard University, met my wife, and never went back. I am a professor at the University of Arizona, working in number theory and mathematics education.

Problem with RSS Feed for Forums Fixed

The link to the RSS feed for the forums (on the right of this page) was broken. I’ve fixed it now. You might not have noticed (I didn’t for a while) because it was simply not updating. So if you … Continue reading

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K–5 Elaborations of the Practice Standards

Illustrative Mathematics, with the assistance of Mary Knuck, Deborah Schifter, and Susan Jo Russell, has been working on developing grade band elaborations of the Standards for Mathematical Practice. Here is a draft of the K–5 document. As usual, please comment … Continue reading

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Zimba Zoomba

For extra added fun, the folks over at Edutron have created a popup version of Jason Zimba’s monster graph of the standards, so that when you mouse over a standard the text of the standard pops up (the mouse over … Continue reading

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Tips on searching this blog

I have finally discovered a forum search feature that works. So the box on the right now searches both the blog posts and the forum topics and replies. Here are three ways you can search this blog: Use the box … Continue reading

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Join with me in support of the Common Core

I have tried to stay out of the politics swirling around the standards and focus this blog on helping people who are trying to implement them. And, after this post, I will keep it that way here at Tools for … Continue reading

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Statement by CBMS presidents in support of the mathematics standards

I thought my readers might be interested in seeing this. The Conference Board on the Mathematical Sciences is an umbrella organization for the various societies in mathematics, applied mathematics, statistics, symbolic logic, and mathematics education. Support Statement for CCSSMath

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Please post questions in the forums

If you have questions about the standards, please click on the Forums tab above and post them in the appropriate forum. There are forums for each K–8 domain and high school conceptual category, and a general forum for questions that … Continue reading

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Progression on the Number System (Grades 6–8) and Number (HS)

Here is the latest progression hot off the presses. It includes the Grades 6–8 Number System domain and the Number part of the High School Number and Quantity category (Quantity part coming soon). As usual, please comment at the forum, … Continue reading

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Modeling Progression, Take 2

After talking to some teachers at PCMI on Tuesday and hearing from my fellow standards writer Jason Zimba I decided to do a quick fix on the modeling progression. The previous version ventured into territory that has been discussed on … Continue reading

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Progressions preface and introduction, and updates to Algebra and Functions

A a couple of things today. First, a a draft of the front matter for the Progressions, including an introduction explaining the sources of evidence, organization, and terminology for the standards. It also lists the members of the work team … Continue reading

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