Archive for the 'Arithmetic and mathematics' Category

Bad math brain

Click for larger version from Weapons of Math Destruction

Those clever folks over at Weapons of Math Destruction have stuck yet again with another witty take-down of mal-education in the mathematics area.

As much as I like this one, I think the image of the face for the child “on fuzzy math” should be different. I see fuzzy math and its cousins as resulting more in happy witlessness. That’s the idea: Make it fun and engaging; students’ll just figure it out magically…re-discovering everything from counting through Archimedian insights and onto the calculus. Shouldn’t those kids be smiling?

For those outside the US who are not familiar with the brain-vs-brain-on theme incorporated into this cartoon, here’s a hint: There was an advertisement that first appeared in the 1980s showing a man holding a chicken egg and saying “This is your brain,” then cracking the egg into a frying pan and saying, “This is your brain on drugs.” Here’s a link to a Wikipedia entry about the brain-on-drugs advertisement.

Oh Well…off to a thumbnail catalog from Weapons of Math Destruction for the big version of this cartoon.

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Star on Algebra

Later today (19 February), the Center for Comprehensive School Reform and Improvement will host a Webcast entitled “Making Algebra Work: Instructional Strategies That Deepen Student Understanding.” It will feature Jon R. Star, Assistant Professor, Harvard Graduate School of Education. Professor Star, who studied at the University of Michigan, specialized in students mathematics learning during the middle- and high-school years.

It is slated to run from 2:00 p.m. to 3:00 p.m. (US Eastern). One can register for the event online. Learn more about Professor Star from his Harvard Web site. Link to the Web site of the Center for Comprehensive School Reform and Improvement.

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WMD on calculators

WMD thumbnail

Well, as regular readers know, I sometimes check on the cartoons at Weapons of Math Destruction. I learned about this one yesterday. It’s about some fellows discussing an exorcism of a crazy character who maintains that students do not need to learn multiplication tables.

I have actually heard some mathematics educators contend that students should learn mathematics without reference to numbers. I can imagine how that’s possible, but I sure have a hard time understanding why it’s wise, let alone practical.

The image is linked to it, but you can get to the original on WMD from here, too.

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‘Nother Weapon

WMD thumbnail of cartoon number 90

The folks over at Weapons of Math Destruction released another in the long line of pretty-insightful-and-pretty-funny cartoons about education. Although I do not routinely use the term “educrats,” I see it often and understand its reference to educators who knowingly or unwittingly sustain ineffective educational practices. This cartoon captures an aspect of that idea, and it made me grin.

Link to a larger version

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Math reform matters

It appears that there is a disagreement about how to teach mathematics effectively in at least a half dozen communities around the US. You may already know about rumblings in the states of Washington, as represented by the folks at “Where’s the Math?”, and Missouri, where it’s Columbia Parents for Math that Works. But, what do you know about Ridgewood (NJ, US), Beaverton (OR, US), New York (NY, US), Thousand Oaks, Westlake Village, and Newbury Park (CA, US), and Chicago (and elsewhere in IL, US)? If you know of other groups such as these, please drop a note about them in the comments.

Continue reading ‘Math reform matters’

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How low is your state’s bar?

Time magazine interactive graphic

Time graphic

To what extent does a US state’s high-stakes test correspond with a consistent standard assessment? Using data from the Education Trust and the Colorado (US) Department of Education Time magazine’s Feilding Cage (with help from Jackson Dykman) created one of those nifty Flashy things that provides an interactive means of displaying data. The interactive map, linked from the thumbnail shown here, shows the degree to which states’ reading and math assessments differ from the results of the National Assessment of Educational Progress (NAEP), the standard US metric for achievement.

The results from fewer than 5% of the states’ tests (~2*50) tests are higher than the NAEP. Mostly, it is far easier the NAEP meet standards on the state tests. In the image that I’ve clipped here, one can see that fewer students are judged proficient on South Carolina’s 8th-grade math assessment than on the NAEP. Thus the standard—the NAEP—is more demanding.

To compare across states (i.e., to see where SC’s students stand nationally), one would need to have a consistent measuring stick. The NAEP provides such. States’ high-stakes tests clearly do not.

Because of the way that NAEP scores are developed, this comparison is not based on the scores of the same student on each test, but rather, on an overall comparison. There are lots of technical ins and outs about these comparisons, but the big picture is informative.

I’m attending a meeting of the federal Reading First Advisory Committee and, as serendipity would have it, I stumbled on this article. We were just discussing the problems we’re encountering with not-comparable measures of reading progress across the states; as a result, we’re having a difficult time assessing the effects that Reading First is having on children’s outcomes.

To learn more about the Education Trust, visit the organization’s site. To view another interactive map that allows one to download a detailed comparison of each individual state’s testing, click here. To download a copy of a relevant scholaraly paper from Practical Assessment, Research & Evaluation by Bert Stoneberg, look here.

Flash of the electrons to Maya Frost for her post that alerted me to the Time article.

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Math cartoons

Yes, I have more important things to do than browse cartoons, but I just spent a bit of time looking at “Weapons of Math Destruction,” a string of cartoons conceived by Oak Norton and drawn by Bob Bonham. Many of these are a hoot.

Follow this link to get to the full site where you can explore at your leisure. Follow this link to read Mr. Norton’s account of how the cartoons came into being. Follow this link to see why I blame Barry Garelick for distracting me. Follow any link to Kitchen Table Math to see why I flash the old electrons at Catherine Johnson for keeping me informed.

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WWC releases more results

The What Works Clearinghouse (WWC), an initiative of the U.S. Department of Education’s Institute of Education Sciences that is currently under contract to American Institutes of Research, released several sets of new reports. The reports cover topics in (a) beginning reading, (b) drop-out prevention, (c) early childhood education, (d) elementary school math, (e) English lanaguage learning, and (f) middle school. Here’s a clipping from the release notice.
Continue reading ‘WWC releases more results’

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