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December 2009, Volume 16, Issue 5

FEATURES

Is Mathematics a Universal Language?
Tim Whiteford
How mathematics is taught in other countries has a significant impact on how students learn it when joining a U.S. classroom.

Reasoning and Sense Making
W. Gary Martin, Lisa Kasmer
What does a new policy publication for high school mathematics have to do with you and elementary school mathematics? Everything! Learn why.   <br><br>  [NOTE: This PDF is an updated version of the article that appeared in print. Figures 3 and 4 have been corrected.]

From Calculating to Calculus
Jeffrey Steckroth
When his elementary task for preservice teachers became an excursion across grade levels, this former secondary school teacher gained appreciation for how closely connected elementary school multiplication is to the algebraic thinking of secondary school mathematics.