Cindy Garcia has been a bilingual educator for 17 years and is currently a districtwide specialist for bilingual/ESL mathematics. She is active on Twitter @CindyGarciaTX and on her blog: One of the ...

This article Boost your mental math speed and accuracy with these effective abacus tricks. This practical guide explains fundamental techniques like direct addition and subtraction using complements ...

About 10 years ago, Alan Garfinkel, a professor in the life sciences department at the University of California, Los Angeles, got a call. It was from his dean, who said that the department had ...

Excerpted with permission from Our Mathematical Universe: My Quest for the Ultimate Nature of Reality, by Max Tegmark. Available from Random House/Knopf. Copyright ...