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Many college students who take calculus fail to earn a C or better. Could ‘active learning’ help turn things around? pixabay

Why colleges must change how they teach calculus

Each year large numbers of college students drop plans to become engineers or scientists because of poor performance in calculus. A new 'active learning' approach could help turn things around.
Graphing calculators – like the ones used in this seventh grade Dallas classroom – have become ubiquitous in U.S. education. AP Photo/Tony Gutierrez

The rise – and possible fall – of the graphing calculator

Teachers are starting to ditch graphing calculators for math apps. Was the expensive tech ever worth it – or is it just holding students back?
Lightning moves pretty quickly; would you call it instantaneous? Steven Vanderburg, NOAA

What exactly does ‘instantaneous’ mean?

An instant likely feels different to a person, or a redwood, or a gnat. What's infinitely small for one might be a whole lifetime for another – and that scale influences the choices we make.

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