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BBC
10mon
Approximation - maths quiz
The questions in this quiz are suitable for GCSE maths students studying approximation, rounding to decimal places, rounding to significant figures, truncation, estimating calculations ...
ZME Science on MSN
11d
How To Solve Any Problem Using Enrico Fermi’s Back-Of-The-Envelope Math (And Some Common Sense)
“It’s about being able to step back and look at your result. Does it make sense?” says Stefan Funk, a particle physicist who ...
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