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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 ...
Create your own centimeter ruler. Then, estimate and measure with lengths with it. Warm up with a Mystery Math Mistake as you add two 2-digit numbers using a decomposition strategy. Think through ...
Mastering quick square root calculations boosts maths exam performance. Speed and accuracy provide a significant advantage in algebra and geometry. Memorising key square roots and using mental math ...
Dreaming of an early exit from work? Here’s how to estimate your ideal corpus based on your age and lifestyle.
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