Here are some fun and smart tricks to deal with tricky square root problems with speed and accuracy: The nearby perfect square trick. ... Example: √70 sits between √64 = 8 and √81 = 9.

Prime numbers, vital in mathematics and competitive exams, can be quickly identified using a systematic approach. This method ...

Here are some fun and smart tricks to deal with tricky square root problems with speed and accuracy: ... Example: Find √45. We know 6² = 36 and 7² = 49.