A quick approximation method for square roots involves starting with the nearest perfect square, calculating half the difference between the target number and that perfect square, and adding this value to the square root of the perfect square; for example, √66 ≈ 8.1 by starting with √64 = 8 and adding half of (66-64) = 1.
Install our extension to search inside any video instantly.
√66 Fast Trick 🔥 99% Students Don’t Know This#mathtrick #shorts #mathematics #viralmath#maths #viralAdded:
This looks [music] wrong, but it's actually correct. Let's solve square root 66 in 3 seconds. Start with square root 64. 66 is two more than 64. Half of two is one.
>> [music] >> So, the answer is 8.1.
But, this trick fails in some cases.
>> [music] >> Try square root 67 next.
Related Videos
A Number Plus 5 Is 12
MathGirlTutor
101 views•2026-06-03
Olympiad Mathematics | Indian | Can You Solve This One?
PhilCoolMath
650 views•2026-06-03
H2 Math June Holiday 2026 Intensive Revision | H2 Math Tuition by Achevas #singaporemath #h2math
AchevasTV
304 views•2026-06-01
Escaping the Fog
LogicLemurGaming
760 views•2026-06-03
slick TMUA geometry!
JPiMaths
109 views•2026-06-04
Edexcel IAL S2 Statistics June 2025 - Complete Paper Walkthrough | WST02/01
Math_Mind_1
140 views•2026-06-03
A Brutal Radical Expression Made Easy! The Shortcut Changes Everything.
tamoshop
112 views•2026-06-02
Is This Pentomino Tileable?
3cycle
241 views•2026-05-30
