Tag Archives: trick

Square root in 3 seconds – math trick – YouTube

As  a maths tutor, I’m always on the look out for little tricks to help people solve calculations more quickly. I like this video on how to find the square root of a number in your head. Square root in … Continue reading

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How to square 2 digit numbers ending in 5 (in your head)

This is another trick that my family already knew, but I only learnt it recently so I’m sharing it for anybody out there who doesn’t already know. Squaring 2 digit numbers is easy if they end in 5. 5×5 = … Continue reading

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