This week I’m highlighting some nice resources found on drawingonmath. An American blog with a UK URL. Weird. Is that a blogspot thing? Who knows.
Anyway, I stumbled across this cool post about radicals (surds) with this fun activity pictured in it. It’s discussed in more detail at the link.
Circles and Square Roots
I love this post. Particularly as it feeds nicely into a puzzle I wrote a while back:
I made a silly worksheet on surds (radicals)
Below: Collation of resources at resourceaholic.com
Did you know you can use prime factors to calculate square and cube roots (if they’re integers at least)? Now you do.
Here’s a handy worksheet to practise.
prime factor roots
Very useful webpage of surd values of a large number of Sine / Cosine angle values. More than the usual five or so.