MathsClass This Week 20 January 2013
Sunday, 20 January 2013 | 0 Comments
This week…
This week on MathsLinks
Fraction Chart – TeacherLED 14 Jan 2013
An improvement of the standard fraction chart for use with a projector/IWB.
Is Zero Even? – Numberphile 13 Jan 2013
A bit about zero – including a discussion of its even-ness!?
Encryption and HUGE numbers – Numberphile 13 Jan 2013
Banks, Facebook, Twitter and Google use epic numbers – based on prime factors – to keep our Internet secrets. This is RSA public-key encryption.
xkcd: Compass and Straightedge 13 Jan 2013
I learned in high school what geometers discovered long ago:
Using only a compass and straightedge, it's impossible to construct friends.
Derivatives Graphs 13 Jan 2013
Explore the changing slope of a few different curves as you change x-values.
This week on MathsKit
Posted in • MathsClass • MathsKit • MathsLinks | Short URL: http://mths.co/2891
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Simon Job — eleventh year of teaching maths in a public high school in Western Sydney, Australia.
MathsClass is about teaching and learning in a maths classroom. more→
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