CraigsMaths

If you travel 50° for 5 kms and then 165° for 2 kms are far are you from your starting point?  These types of problems are used all the time.  See triangulation.  They are easily solved using the sin, cos and tan trigonometry ratios and a few basic rules of geometry. (more…)

Once you know your times tables by rote a lot of what we do in maths becomes much easier.  As with memorising anything, the trick is to do a little at time.  Practice a few tables each day.  This article includes some tricks you can use and some references to online resources I have found. (more…)