There are a host of ways to find the first derivative on the CAS calculator and to solve calculus problems quickly.  Sometimes I think exam ...

Teaching students how to visualise the first derivative in 3B MAT has been problematic over the last two years. This morning I had a bit of ...

Ok .. AP's and GP's are now a thing of the past (what?? huh?? when did that happen - in 8A of course!).. we're now onto applic...

Those of you attempting Exercise 8A without students with a thorough grounding in AP's & GP's in year 10 will be scratching yo...

There has been some confusion about how to define variables on the classpad in my class. Here is what we have discovered. If we use a vari...

Ok. Absolute value - easy enough, to take the absolute value of a number, make it positive if it wasn't already. easy peasy... ... until...