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Don't forget to look at the how to guide.
Discussion in 'Mathematics' started by valed, Apr 14, 2006.
I'm getting bored again
Does that mean you would like a project/Challenge?
keep it at GCSE though please
What about matricies and transformation?
As in "Which matrix transforms shape A to shape B"
My students find it one of the hardest topics at IGCSE.
I teach the unit vector method and also the generalised method of letting the required matrix be ABCD and multiplying the original matrix and forming 2 sets of sym equations.
Some of my student just memorise the list of mattrices and the functions.
Just had a thought,is this in GCSE?
If not, just ignore me.
How about volume of a pyramid? Trying to explain where the formula comes from is always tricky! I think you would definitely get a gold medal if you succeeded with that one! And thanks for making your materials available, some real gems there.
I can do that!
Gimme a few days
That's fabulous, look forward to seeing the results!
That's totally mint! Sorry for lapsing into teen speak but that's brilliant. I saw a pretty complicated example on NRICH with three pyramids fitting together but I think your six is much more intuitive, I like it a lot.
If it's not a trade secret, what are you using to draw your diagrams with? The one with the pyramid inside the cube looks particularly good.
Many thanks again, I only made the suggestion half jokingly but this will be really useful.
Thanks but I am such a NORB!!!!!
There is already a MUCH better version of this already on MathsAnswers - the second last on the Shape menu.
I really must check next time!!! How embarrassing
But, I was bored....
.... and still am, actually .........
I hadn't heard of a NORB before so I googled it.
"NO Reason Boner
Popular among thirteen year old boys.I got a NORB during gym class and had to goto the nurse for her to rub ointment on it."ps. I had forgotten that sort of proof for the pyramid. Thanks for the reminder.
Where I come from, NORB means a fool as in Nought-but-a-fool....
... you had to be there!
Apologies for any offence....
valed - just checking Algebra. Formulae - changing the subject- is that anywhere?
You need one?
Unknown appearing once or twice or both?
Feeling a bit of a NORB myself: Valed's definition, would definitely be worried if it was Mathsteacher1963's definition I'd only raided Maths Answers a couple of days ago and forgot to spot the pyramid volume presentation.
Congratulations on the retirement, everyone who I know who has retired from teaching looks so relaxed!
valed both please - my Year 10s need this!
Any particular rush or can you defer it a week or so?
As it happens, I need to teach my year 9's this after half-term so this is my next project.
PPT will be in 3 parts: 1 = Subj once 2 = Subj twice 3 = New subj raised to a power
I'll do examples of each type, step by step. I will not be reviewing factorisation, multiplying single term over bracket ...
Sounds brilliant valed.
Change Subject of Formula is now available here
Bit rough - comments / feedback please.
New Powerpoint on LINEAR INEQUALITIES here
I would really appreciate any feedback on this and the 'Change Subject of Formula' one recently.