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Old 13th July 2012, 12:22 PM   #1 (permalink)
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Remembering all those formulas

I am the world's worst at remembering formulas and working out geometry problems. Who has tricks for memorizing some of the important formulas and terms?

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Old 13th July 2012, 01:21 PM   #2 (permalink)
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Re: Remembering all those formulas

Originally Posted by Roseanna View Post
I am the world's worst at remembering formulas and working out geometry problems. Who has tricks for memorizing some of the important formulas and terms?
Hahas, i do not think you are the world worst. But which formulas you u taking about? Area, volume, sine and cosine laws, circle properties. There are alot of them! Maybe you can tell us which area of geometry you are taking about.

For me i think i remember formulas through practice. Frankly i try to understand how people derived this formula, and i try deriving it myself(sometimes even during test and exams!But that is not recommended), cos i remember things if i understand them.

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Old 13th July 2012, 01:34 PM   #3 (permalink)
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Re: Remembering all those formulas

Derivation is not a bad way to memorise certain formulas! For example equation of trajectory can be derived from your basic equations of motion. As for the basic formulas, writing and rewriting the formula sheet can help a little, but it would be best if you understand the formulas.

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Old 13th July 2012, 04:57 PM   #4 (permalink)
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Re: Remembering all those formulas

Practice those kind of questions and you'll see yourself remembering them

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Old 13th July 2012, 05:03 PM   #5 (permalink)
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Re: Remembering all those formulas

I thought we have a formula sheet included in the "O" level papers?

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Old 15th July 2012, 10:34 PM   #6 (permalink)
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Re: Remembering all those formulas

Originally Posted by megaman123 View Post
Hahas, i do not think you are the world worst. But which formulas you u taking about? Area, volume, sine and cosine laws, circle properties. There are alot of them! Maybe you can tell us which area of geometry you are taking about.

For me i think i remember formulas through practice. Frankly i try to understand how people derived this formula, and i try deriving it myself(sometimes even during test and exams!But that is not recommended), cos i remember things if i understand them.
This! First thing you should do when you learn something new is to find out how they figured it out! This is something most teachers ignore! Because once you do, it'll be stuck inside your head pretty well, and even if you forget it, you can derive it for yourself since you would have understood how it was figured out.

You can find out how certain things were figured out by either looking it up in a textbook/internet, or figuring it out yourself. Figuring it out yourself would serve you a much larger benefit than looking up the reason in a textbook, cuz you'd remember it pretty deeply, and when you forget it, you'll know the kind of derivations that wouldn't work and then you can derive the formula much easily.

Anyway megaman i can relate to you regarding deriving during tests sometimes lol, i virtually make no effort at memorising maths stuff cuz I'll be able to figure them out even if I forget, so TS you should try to heed the advice.

Also, one thing you can notice in those who constantly do very well in maths is that they don't seem to put much effort in studying maths, whereas there are people who mug the formulae like hell and yet they still struggle(or not). So the trick is to understand things from the inside out, and not just memorising blindly.

Here's a small challenge: Prove the Pythagoras theorem, using whatever logical way possible.
ps. Pythagoras theorem is actually very easy to prove, there're over a hundred proofs of it because it's so easy, try to figure it out yourself.

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Last edited by Betakuwe; 15th July 2012 at 10:44 PM.
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