Things I have learnt from the quadratic formula. A 🧵 #ITeachMaths #UKMathsChat - ThreadSky

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mathforge.org • 79 days ago

Things I have learnt from the quadratic formula.

A 🧵

#ITeachMaths #UKMathsChat

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paulakrieg.bsky.social•79 days ago

I love this thread. thank you.

robjlow.bsky.social•79 days ago

Alas, neither you nor I learned from it the basic reading comprehension skills that would have enabled us to see beneath "maths teachers wasted years of my life" to the subtextual critique of an inadequate maths curriculum. Oh well, nothing's perfect.

mathforge.org•79 days ago

(x²+x-2) How to save money: after the fall of the Washington Post, I was wondering how to get my US news and opinions. Thanks to the QF, I can cross the New Yorker off my list.

mathforge.org•79 days ago

(x²-x-2) Not every problem has a unique answer, sometimes there are multiple answers and the right one depends on other factors.

mathforge.org•79 days ago

(x²-2x-3) Occasionally, the stars align and the multiple possibilities collapse down to a single, unassailable option.

mathforge.org•79 days ago

(x²-2x-8) Not every problem has a solution.

mathforge.org•79 days ago

(x²-3x-10) Just because there's no solution doesn't mean we give up. Sometimes, all it takes is a bit of imagination (though it can get quite complex).

mathforge.org•79 days ago

(x²-5x-6) A formula is a shortcut, a way to jump to the end of a story. If all I want to do is solve a problem, all I need is a formula.

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