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over-drawn.bsky.social @over-drawn.bsky.social · 08/10/2026

It usually crops up (falls out of the sky?) when I teach GPs with my FM groups. I love it as a slightly off-piste (Sorry. Couldn't resist) task.

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over-drawn.bsky.social @over-drawn.bsky.social · 06/10/2026

And immediately discovers he's wrong... alas. Single arrows are used too. However, this cheat sheet (found on the web) may be useful.

Logical connections cheat sheet containing Not P, P and Q, P or Q, If P then Q, P if and only if Q

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over-drawn.bsky.social @over-drawn.bsky.social · 06/10/2026

Without being too emphatic, I'm reasonably sure the type of arrows matter. "If A then B" and "If and only if" use these arrows:

An arrow pointing right with two parallel lines leading to the arrow head.

And the same parallel lines with an arrow head on either end.

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UK Maths Trust @ukmathstrust.bsky.social · 05/10/2026

The Team Maths Challenge is BACK for 2027, with over 30 venues across the country offering a day of exciting mathematics for students in Year 8 and 9. Four rounds of fun, challenge and competition await - sign up now! 📣 Teachers! Head to your Competition Profile or ukmt.org.uk to register today!

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over-drawn.bsky.social @over-drawn.bsky.social · 05/10/2026

\cos for short-cut trig, in case it's useful.

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over-drawn.bsky.social @over-drawn.bsky.social · 03/10/2026

I always thought it was a game of two sides...

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Andrew @andrewmaths1.bsky.social · 30/09/2026

TMUA/ESAT Resources Update: Due to popular demand I've uploaded the worksheets and answers in pdf form on Google Drive. Link below. drive.google.com/drive/folder... Please let me know if you find any errors. Questions are taken from lots of sources, some are more obscure than others. c:

drive.google.com

TMUA Resources (on bsky) - Google Drive

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over-drawn.bsky.social @over-drawn.bsky.social · 29/09/2026

So you'll be surrounded by those who have no idea what radians are and those who are rusty. 🤣 Good luck. Hope it goes well.

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Jo Morgan @mathsjem.bsky.social · 26/09/2026

New! A post about what I've been doing lately in my department & my lessons - hopefully with some ideas for teachers to borrow. Plus a link to my latest podcast with Craig Barton where we chat about set changes, AI for homework and poor use of the equals sign. www.resourceaholic.com/2026/09/sept...

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Segar Rogers @segarrogers.bsky.social · 26/09/2026

An Old Akkadian school text problem; only 4000 years old. I think they were interested in how to partition non-rectangular fields for inheritance purposes ... so for 2 brothers say, in the case of this problem. #UKMathsChat #iTeachMath

Old Akkadian school text IM 58045 showing a trapezium partitioned into two equal areas. The parallel sides of the trapezium are 17 and 7 units and the perpendicular distance between these sides is 12 units. The partition is made parallel to the sides of 17 and 7 units. Find the length of the partition line and its distance from the side of 17 units.

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over-drawn.bsky.social @over-drawn.bsky.social · 25/09/2026

How have I missed that website? Fantastic resource. Thank you for sharing/suggesting.

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over-drawn.bsky.social @over-drawn.bsky.social · 25/09/2026

Mocking the hard work of A level pupils turns out to be a sheep shot?

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over-drawn.bsky.social @over-drawn.bsky.social · 25/09/2026

I'm intrigued by this. Have you approached with trying factor pairs and spotting that they work? By substitute, do you mean e.g. y=15/x ? Did you ask them to find another good circle/reciprocal pair?

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over-drawn.bsky.social @over-drawn.bsky.social · 25/09/2026

Coincidentally, I've been linking all of my year 11's quadratic work to sketching graphs today. We explored x=0, y=0 (and hence solving, usually by factorising) and completing the square for min/max. There's a brilliant @draustinmaths.com worksheet that I then gave them to practice. Small steps 😁

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over-drawn.bsky.social @over-drawn.bsky.social · 16/09/2026

This is great! Every so often it's worth reminding myself how good Underground Maths is!

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The Maths Bazaar @themathsbazaar.bsky.social · 06/09/2026

MUST. READ.

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over-drawn.bsky.social @over-drawn.bsky.social · 06/09/2026

I uninstalled the app so I don't see it anymore. Does that count?

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over-drawn.bsky.social @over-drawn.bsky.social · 06/09/2026

I feel that therr's benefit to persuading pupils to ask themselves, "What percentage am I starting with?". For all the easier questions, you start with 100%. For the more challenging, you don't. May come to nothing, but it perhaps prompts thought.

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over-drawn.bsky.social @over-drawn.bsky.social · 06/09/2026

I'm all for not having to have an "aside" to work out c. The y-y1 method means that the working can be done without a break. It also links beautifully with transformation of graphs.

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over-drawn.bsky.social @over-drawn.bsky.social · 02/09/2026

It may also be the fact that the AS material is a subset of the A level material, so there is a larger spread of collisions that the AS spec can choose a smaller proportion of. Not sure if that makes sense. My brain is mushed from last minute timetabling changes.

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over-drawn.bsky.social @over-drawn.bsky.social · 02/09/2026

One might argue that FM2 has the same problem, but with CofM. I quite like the collisions work and it was fun to see a bit of the old M4 course making an appearance. At least no one suggested closest approach made a reappearance 🫣

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over-drawn.bsky.social @over-drawn.bsky.social · 31/08/2026

We do FM1 and FS1, but we've offered extra modules to suitably motivated (nutty) pupils, so FP1 and FM2 have been taught here. The combination seems to offer a good balance. I've taught FM1, FM2 as a combination which I really enjoyed and played well to a mostly engineering aspiring set.

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Jo Morgan @mathsjem.bsky.social · 30/08/2026

New! My 202nd gems post. Ideas, updates and resources for maths teachers. 💎 www.resourceaholic.com/2026/08/5-ma... #ukmathschat

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Susan Whitehouse @susanwhitehouse.bsky.social · 27/08/2026

Underground Maths back up and running today 😀 #ALevelMaths

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over-drawn.bsky.social @over-drawn.bsky.social · 17/08/2026

This is two years away for me and I'm already losing sleep. Hope you find an easy way through it all. And, well done to your son for getting a place 👏

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Stephen Cox @etzsmc.bsky.social · 03/08/2026

New (free) TMUA resource. Three pairs of mini-TMUA exams (8 questions each) on themes (Logic & Proof; Geometry & Graphs; Algebra). Do one of the pair, think about the answers (provided), then do the second of the pair with more confidence. www.tes.com/teaching-res... 70 days and counting...

Front page from one of the TMUA mini exams available by following the link in the post.

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Jo Morgan @mathsjem.bsky.social · 03/08/2026

New! My 201st gems post. Ideas, updates and resources for maths teachers. 💎 www.resourceaholic.com/2026/08/5-ma... #mathstoday #ukmathschat #alevelmaths

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over-drawn.bsky.social @over-drawn.bsky.social · 01/08/2026

They do integrate. The MS allows for complete muppetry in terms of what value ends up in front of e^(-0.5t), as long as you don't adjust the e^(-0.5t) itself, then lets you know the correct coefficient of e^(-0.5t) is (+)4. Hastily scribbled below.

A somewhat rushed response to an integration of six minus two lots of e to the negative a half t between t=0 and t=2ln(2) wrt t

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over-drawn.bsky.social @over-drawn.bsky.social · 25/07/2026

Alphabetical by the first word on the page number equal to your age. A system that's good for twelve whole months!

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over-drawn.bsky.social @over-drawn.bsky.social · 20/07/2026

Half as many as you just counted? 😬

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over-drawn.bsky.social @over-drawn.bsky.social · 13/07/2026

I believe that line is called a vinculum. It separates those who give out specific denominations from those who would like incresed (re)numerations... I'll get my coat.

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Carl Brandt Long @carlblong.bsky.social · 12/07/2026

I made a @desmos.com notebook about an iterative function and its bifurcation diagram: www.desmos.com/notebook/e9x... Suggestions welcome. #iteachmath #mathstoday #mtbos #mathsky

desmos.com

Iterative Function

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In Quires and Places where they meme @quiresandplaces.com · 12/07/2026

"To those who are about to leave a choir you have loved and cherished for the last five or so years - know this: you are not leaving. Not really.

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over-drawn.bsky.social @over-drawn.bsky.social · 10/07/2026

It's excellent. And fun to play with.

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Amanda Austin @draustinmaths.com · 07/07/2026

I've added a new Functions resource to the site today: ✨Solving Equations involving Functions Crack the Code Freely available at www.draustinmaths.com/functions #MathsToday #UKMathsChat

Crack the Code Maths worksheet containing fourteen questions for solving equations involving functions. Suitable for GCSE/IGCSE students.

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Stephen Cox @etzsmc.bsky.social · 06/07/2026

Crikey - the Oxford TMUA livestream events have started already! You can catch up at www.youtube.com/OxfordMathem... (ignore the "MAT" branding; they're for TMUA). See www.maths.ox.ac.uk/study-here/u... for more information. Live sessions every Thursday.

maths.ox.ac.uk

Oxford Maths Admissions Test Livestream | Mathematical Institute

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Jo Morgan @mathsjem.bsky.social · 05/07/2026

New! My 200th gems post. Ideas, updates and resources for maths teachers. 💎 www.resourceaholic.com/2026/07/5-ma... #mathstoday #ukmathschat #alevelmaths

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Catriona Agg @catrionaagg.bsky.social · 04/07/2026

Three regular hexagons. The smallest has area 6. What’s the pink area? #geometrypuzzle

Two corners of the large yellow hexagon, and one corner of each of the other two hexagons, lie on the circle. All the hexagons are regular.

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over-drawn.bsky.social @over-drawn.bsky.social · 03/07/2026

Ah, but then you're involving maximum distance up a slope 😉 I shamelessly foist those problems onto unsuspecting FM pupils, when feeling particularly evil, obviously.

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over-drawn.bsky.social @over-drawn.bsky.social · 03/07/2026

At least the first two turn out to be the same for a=0. Once variable acceleration hits, there's some sort of hidden compulsion "must... use... suvat..."

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over-drawn.bsky.social @over-drawn.bsky.social · 03/07/2026

The worst set of conceptions for direction always seem to occur in lift problems, or when the word deceleration is used. Woe betide any negative deceleration users 🤣🤣🤣

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over-drawn.bsky.social @over-drawn.bsky.social · 03/07/2026

I certainly use language like, "we have to split this force in such a way that one component is parallel to the slope and the other perpendicular", which lends itself to some nice triangles. One could produce lots of *force triangles* in different orientations and ask which are equivalent (* yuk) 😁

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over-drawn.bsky.social @over-drawn.bsky.social · 03/07/2026

In terms of basic kinematics, pupils are mostly fine with velocity and acceleration having a direction, but it takes longer to embed displacement, both in terms of direction and difference from distance travelled.

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