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mathforge.org
Well, that's my weekend sorted!

#geometrypuzzle #mathsky #UKMathsChat
catrionaagg.bsky.social Catriona Agg @catrionaagg.bsky.social · 1d
Two regular hexagons inside a rectangle. What fraction of the rectangle is shaded?

I found this #geometrypuzzle in my sketchbook - I drew it last June, but I’m pretty sure I never got round to posting it. Better late than never!
A rectangle with one diagonal drawn in. A regular hexagon sits on the left below the diagonal, with one side vertical against the side of the rectangle, one sloping side lying along the diagonal, and a vertex touching the base of the rectangle. A second regular hexagon sits above the diagonal on the right so that the design has rotational symmetry. Everything inside the rectangle but outside the hexagons is shaded blue.
February 7, 2026 at 10:37 AM
draustinmaths.com
✨NEW✨ resources added this morning - challenging volume and surface area questions involving all sorts of compound shapes. Find them at www.draustinmaths.com/volume-and-surface-area
#MathsToday #UKMathsChat
Worksheets containing six questions involving finding volume and surface area of compound shapes. This worksheet includes cubes, cuboids and prisms with parts of cylinders. Worksheet containing six questions involving finding volume and surface area of compound shapes. This worksheet includes cubes, cuboids and prisms.
February 7, 2026 at 9:01 AM
stevemaths.bsky.social
First February #OCRMathsPuzzle for your enjoyment.

Place 9 of the 10 digits from 0-9 in the empty boxes below (1 digit per box), so that the algebraic equation and its solution are correct.​

How many possible ways can you find? ​

#MathsToday #UKMathsChat #GCSEMaths
@cambridgeocr.bsky.social
Place 9 of the 10 digits from 0-9 in the empty boxes (1 per box), so that the algebraic equation and its solution are correct. How many possible ways can you find. two digit boxes y plus two digit boxes equals three digit boxes. y equals two digit boxes. ( a two digit number multiplied by y plus a two digit number equals a three digit number, where y equals a two digit number. The nine digits used are all different)
February 6, 2026 at 11:47 AM
mathforge.org
My instantaneous reaction:

a) this is so cool
b) can I get that as a poster?
c) was that drawn using the knots package in TikZ?

I'll bet that many folks share (a) and (b), but (c) might be a bit niche ...

#mathsky #UKMathsChat #ITeachMaths
cubesart.bsky.social Cubes_Art @cubesart.bsky.social · 9d
Project update:
Tanya and I have been writing up the results of this project and we've realized that all of the knots in this class of patterns are at most 6 "tangle moves" from each other and at most three tangle moves from what we're calling the "great-great-granny knot" (see alt text).
January 30, 2026 at 7:03 PM
mathforge.org
So I'm growing increasingly in favour of "proof by generic example" as a teaching tool, rather than proof by algebraic manipulation. I think it makes the result more concrete.

#ALevelMaths #UKMathsChat #MathsToday
January 28, 2026 at 8:18 PM
segarrogers.bsky.social
Some 'aspects/rules' of ratio tables ... collected together as an aid to proportional reasoning.
'El. V–16' = Euclid's Elements Book 5 Proposition 16

#UKMathsChat
#iTeachMath
Nine 'rules' of ratio tables laid out in a 3 by 3 grid format.
January 25, 2026 at 9:10 PM
segarrogers.bsky.social
Nested ratio tables anyone?? Hmmm?
#UKMathsChat
A small ratio table nested in the bottom left quadrant of a larger ratio table ... the idea being that you solve the nested table and use the answer to then solve the larger table.
January 23, 2026 at 3:28 PM
mathforge.org
In #MathsToday, picking off the little topics of Further Maths with Y13. Started with mean functions, ended with improper integrals. Last example was integrating 1/x from -1 to 1 so I got to finish the lesson with the immortal line:

"The limit does not exist"

#ALevelMaths #UKMathsChat
January 20, 2026 at 8:48 PM
draustinmaths.com
More new #ALevelMaths vectors resources added today:
✨3D Vectors Fill in the Blanks
✨3D Vectors Match-Up
If they're of use, find them at www.draustinmaths.com/a-level
#MathsToday #UKMathsChat
3D Vectors Match-Up activity for A-level Maths students. Match questions with answers, covering 3D coordinates, 3D position vectors, magnitudes and angles. 3D Vectors Fill in the Blanks activity for A-level Maths students. Completion table where students fill in missing information. Covers 3D coordinates, position vectors, magnitudes, unit vectors and angles to positive axes.
January 20, 2026 at 4:27 PM
stevemaths.bsky.social
In #MathsToday looking through AS papers in preparation for Maths Teachers' A Level Network.

Wed 21 January 4pm - 5pm Webinar FREE EVENT

Sign up here: teach.ocr.org.uk/teacher-netw...

Agenda - End of yr 12 tests, Exam Command Words, Networking
#ALevelMaths #UKmathsChat

@cambridgeocr.bsky.social
Decorative image: Free teacher networks. Book your place
January 19, 2026 at 12:57 PM
draustinmaths.com
New #ALevelMaths vectors resources from last week's Year 12 lessons:
✨Modelling with Vectors Fill in the Blanks
✨Position Vectors Fill in the Blanks
Find them at www.draustinmaths.com/a-level
#UKMathsChat #MathsToday
Fill in the blanks task on position vectors suitable for A-level Maths students. Fill in the blanks on modelling with vectors suitable for A-level Maths students.
January 13, 2026 at 1:29 PM
mathsjem.bsky.social
New! My 195th Gems post. 💎

Ideas, resources and updates for maths teachers.

www.resourceaholic.com/2026/01/5-ma...

Hat tips to follow.

#ukmathschat #mathstoday
January 11, 2026 at 2:53 PM
mathforge.org
It is important to recognise that technical language (such as in use in mathematics) is designed to help *those already inside the subject*, and not those who are trying to get in.

Learning proper terminology and learning proper concepts are not necessarily best done simultaneously.

#UKMathsChat
January 11, 2026 at 6:16 PM
susanwhitehouse.bsky.social
It's such a joy to see Maths conversations gather momentum on this platform. I was beginning to wonder if it would ever happen, but this weekend has been great #UKMathsChat #ALevelMaths
January 11, 2026 at 7:45 PM
ecarda1.bsky.social
I think I might be agreeing with you!

I believe there is a stage of "getting a sense of" a concept which precedes and enables "making sense of" that concept.

The transition is assisted by moving from an informal language of description to the technical language of definition.

#UKMathsChat
January 11, 2026 at 7:34 PM
mathforge.org
Does anyone have or know of an introduction to game theory course or book suitable for secondary/high school students?

Thanks.

#UKMathsChat #mathsky #ALevelMaths
January 11, 2026 at 6:37 PM
harryzafar.bsky.social
I've written a second post on using AI in the Maths classroom to aid student learning, this time in generating checks for understanding. May give you some useful ideas

open.substack.com/pub/harryzaf...

#MathsToday #ukmathschat

@mathsjem.bsky.social
Using Artificial Intelligence to Enhance Mathematics Resources: Checks for understanding
I will share some ideas on how I have found AI can support in checks for understanding in the secondary Mathematics classroom.
open.substack.com
January 3, 2026 at 2:31 PM
mathforge.org
Was thinking of some traitors themed lessons, maybe basic probability?

How about, finding the probability that a faithful picking someone to accuse (uniformly at random) happens to pick another faithful?

#UKMathsChat #Traitors #mathsky
January 3, 2026 at 11:09 AM
draustinmaths.com
Happy New Year! Thank you to everyone who continues to support my site through spreading the word, buying coffees and reporting mistakes. Many more resources to come in 2026, starting with some harder indices practice strips I've made for my Year 9s next week. Enjoy!
#MathsToday #UKMathsChat
Two strips of practice questions for students studying fractional and negative indices. The first strip involves simplifying algebraic powers and roots and writing them in index form. The second strip involves solving equations with unknown indices.
January 2, 2026 at 9:32 AM
draustinmaths.com
A belated Merry Christmas! 🎄🎁
Some new resources added today:
✨ Generating formulae from words match-up
✨Quadratic formula problem in context practice grid
Find them both at www.draustinmaths.com/algebra
#UKMathsChat #MathsToday
December 30, 2025 at 5:12 PM
mathsjem.bsky.social
New! My 194th gems post. Ideas, resources and updates for maths teachers. 💎

www.resourceaholic.com/2025/12/5-ma...

Hat tips to follow.

#mathstoday #ukmathschat #alevelmaths
December 29, 2025 at 11:28 AM
harryzafar.bsky.social
I wrote a post about one of the ways in which I've been using AI as part of my lessons. It may be worth a read if you're interested in creating tailored resources for your Maths lessons

open.substack.com/pub/harryzaf...

#MathsToday #ukmathschat
Using Artificial Intelligence to Enhance Mathematics Resources
AI in the Secondary Mathematics classroom
open.substack.com
December 29, 2025 at 4:31 PM
harryzafar.bsky.social
Been finding it helpful to get GCSE coverage of topics easily (as quick recaps) with AI-generated questions, rather than snipping from various sources. Pythagoras example here

The flexibility, for example, of asking for one question to be changed in a certain way is great

#MathsToday #ukmathschat
December 29, 2025 at 9:00 PM
mathforge.org
Has anyone experimented with scoring points in SET?

Playing with people of different experience levels and thinking about how to slow down the quicker players to give the others a chance to build that experience.

How about scoring a set by 1pt for every attribute that differs?

#UKMathsChat #mtbos
December 21, 2025 at 10:04 AM
ridermeister.bsky.social
Some 'Christmas' problem solving with buzzers bought on my PGCE (they come out once a year so should last a lifetime) and making use of the fabulous @ukmathstrust.bsky.social Team Challenges

#MathsToday #AlevelMaths #UKMathsChat
December 18, 2025 at 8:57 AM