Jonathan Hall
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studymaths.bsky.social
Jonathan Hall
@studymaths.bsky.social
1.2K followers 220 following 670 posts
Maths teacher. Creator of MathsBot.com.
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Reposted by Jonathan Hall
bennewmark.bsky.social
Thoughts on this mess.
🧵👇
www.bbc.co.uk/news/article...
Do not always send suspended students home, government tells schools
Changes to England's school system say on-site suspensions should be used for non-violent behaviour.
www.bbc.co.uk
January 29, 2026 at 3:49 PM
Reposted by Jonathan Hall
nathanday.bsky.social
I'd consider these to all be in the realm of Different Surface Same Deep, I reckon.

Some more available here:
interwovenmaths.com/daydream-int...
and here: interwovenmaths.com/making-conne...
A selection of 6 questions using proportional reasoning in different contexts with the same numbers. A prompt saying 'Which is the odd one out?' A selection of 6 questions using linear relationships in different contexts with the same numbers. A prompt saying 'Change each question to make the answer 43.' A selection of 6 questions involving reciprocals in different contexts with the same numbers. A selection of 6 questions involving manipulating a given multiplication in different contexts.
January 28, 2026 at 10:37 PM
Reposted by Jonathan Hall
mathshub.outwood.com
Save the date! 📅  
Our 2026 ITT Conference is coming soon.  
✏️Book your spot here: shorturl.at/rFS7u #ITTConference #SaveTheDate
January 29, 2026 at 7:46 AM
Reposted by Jonathan Hall
jshmtn.bsky.social
I’m stepping back into a HOD role.
I have my own experiences from the first HOD role but what would your best advice be for going into a new dept and what do you wish you’d have been doing from the start?

Please share to get more voices.

(And answer yourself) @themathsbazaar.bsky.social
January 28, 2026 at 12:52 PM
Reposted by Jonathan Hall
themathsbazaar.bsky.social
I've just stepped out of a HOD role! But things that made my dept run smoothly: check every classroom daily, make sure everything is fully stocked, supervise your KS Coordinators getting assessments/SOW ready weeks in advance, you can't send too many emails as long as they're focused & info-giving
January 28, 2026 at 1:15 PM
studymaths.bsky.social
In #MathsToday I busted out the 150 question "20 minute multiplication challenge" from the old 10 ticks as a starter.

Sometimes, you just need to calm down Y9 after a very wet and windy lunch.
January 27, 2026 at 6:20 PM
Reposted by Jonathan Hall
aebmaths.bsky.social
Does anyone have any experience of using UpLearn at A level Maths? It’s a it a worthwhile purchase? Do you use it for intervention or independent learning?
January 23, 2026 at 8:53 PM
studymaths.bsky.social
Used a double number line in #MathsToday to help pupils get to grips with going from one number to another using multiplication.
A double number line with the 1 and 7 times table and a series of 'fill the blank' questions such as 21 x ? = 35.
January 26, 2026 at 5:31 PM
Reposted by Jonathan Hall
mr-man-maths.bsky.social
Looking forward to this! If you have been to any of the #MathsConf then, you will be in for the next stint of my talk in A Level Maths transition. Book a ticket in the link below to find out more about TTR Connect! @ttradioofficial.bsky.social
ttradioofficial.bsky.social Teachers Talk Radio @ttradioofficial.bsky.social · 6d
A selection of the fantastic speakers in the Maths Strand at TTR Connect 2026 - Saturday 14th March in Manchester, make sure you get your free ticket here: www.ttradio.org/connect2026
January 25, 2026 at 8:33 PM
Reposted by Jonathan Hall
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
studymaths.bsky.social
If you need a bunch of ratio table practice where the scalar is a fraction, this resource might be useful.

mathsbot.com/printables/b...
28 ratio tables, each with one missing value. All have fractional scalars between rows and columns.
January 25, 2026 at 5:43 PM
Reposted by Jonathan Hall
draustinmaths.com
New practice grid on rearranging scientific formulae added to the website this morning. Download it and much more at www.draustinmaths.com
#UKMathsChat #MathsToday
A grid of questions to practise rearranging scientific formulae. There are five different formulae from Maths and Physics which need rearranging to make different variables the subject of the formula. The formulae and rearranging gets increasingly difficult with each question.
January 25, 2026 at 11:01 AM
Reposted by Jonathan Hall
interactive-maths.bsky.social
Ever wanted to annotate on a Desmos file?

I have a new free tool that allows you to do just that! Useful for #MathsToday

www.interactive-maths.com/desmos-annot...

@mathsjem.bsky.social @studymaths.bsky.social @themathsbazaar.bsky.social @colleenyoung.bsky.social @suzannerelou.bsky.social
January 25, 2026 at 9:31 AM
studymaths.bsky.social
Looking for simple to use, customisable axes or graph paper?

I've made a couple of tools for this.

Designed to be printed or pasted into PowerPoints etc.
The snipping tool (win+shift+s) is your friend.

mathsbot.com/printables/g...
mathsbot.com/printables/a...
An example generated by the graph paper resource. An example generated by the axes resource.
January 25, 2026 at 8:57 AM
Reposted by Jonathan Hall
mathsimpact.bsky.social
Yeah, people keep trying to do that with "problem solving"

As if you can do that unless you actually have a problem first.
January 24, 2026 at 9:57 PM
Reposted by Jonathan Hall
mathsimpact.bsky.social
I think the Cartesian coordinate system is very definitely a topic on its own.

After that, "graphs" are usually a representation of some other concept, but sometimes they give rise to whole new ideas, e.g. transformation of functions, which wouldn't be apparent without the graph.
January 24, 2026 at 6:44 PM
studymaths.bsky.social
Are graphs a topic in themselves, or just a representation of a concept?

I’m talking about inequalities, quadratics, simultaneous equations etc.

I’ve only had one beer I promise.
January 24, 2026 at 6:37 PM
Reposted by Jonathan Hall
drbennison.bsky.social
A friend of mine has just launched this website that I think is pretty great for generating quick starters for A-Level maths and he has started adding some questions for Further Maths too.

mrhardymaths.co.uk

#MathsToday #ALevelMaths
GCSE Maths – Do Now
mrhardymaths.co.uk
January 23, 2026 at 9:20 PM
studymaths.bsky.social
I've just added a few more of my favourites to the thread. I'm having a LOT of fun making this.
studymaths.bsky.social Jonathan Hall @studymaths.bsky.social · 11d
Specialise, Conjecture and Generalise.

A three-step plan to encourage and develop mathematical thinking.

I'm going to use this thread to share a few of my favourite tasks that lend itself nicely to this idea.

It would be amazing if everyone added their own in the replies.
A poster demonstrating how you can use a three-step plan of specialising, conjecturing and generalising to solve mathematical problems. The poster is split into four areas: 1) The classic problem "How many squares are on a chessboard?" 2) Solving the problem with much smaller boards. 3) Arriving at a conjecture involving square numbers. 4) Generalising the problem ofr all board sizes.
January 24, 2026 at 11:08 AM
Reposted by Jonathan Hall
arithmaticks.bsky.social
Now wondering if this set up works for speed with unit conversions…
Q here would be “Calculate the average speed given a journey of 700m in 15 mins.”

Is the first column superfluous? Feels it is in speed, but needed to give the “standard” conversion rates for exchange?
Ratio table showing conversions for km, m, hrs and mins conversions. Rows showing 1km, 1m, 1 hr and 1 min and the conversions between distance and time in both directions. Answering the question of average speed for a journey of 700m in 15 mins. This is answered on bottom line, with calcs then on the 1 hour row, to give km/h. Ratio table showing conversions for km, m, hrs and mins conversions. This time no row names and only one conversion for distance and time. Answering the question of average speed for a journey of 700m in 15 mins. This is answered on bottom line, with calcs then on the 1 hour row, to give km/h.
January 23, 2026 at 9:43 PM
Reposted by Jonathan Hall
eltimbre.bsky.social
⭐Three vacancies for Maths Education Support Specialists at @meimaths.bsky.social ⭐

1) School & Stakeholder Engagement
2) Secondary Teacher Support
3) Level 3 Teacher Support

Closing date is 09-02-2026

More info can be found here: mei.org.uk/about/careers/

⭐Please share⭐
Careers at MEI - Join our team
We work at the forefront of innovation in education, developing ideas and practical solutions, and welcome the fresh ideas new colleagues can bring.
mei.org.uk
January 23, 2026 at 4:02 PM
Reposted by Jonathan Hall
mrlevmaths.bsky.social
We use these as an intro into these kinds of questions, slowly builds up difficulty so students can practice the process on ones that aren't too crazy!
January 23, 2026 at 1:58 PM
studymaths.bsky.social
I think this could be a nice task to bring together Area, Perimeter, Pythagoras and Inverse functions.

With the main idea that functions are meant to do something useful with an input!
A screenshot of four functions, a picture of a square and the command "Match each function to what it does." The four functions: a) Calculate the area of a square given its diagonal. b) Calculate the diagonal of a square given its area. c) Calculate the perimeter of a square given its area. d) Calculate the area of a square given its perimeter.
January 23, 2026 at 8:00 AM
Reposted by Jonathan Hall
arithmaticks.bsky.social
⭐️ Come and join us at Astrea Academy Trust in disrupting disadvantage in Barnsley! ⭐️

There are two exciting opportunities to join our team at Astrea Academy Netherwood this week. We’re looking for a Lead Practitioner and a Teacher of Maths.
(1/6)
Picture of the Astrea Netherwood Maths Team around a table in discussion at a Trust INSET day.
January 22, 2026 at 8:47 PM
Reposted by Jonathan Hall
richarddare.bsky.social
Trinity School is hiring!

Join a great maths department with a fantastic HoD, great behaviour, collegiate atmosphere, and an all-round lovely school!

Trinity Lewisham School - Vacancies (ECT position)
share.google/69t4ckC9Ead8...
Vacancies
share.google
January 21, 2026 at 8:30 AM