Jonathan Hall
@studymaths.bsky.social
Maths teacher. Creator of MathsBot.com.
7 km home through the woods. A bit scary.
November 26, 2025 at 5:18 PM
7 km home through the woods. A bit scary.
November 23, 2025 at 12:18 PM
This years Rudolph ingredients.
November 23, 2025 at 11:49 AM
This years Rudolph ingredients.
Me: Are you sure that staircase is right?
4yo: Yep, I’m making the picture in the book.
@simon-gregg.bsky.social
4yo: Yep, I’m making the picture in the book.
@simon-gregg.bsky.social
November 20, 2025 at 3:01 PM
Me: Are you sure that staircase is right?
4yo: Yep, I’m making the picture in the book.
@simon-gregg.bsky.social
4yo: Yep, I’m making the picture in the book.
@simon-gregg.bsky.social
I used this yesterday with Y7. The number line helped them get their heads around the idea that there is one more "jump" than blanks to fill.
#MathsToday
#MathsToday
November 20, 2025 at 10:12 AM
I used this yesterday with Y7. The number line helped them get their heads around the idea that there is one more "jump" than blanks to fill.
#MathsToday
#MathsToday
In #MathsToday with Y10 we did this set of questions.
I let them choose their preferred method for each question. My model solutions were a ratio table with 100% in the top-left for consistency.
I let them choose their preferred method for each question. My model solutions were a ratio table with 100% in the top-left for consistency.
November 12, 2025 at 6:14 PM
In #MathsToday with Y10 we did this set of questions.
I let them choose their preferred method for each question. My model solutions were a ratio table with 100% in the top-left for consistency.
I let them choose their preferred method for each question. My model solutions were a ratio table with 100% in the top-left for consistency.
Not sure what’s going on with the little ones though?
November 7, 2025 at 7:41 PM
Not sure what’s going on with the little ones though?
Every time I visit my mum I’m always reminded of these mathematical placemats.
November 7, 2025 at 7:39 PM
Every time I visit my mum I’m always reminded of these mathematical placemats.
A great total to have if you want to split a bill evenly in a restaurant.
November 1, 2025 at 12:57 PM
A great total to have if you want to split a bill evenly in a restaurant.
October 24, 2025 at 12:59 PM
A brain dump of mathematical misconceptions.
Which of these might be avoided through careful teaching?
Which of these might be avoided through careful teaching?
October 18, 2025 at 8:03 AM
A brain dump of mathematical misconceptions.
Which of these might be avoided through careful teaching?
Which of these might be avoided through careful teaching?
NEW: A simple to use interactive table to practise multiplying and dividing with surds.
mathsbot.com/tools/surds
mathsbot.com/tools/surds
October 10, 2025 at 11:21 AM
NEW: A simple to use interactive table to practise multiplying and dividing with surds.
mathsbot.com/tools/surds
mathsbot.com/tools/surds
Arbitrary and necessary mathematics.
One of those most important ideas to consider when planning and delivering maths lessons.
Here's my one-slide summary based on Dave Hewitt's article here:
www.lboro.ac.uk/media/media/...
One of those most important ideas to consider when planning and delivering maths lessons.
Here's my one-slide summary based on Dave Hewitt's article here:
www.lboro.ac.uk/media/media/...
October 4, 2025 at 7:43 PM
Arbitrary and necessary mathematics.
One of those most important ideas to consider when planning and delivering maths lessons.
Here's my one-slide summary based on Dave Hewitt's article here:
www.lboro.ac.uk/media/media/...
One of those most important ideas to consider when planning and delivering maths lessons.
Here's my one-slide summary based on Dave Hewitt's article here:
www.lboro.ac.uk/media/media/...
I used this task this week to introduce Y10 to simultaneous equations.
Drawing attention to important decisions that need to be made.
#MathsToday
Drawing attention to important decisions that need to be made.
#MathsToday
October 4, 2025 at 8:45 AM
I used this task this week to introduce Y10 to simultaneous equations.
Drawing attention to important decisions that need to be made.
#MathsToday
Drawing attention to important decisions that need to be made.
#MathsToday
I wasn’t going to, but yet again your post made me get out of the door. Thanks!
September 27, 2025 at 10:45 AM
I wasn’t going to, but yet again your post made me get out of the door. Thanks!
Update: You can now create custom tests on the full-sized version of the KS2 arithmetic generator.
This quick video shows how:
mathsbot.com/primary/ks2
This quick video shows how:
mathsbot.com/primary/ks2
September 25, 2025 at 3:00 PM
Update: You can now create custom tests on the full-sized version of the KS2 arithmetic generator.
This quick video shows how:
mathsbot.com/primary/ks2
This quick video shows how:
mathsbot.com/primary/ks2
In #MathsToday I did this as a starter on estimation.
With the aim of getting pupils to consider which counters are the 'significant' ones.
With the aim of getting pupils to consider which counters are the 'significant' ones.
September 22, 2025 at 4:43 PM
In #MathsToday I did this as a starter on estimation.
With the aim of getting pupils to consider which counters are the 'significant' ones.
With the aim of getting pupils to consider which counters are the 'significant' ones.
After they got good at decomposing numbers, I used this to introduce the idea of finding LCMs efficiently.
#MathsToday
#MathsToday
September 20, 2025 at 7:04 AM
After they got good at decomposing numbers, I used this to introduce the idea of finding LCMs efficiently.
#MathsToday
#MathsToday
In #MathsTomorrow I'm going to try and develop a sense of why we round numbers.
Any good ones to add to my list?
Any good ones to add to my list?
September 14, 2025 at 1:19 PM
In #MathsTomorrow I'm going to try and develop a sense of why we round numbers.
Any good ones to add to my list?
Any good ones to add to my list?
September 13, 2025 at 2:26 PM
In #MathsToday I set my Y9 this little "bonus homework" after introducing prime factors. Wonder if they will spot the link?
September 10, 2025 at 7:21 PM
In #MathsToday I set my Y9 this little "bonus homework" after introducing prime factors. Wonder if they will spot the link?
August 24, 2025 at 8:17 PM
August 21, 2025 at 7:11 AM
A slow 6.5 km struggle after indulging too much at a bbq last night. Feel better for it now though.
August 12, 2025 at 9:22 AM
A slow 6.5 km struggle after indulging too much at a bbq last night. Feel better for it now though.
10.5 km and got back to “Dad your T-shirt looks like Mickey Mouse!”
August 5, 2025 at 8:53 AM
10.5 km and got back to “Dad your T-shirt looks like Mickey Mouse!”