Lisa Emerson
@liemers.bsky.social
Teacher of A Level maths and further maths at a sixth form college in northwest London. #edusky 🎓
Love reading, running, hiking and summers in the campervan.
Love reading, running, hiking and summers in the campervan.
I haven’t seen the paper, but assume you can’t do this because of the dy/dx? I’m interested to know the answer.
June 26, 2025 at 10:56 AM
I haven’t seen the paper, but assume you can’t do this because of the dy/dx? I’m interested to know the answer.
Problem solved - I got this
April 2, 2025 at 7:19 AM
Problem solved - I got this
In #ALevelMaths - FM Core Pure Vectors - Does anyone have any ideas how to do the final part of this question. We’ve hit a block and feel there’s too many variables (although I have a sneaking suspicion there is an obvious solution as the numbers are too nice!)?
April 2, 2025 at 6:46 AM
In #ALevelMaths - FM Core Pure Vectors - Does anyone have any ideas how to do the final part of this question. We’ve hit a block and feel there’s too many variables (although I have a sneaking suspicion there is an obvious solution as the numbers are too nice!)?
In #ALevelMaths #MathsToday (yesterday actually) we started with this lovely activity that someone shared at the maths conference last year. We went on to look at geometric and matrix proofs of the addition formulae.
March 19, 2025 at 7:32 AM
In #ALevelMaths #MathsToday (yesterday actually) we started with this lovely activity that someone shared at the maths conference last year. We went on to look at geometric and matrix proofs of the addition formulae.
In FM #ALevelMaths #mathstoday one of my students was trying to prove that Var(X+Y) = Var(X) + Var (Y). They got this far, but couldn’t prove the last bit (attempts moved to the big rolling board from here!). Can anyone help prove the product law of expectation bit? …we know this is way off spec!
February 26, 2025 at 7:58 AM
In FM #ALevelMaths #mathstoday one of my students was trying to prove that Var(X+Y) = Var(X) + Var (Y). They got this far, but couldn’t prove the last bit (attempts moved to the big rolling board from here!). Can anyone help prove the product law of expectation bit? …we know this is way off spec!
In #mathstoday my A* FM #ALevelMaths lunchtime workshop enjoyed this question - not as easy as they thought it looked on first sight! There was a lovely energy to the room as they argued it out on big boards.
January 8, 2025 at 1:13 PM
In #mathstoday my A* FM #ALevelMaths lunchtime workshop enjoyed this question - not as easy as they thought it looked on first sight! There was a lovely energy to the room as they argued it out on big boards.
Happy New Year! In single #ALevelMaths (i.e. not further) for Edexcel. Will students get asked to choose a substitution - specifically for questions like this? I always thought it was given, but that in FM it might not be? In other news, we got the call yesterday, so next week will be fun!
January 7, 2025 at 6:54 AM
Happy New Year! In single #ALevelMaths (i.e. not further) for Edexcel. Will students get asked to choose a substitution - specifically for questions like this? I always thought it was given, but that in FM it might not be? In other news, we got the call yesterday, so next week will be fun!
Read to teach proof in #ALevelMaths #MathsToday using @mrsouthernmaths.bsky.social favourite resource from blog.ifem.co.uk/blog/2018/06...
November 27, 2024 at 7:41 AM
Read to teach proof in #ALevelMaths #MathsToday using @mrsouthernmaths.bsky.social favourite resource from blog.ifem.co.uk/blog/2018/06...
I did this set yesterday and challenged students who finished quickly to create their own similar questions. I particularly like #4!
November 26, 2024 at 8:12 PM
I did this set yesterday and challenged students who finished quickly to create their own similar questions. I particularly like #4!
In #MathsToday with year 12 fm #ALevelMaths we were doing integration questions from www.madasmaths.com - particularly enjoyed this one.
November 22, 2024 at 4:43 PM
In #MathsToday with year 12 fm #ALevelMaths we were doing integration questions from www.madasmaths.com - particularly enjoyed this one.
This set works well with fm too!
November 22, 2024 at 7:16 AM
This set works well with fm too!
Also in further #AlevelMaths #Mathstoday (different class) we were playing around with areas in polar graphs. I love these questions!
November 19, 2024 at 7:37 PM
Also in further #AlevelMaths #Mathstoday (different class) we were playing around with areas in polar graphs. I love these questions!
In #mathstoday with further #ALevelMaths we finished methods in calculus with this beauty…
November 19, 2024 at 7:09 PM
In #mathstoday with further #ALevelMaths we finished methods in calculus with this beauty…
In #ALevelMaths #MathsToday we used this Integral resource to introduce binomial distribution. Students enjoy the dice and then easily make the links to the distribution…and it also provides a nice hook to refer back to when we do hypothesis testing later.
November 14, 2024 at 4:48 PM
In #ALevelMaths #MathsToday we used this Integral resource to introduce binomial distribution. Students enjoy the dice and then easily make the links to the distribution…and it also provides a nice hook to refer back to when we do hypothesis testing later.
In Further Stats #ALevelMaths #MathsToday we were doing exam questions on the big boards and this question proved challenging. Anyone got any other interesting FS questions.
November 12, 2024 at 4:18 PM
In Further Stats #ALevelMaths #MathsToday we were doing exam questions on the big boards and this question proved challenging. Anyone got any other interesting FS questions.
In #ALevelMaths #MathsToday we used this geogebra file to model pulleys www.geogebra.org/m/regzpujq#m... - students got lots of satisfaction from setting the parameters and doing the calculations themselves. I can’t seem to link the right page…or give credit to Mark Willis.
November 11, 2024 at 4:28 PM
In #ALevelMaths #MathsToday we used this geogebra file to model pulleys www.geogebra.org/m/regzpujq#m... - students got lots of satisfaction from setting the parameters and doing the calculations themselves. I can’t seem to link the right page…or give credit to Mark Willis.
Two different approaches by students…
November 6, 2024 at 4:32 PM
Two different approaches by students…
In my lunchtime workshop for further #ALevelMaths #MathsToday we did this question which follows nicely from @ecrmaths.bsky.social post yesterday.
November 6, 2024 at 4:31 PM
In my lunchtime workshop for further #ALevelMaths #MathsToday we did this question which follows nicely from @ecrmaths.bsky.social post yesterday.
They still exist in the formula book, but not actually on the spec any more.
October 22, 2024 at 9:35 PM
They still exist in the formula book, but not actually on the spec any more.
My board work is embarrassingly messy today, especially compared to @catrionaagg.bsky.social, but does this make sense?
September 30, 2024 at 5:44 PM
My board work is embarrassingly messy today, especially compared to @catrionaagg.bsky.social, but does this make sense?
In #mathstoday, finishing off integration with my fm class before starting CP2 and enjoyed this question.
September 27, 2024 at 8:26 PM
In #mathstoday, finishing off integration with my fm class before starting CP2 and enjoyed this question.
This was me! Where do I claim?!
August 26, 2024 at 6:01 PM
This was me! Where do I claim?!
@missradders.bsky.social So the big question is - will your book thread move here or stay on X? As you can see, you have heavily influenced a very enjoyable summer of reading for me!
August 15, 2024 at 7:37 PM
@missradders.bsky.social So the big question is - will your book thread move here or stay on X? As you can see, you have heavily influenced a very enjoyable summer of reading for me!