mscroggs.co.uk
mscroggs.co.uk

subscribe

Blog

 2024-11-21 

Christmas (2024) is coming!

Showing all comments about the post Christmas (2024) is coming!. To return to the blog post, click here.

Comments

Comments in green were written by me. Comments in blue were not written by me.
I am so appreciative that you continue to make these puzzles every year. I think I started doing them in 2017 and always enjoy them. Thank you!
Jessica
×2                 Reply
Thanks Scroggs - first time I've done this and very much enjoyed the days and also the meta-puzzling. Brilliant!!. If you run in future years I have one request for a tiny tweak - I find the numbers on the advent calendar for the days very small for my ageing eye-sight - any chance of a bigger font? And last suggestion - when it gets to the end, provide a link to your "buy me a cup of tea" page as this is more than worth a few £s :-). Thanks again :-)
Justin
×1                 Reply
@Seth Cohen: Thanks Seth, I solved it by looking at the 5×5 picture and thinking harder. Thanks to Matthew for another enjoyable set of puzzles. I look forward to reading the proper solution.
Reza
                 Reply
Had a great time doing this puzzles again this year! 23 was particularly fun :) Thanks for taking the time to make this!
Bill V.
                 Reply
I enjoyed working the advent puzzles. Thank you for providing such fun entertainment and math challenges! Attempted most without any programming help but some begged for a programming solution. Refreshed some former Python skills to happily solve a few puzzles. Looking forward to math solutions. Merry Christmas and Happy Holidays!
Tony
×1                 Reply
Thanks for the great puzzles! It's nice to be reminded I haven't forgotten everything I learned in school.
James D
×1                 Reply
Merry Christmas! Thanks for the puzzles! They were fantastic!
Kristen
×1                 Reply
@Reza: I think he reworded it. As for how to solve it, I didn't find a formula or anything. I just basically used his 5x5 example and extrapolated it. It's much less complex than you think it'll be.
Seth Cohen
   ×1              Reply
Thank you again for such an enjoyable set of puzzles. I think #6 was my favorite.
Don
×1                 Reply
Could I have some help with puzzle 23. I don't see anything about a 3×3 block. How to arrive at a formula for the number of squares that need colouring?
Reza
                 Reply
Thank you so much for making these calendars each year - they've really become a part of our holiday routine, and I look forward to solving each puzzle in the quiet morning hours.
Tyler
×2                 Reply
Another great calendar! Looking forward to the solution write-ups in the new year to see how all the puzzles I solved with Python were meant to be solved with pure mathematics :D
Aaron
×1                 Reply
Great fun as always. Thanks for putting it together and merry Christmas!
Joe Gage
×1                 Reply
Such a treat, thanks for all the effort! I was flying solo this year after my usual puzzle wingman dropped out. Finite Group members kindly helped out.
Lizzie
×1                 Reply
I've just completed all the puzzles in the mscroggs.co.uk Advent calendar! My favourite puzzles were the fill in 1-9 ones.
Deborah Tayler
×1                 Reply
That was great fun again. Thans a lot for all the effort that went into creating these puzzles!
Gert-Jan
×1   ×1              Reply
@Dr. Matrix: Thanks, I've corrected it
Matthew
                 Reply
For Day 23: "so that every 9×9 block of squares in the grid contains" perhaps should read "so that every 3×3 block of 9 squares in the grid contains"
Dr. Matrix
   ×1              Reply
@Seth Cohen: In response to my earlier comment, I solved it assuming it's correct as written, so I guess it's correct as written!
Seth Cohen
   ×2              Reply
In today's (Dec 13) puzzle, one of the clues is "A multiple of 1." So...anything? Or is this supposed to be "A multiple of 1D"?
Seth Cohen
                 Reply
You have fixed the text here, but not on the advent calendar page.

Such a treat every year! Thanks for taking the time again.
rea
      ×1           Reply
@Ben: Thanks, I've added the "before"
Matthew
   ×2              Reply
Can't wait!

The last sentence of the first paragraph of the story seems to be missing a word, maybe "deliver the presents before Christmas is ruined"?
Ben
            ×1     Reply
 Add a Comment 


I will only use your email address to reply to your comment (if a reply is needed).

Allowed HTML tags: <br> <a> <small> <b> <i> <s> <sup> <sub> <u> <spoiler> <ul> <ol> <li> <logo>
To prove you are not a spam bot, please type "r" then "a" then "t" then "i" then "o" in the box below (case sensitive):

Archive

Show me a random blog post
 2025 

Mar 2025

How to write a crossnumber

Jan 2025

Christmas (2024) is over
Friendly squares
 2024 
▼ show ▼
 2023 
▼ show ▼
 2022 
▼ show ▼
 2021 
▼ show ▼
 2020 
▼ show ▼
 2019 
▼ show ▼
 2018 
▼ show ▼
 2017 
▼ show ▼
 2016 
▼ show ▼
 2015 
▼ show ▼
 2014 
▼ show ▼
 2013 
▼ show ▼
 2012 
▼ show ▼

Tags

turtles coins chebyshev christmas card hats latex sobolev spaces matrix of cofactors matrix of minors matrices anscombe's quartet football reuleaux polygons game of life approximation folding tube maps games ucl cross stitch pi finite element method misleading statistics puzzles mathslogicbot map projections braiding asteroids mathsteroids talking maths in public pac-man graph theory final fantasy logo databet inline code electromagnetic field chalkdust magazine news cambridge london draughts squares craft oeis accuracy manchester machine learning errors probability speed people maths guest posts manchester science festival numbers stirling numbers live stream countdown inverse matrices books kings plastic ratio go crochet weak imposition matrix multiplication wave scattering polynomials the aperiodical bodmas signorini conditions light tmip dates crossnumber advent calendar martin gardner wool data triangles noughts and crosses programming game show probability crosswords realhats gerry anderson error bars frobel stickers fonts runge's phenomenon raspberry pi simultaneous equations a gamut of games hannah fry fractals christmas mean computational complexity harriss spiral gaussian elimination php dinosaurs golden ratio sorting javascript dragon curves sport radio 4 rhombicuboctahedron royal baby reddit palindromes flexagons recursion standard deviation quadrilaterals curvature tennis pizza cutting youtube hexapawn propositional calculus zines national lottery estimation interpolation rugby pi approximation day logs statistics bubble bobble finite group mathsjam golden spiral trigonometry boundary element methods video games friendly squares regular expressions weather station sound python gather town exponential growth platonic solids royal institution bots datasaurus dozen world cup matt parker determinants numerical analysis preconditioning 24 hour maths convergence european cup pythagoras folding paper hyperbolic surfaces arithmetic data visualisation dataset correlation edinburgh phd bempp newcastle logic fence posts london underground captain scarlet chess pascal's triangle crossnumbers geometry nine men's morris geogebra menace graphs binary big internet math-off ternary

Archive

Show me a random blog post
▼ show ▼
© Matthew Scroggs 2012–2025