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Comments in green were written by me. Comments in blue were not written by me.
2022-07-31
Interesting.
Could try a same kind of thing using playing card deck(s)? A(=1)-2-3 4-5-6 7-8-9 maybe 3 decks with different colours on their backs.
Willem
on
/blog/94
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Assorted christmaths
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Archive
Show me a random blog post
▼ show ▼
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2026
May 2026
World Cup stickers 2026
Apr 2026
A new puzzle every day
Mixing Wordle with other games
Feb 2026
Christmas (2025) is over
2025
Dec 2025
Christmas card 2025
Nov 2025
Christmas (2025) is coming!
Sep 2025
The partridge puzzle
Aug 2025
TMiP 2025 puzzle hunt
Jun 2025
A nonogram alphabet
Mar 2025
How to write a crossnumber
Jan 2025
Christmas (2024) is over
Friendly squares
2024
Dec 2024
A regular expression Christmas puzzle
Christmas card 2024
Nov 2024
Christmas (2024) is coming!
Feb 2024
Zines, pt. 2
Jan 2024
Christmas (2023) is over
2023
▼ show ▼
▲ hide ▲
Dec 2023
Christmas card 2023
Nov 2023
Christmas (2023) is coming!
Zines
Sep 2023
TMiP 2023 puzzle hunt
May 2023
Chalkdust issue 17
Apr 2023
Logo Asteroids
Mar 2023
Mathsteroids on hyperbolic surfaces
Feb 2023
The databet
Jan 2023
Christmas (2022) is over
2022
▼ show ▼
▲ hide ▲
Dec 2022
Off-by-one errors
Christmas card 2022
Nov 2022
Christmas (2022) is coming!
Oct 2022
24 Hour Maths Game Show
Mar 2022
Approximating π
Feb 2022
Build your own MENACE
Jan 2022
Christmas (2021) is over
2021
▼ show ▼
▲ hide ▲
Dec 2021
Christmas card 2021
Nov 2021
Christmas (2021) is coming!
Sep 2021
TMiP 2021 puzzle hunt
May 2021
Close encounters of the second kind
Jan 2021
Christmas (2020) is over
2020
▼ show ▼
▲ hide ▲
Dec 2020
Christmas card 2020
Nov 2020
Christmas (2020) is coming!
Jul 2020
Happy -26+eg Approximation Day!
May 2020
A surprising fact about quadrilaterals
Interesting tautologies
Mar 2020
Log-scaled axes
Feb 2020
PhD thesis, chapter ∞
PhD thesis, chapter 5
PhD thesis, chapter 4
PhD thesis, chapter 3
Inverting a matrix
PhD thesis, chapter 2
Jan 2020
PhD thesis, chapter 1
Gaussian elimination
Matrix multiplication
Christmas (2019) is over
2019
▼ show ▼
▲ hide ▲
Dec 2019
Visualising MENACE's learning
Christmas card 2019
Nov 2019
Christmas (2019) is coming!
Sep 2019
A non-converging LaTeX document
TMiP 2019 treasure punt
Jul 2019
Big Internet Math-Off stickers 2019
Jun 2019
Proving a conjecture
Apr 2019
Harriss and other spirals
Mar 2019
realhats
Jan 2019
Christmas (2018) is over
2018
▼ show ▼
▲ hide ▲
Dec 2018
Christmas cross stitch
MENACE in fiction
Christmas card 2018
Nov 2018
Christmas (2018) is coming!
Sep 2018
Runge's Phenomenon
Jul 2018
World Cup stickers 2018, pt. 3
Mathsteroids
Jun 2018
World Cup stickers 2018, pt. 2
May 2018
A bad Puzzle for Today
Apr 2018
Building MENACEs for other games
Mar 2018
A 20,000-to-1 baby?
World Cup stickers 2018
Jan 2018
Origins of World War I
Christmas (2017) is over
2017
▼ show ▼
▲ hide ▲
Dec 2017
Christmas card 2017
Nov 2017
Christmas (2017) is coming!
MENACE at Manchester Science Festival
Jun 2017
Big Ben Strikes Again
Mar 2017
The end of coins of constant width
Dragon curves II
Feb 2017
The importance of estimation error
Jan 2017
Is MEDUSA the new BODMAS?
2016
▼ show ▼
▲ hide ▲
Dec 2016
Christmas (2016) is over
Video game surfaces
Christmas card 2016
Nov 2016
Christmas (2016) is coming!
Oct 2016
Logical contradictions
Palindromic dates
Sep 2016
Tube map kaleidocycles
Jul 2016
Solving the cross diagonal cover problem
Jun 2016
Braiding, pt. 2
Braiding, pt. 1
Making names in Life
May 2016
Euro 2016 stickers
Mar 2016
Proving Pythagoras' theorem
Dragon curves
The
Mathematical Games
of Martin Gardner
Jan 2016
Christmas (2015) is over
2015
▼ show ▼
▲ hide ▲
Nov 2015
Christmas (2015) is coming!
Oct 2015
How to kick a conversion
How much will I win on the new National Lottery?
Aug 2015
How OEISbot works
MENACE
Mar 2015
Optimal Pac-Man
Tube map stellated rhombicuboctahedron
Logic bot, pt. 2
Design your own flexagon
Jan 2015
Tube map Platonic solids, pt. 3
2014
▼ show ▼
▲ hide ▲
Nov 2014
Logic bot
Sep 2014
Electromagnetic Field talk
Jun 2014
Tennis maths
May 2014
World Cup stickers
Apr 2014
Countdown probability, pt. 2
Countdown probability
Mar 2014
New machine unfriendly £1 coin, pt. 2
New machine unfriendly £1 coin
2013
▼ show ▼
▲ hide ▲
Dec 2013
Assorted christmaths
Pointless probability
Jul 2013
"Uncanny" royal coincidence
Raspberry Pi weather station
2012
▼ show ▼
▲ hide ▲
Nov 2012
Tube map Platonic solids, pt. 2
Oct 2012
Tube map Platonic solids
Tags
tennis
go
draughts
guest posts
machine learning
data
manchester
royal institution
weak imposition
numbers
gaussian elimination
rugby
dates
stickers
wool
misleading statistics
mean
oeis
arrangement puzzles
determinants
radio 4
folding tube maps
bluesky
fence posts
hannah fry
error bars
graphs
curvature
football
binary
game show probability
hyperbolic surfaces
simultaneous equations
exponential growth
palindromes
mathsteroids
games
books
martin gardner
advent calendar
sorting
chebyshev
rust
chess
people maths
dragon curves
wave scattering
kings
flexagons
convergence
harriss spiral
sobolev spaces
finite group
menace
european cup
game of life
cross stitch
matrices
crochet
braiding
alphabets
graph theory
triangles
numerical analysis
crosswords
approximation
recursion
correlation
pokémon
programming
propositional calculus
signorini conditions
asteroids
rhombicuboctahedron
pizza cutting
youtube
coventry
data visualisation
inline code
light
squares
zines
errors
tmip
sound
gerry anderson
probability
final fantasy
mathslogicbot
electromagnetic field
logs
craft
php
crossnumbers
phd
dinosaurs
statistics
fonts
realhats
countdown
finite element method
sport
noughts and crosses
frobel
big internet math-off
bubble bobble
pi
reuleaux polygons
newcastle
javascript
chalkdust magazine
live stream
christmas card
logic
raspberry pi
anscombe's quartet
royal baby
map projections
datasaurus dozen
national lottery
polynomials
bodmas
christmas
pi approximation day
warwick
speed
tetris
latex
gather town
computational complexity
crossnumber
bempp
kenilworth
london
hats
coins
turtles
arithmetic
pokémon wordle
pythagoras
cambridge
nine men's morris
friendly squares
trigonometry
platonic solids
london underground
a gamut of games
the aperiodical
matt parker
interpolation
captain scarlet
reddit
edinburgh
stirling numbers
pac-man
geometry
video games
preconditioning
wordle
quadrilaterals
ternary
matrix of cofactors
manchester science festival
python
folding paper
nonograms
estimation
matrix multiplication
logo
databet
dataset
partridge puzzle
regular expressions
plastic ratio
bots
inverse matrices
golden spiral
geogebra
hexapawn
pascal's triangle
boundary element methods
ucl
fractals
talking maths in public
24 hour maths
mathsjam
news
runge's phenomenon
thirteen
puzzles
weather station
golden ratio
standard deviation
accuracy
world cup
matrix of minors
© Matthew Scroggs 2012–2026
Could try a same kind of thing using playing card deck(s)? A(=1)-2-3 4-5-6 7-8-9 maybe 3 decks with different colours on their backs.
on /blog/94