mscroggs.co.uk

mscroggs.co.uk

blog puzzles academic talks contact subscribe ↓ ☰ ↓

Comment

Comments

Comments in green were written by me. Comments in blue were not written by me.

2023-01-10

I fought very hard to solve the middle "here are the 6 answers, construct the 6 small problems", but I just couldn't. Hints about that one and the genre in general would be great.

Lise Andreasen
on /blog/100

×7

×7

×7

×7

×7

Archive

Show me a random blog post

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

Jan 2024

Christmas (2023) is over

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

Tags

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2026