mscroggs.co.uk
mscroggs.co.uk

subscribe

Advent calendar 2017

11 December

Two more than today's number is the reverse of two times today's number.

Archive

Show me a random puzzle
 Most recent collections 

Advent calendar 2025

Advent calendar 2024

Advent calendar 2023

Advent calendar 2022


List of all puzzles

Tags

rugby number arrows area partitions indices hexagons sequences grids floors range tournaments probabilty odd numbers geometric means polygons chocolate trigonometry geometry chess crosswords lists square grids means bases circles pascal's triangle volume matrices regular shapes speed balancing cube numbers polynomials probability the only crossnumber 3d shapes mean ave doubling digital products folding tube maps proportion perfect numbers irreducible numbers consecutive numbers multiplaction squares powers algebra factors median sums factorials games calculus division shapes tangents elections square numbers spheres dominos sport chalkdust crossnumber colouring prime factors money 2d shapes lines averages consecutive integers geometric mean scales surds pentagons even numbers perimeter symmetry books rectangles combinatorics dice dodecagons addition differentiation cards complex numbers shape digits christmas medians fractions menace neighbours digital clocks binary percentages crossnumbers wordplay clocks cubics expansions quadratics coins ellipses quadrilaterals integration multiplication xor star numbers prime numbers squares routes numbers integers sum to infinity parabolas graphs decahedra multiples logic dates square roots angles triangles cryptic crossnumbers determinants coordinates taxicab geometry palindromes time remainders people maths planes gerrymandering tiling sets functions advent axes products albgebra triangle numbers unit fractions cryptic clues

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2026