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 2019

Sunday Afternoon Maths LXVII

Coloured weights
Not Roman numerals

Advent calendar 2018

Sunday Afternoon Maths LXVI

Cryptic crossnumber #2

List of all puzzles

Tags

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

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2020