mscroggs.co.uk
mscroggs.co.uk

subscribe

Puzzles

13 December

Each clue in this crossnumber (except 5A) gives a property of that answer that is true of no other answer. For example: 7A is a multiple of 13; but 1A, 3A, 5A, 1D, 2D, 4D, and 6D are all not multiples of 13. No number starts with 0.

Show answer

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

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

Archive

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