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Most recent collections
Advent calendar 2023
Advent calendar 2022
Advent calendar 2021
Advent calendar 2020
List of all puzzles
Tags
crosswords
graphs
median
percentages
quadrilaterals
binary
cards
star numbers
grids
menace
functions
sequences
time
area
tangents
circles
partitions
numbers
consecutive numbers
pascal's triangle
unit fractions
digital clocks
polygons
spheres
addition
multiples
wordplay
chocolate
prime numbers
geometric mean
factorials
planes
scales
division
hexagons
volume
balancing
remainders
shapes
sums
tournaments
geometric means
angles
dates
coordinates
square roots
factors
dice
crossnumber
bases
books
crossnumbers
mean
decahedra
coins
even numbers
cryptic crossnumbers
calculus
tiling
floors
number
trigonometry
people maths
odd numbers
sum to infinity
averages
folding tube maps
perfect numbers
cubics
integers
rectangles
chess
advent
matrices
sets
irreducible numbers
shape
fractions
triangles
palindromes
money
2d shapes
the only crossnumber
determinants
quadratics
probability
pentagons
gerrymandering
arrows
expansions
albgebra
algebra
dominos
ellipses
axes
colouring
surds
chalkdust crossnumber
clocks
polynomials
integration
symmetry
ave
digital products
routes
taxicab geometry
cube numbers
squares
games
digits
probabilty
sport
triangle numbers
logic
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consecutive integers
combinatorics
christmas
cryptic clues
geometry
proportion
elections
rugby
lines
doubling
perimeter
dodecagons
regular shapes
multiplication
means
complex numbers
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3d shapes
indices
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