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