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