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Advent calendar 2016
1 December
All 2016 advent puzzles
~
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One of the digits of today's number was removed to leave a two digit number. This two digit number was added to today's number. The result was 619.
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563
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Most recent collections
Advent calendar 2023
Advent calendar 2022
Advent calendar 2021
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List of all puzzles
Tags
circles
cubics
graphs
cards
consecutive numbers
probabilty
grids
chocolate
arrows
christmas
planes
calculus
partitions
routes
remainders
games
quadrilaterals
percentages
books
algebra
coordinates
ave
crossnumbers
advent
combinatorics
squares
indices
factorials
clocks
cube numbers
scales
logic
crossnumber
products
money
averages
geometric means
odd numbers
differentiation
multiplication
crosswords
gerrymandering
angles
taxicab geometry
means
geometric mean
perimeter
pascal's triangle
folding tube maps
sequences
number
dice
shapes
hexagons
digits
quadratics
cryptic crossnumbers
floors
chalkdust crossnumber
sums
spheres
geometry
the only crossnumber
sport
digital products
palindromes
factors
triangles
shape
expansions
numbers
digital clocks
area
tangents
elections
sum to infinity
integration
people maths
functions
fractions
perfect numbers
parabolas
irreducible numbers
prime numbers
colouring
coins
consecutive integers
volume
unit fractions
time
dates
addition
mean
pentagons
median
binary
axes
ellipses
star numbers
regular shapes
doubling
square numbers
dodecagons
polygons
even numbers
speed
chess
range
balancing
albgebra
trigonometry
2d shapes
rectangles
division
matrices
symmetry
polynomials
3d shapes
lines
integers
square roots
surds
bases
complex numbers
triangle numbers
proportion
dominos
tournaments
rugby
decahedra
sets
menace
determinants
probability
cryptic clues
wordplay
multiples
tiling
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