mscroggs.co.uk
mscroggs.co.uk
Click here to win prizes by solving the mscroggs.co.uk puzzle Advent calendar.
Click here to win prizes by solving the mscroggs.co.uk puzzle Advent calendar.

subscribe

Puzzles

18 December

Today's number is the maximum number of pieces that a (circular) pancake can be cut into with 17 straight cuts.

15 December

If the numbers 1 to 7 are arranged 7,1,2,6,3,4,5 then each number is either larger than or a factor of the number before it.
How many ways can the numbers 1 to 7 be arranged to that each number is either larger than or a factor of the number before it?

Archive

Show me a random puzzle
 Most recent collections 

Advent calendar 2019

Sunday Afternoon Maths LXVII

Coloured weights
Not Roman numerals

Advent calendar 2018

Sunday Afternoon Maths LXVI

Cryptic crossnumber #2

List of all puzzles

Tags

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

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2020