mscroggs.co.uk
mscroggs.co.uk

subscribe

Advent calendar 2018

23 December

Today's number is the area of the largest area rectangle with perimeter 46 and whose sides are all integer length.

Show answer

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

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

Archive

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