mscroggs.co.uk
mscroggs.co.uk

subscribe

Puzzles

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 2020

Advent calendar 2019

Sunday Afternoon Maths LXVII

Coloured weights
Not Roman numerals

Advent calendar 2018


List of all puzzles

Tags

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

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2021