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


Show me a random puzzle
 Most recent collections 

Sunday Afternoon Maths LXVII

Coloured weights
Not Roman numerals

Advent calendar 2018

Sunday Afternoon Maths LXVI

Cryptic crossnumber #2

Sunday Afternoon Maths LXV

Cryptic crossnumber #1
Breaking Chocolate
Square and cube endings

List of all puzzles


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


Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2019