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

Advent calendar 2017

8 December

The odd numbers are written in a pyramid.
What is the mean of the numbers in the 23rd row?
Tags: numbers

Archive

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

Tags

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

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2019