# Puzzles

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#### Sunday Afternoon Maths LXVII

Coloured weightsNot Roman numerals

#### Advent calendar 2018

#### Sunday Afternoon Maths LXVI

Cryptic crossnumber #2#### Sunday Afternoon Maths LXV

Cryptic crossnumber #1Breaking Chocolate

Square and cube endings

List of all puzzles

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graphs people maths cryptic crossnumbers digits algebra averages routes functions palindromes ave cards means irreducible numbers square roots partitions circles cryptic clues balancing addition crosswords unit fractions percentages parabolas differentiation scales time games rugby ellipses multiplication geometry menace surds colouring rectangles wordplay indices spheres sums triangles speed doubling 3d shapes quadratics 2d shapes division coordinates shape fractions christmas numbers money chocolate angles logic volume symmetry folding tube maps perfect numbers hexagons pascal's triangle triangle numbers grids cube numbers shapes planes chalkdust crossnumber square numbers mean star numbers books advent perimeter odd numbers complex numbers calculus integration probability polygons sequences remainders squares integers trigonometry multiples dates factorials coins factors number clocks arrows probabilty bases prime numbers proportion area dice taxicab geometry lines regular shapes sport chess sum to infinity floors crossnumbers dodecagons## 11 December

This year, I was involved in starting Chalkdust Magazine. One of my roles for the magazine has been writing the £100 crossnumber puzzle.

What is the answer to 35 across in the first issue's crossnumber?

35A. The smallest number which is one more than triple its reverse. (3)