# Maths Puzzles for the Summer Holidays

It’s time to put your feet up – the summer holidays are finally here, and you are more than ready for an extremely well-deserved rest.

So grab a cup of tea and have a go at one of these maths puzzles! Who ever said that solving maths problems was just for your pupils?

#### 1.Chalkdust Prize Crossnumber

Win £100 if you can solve this tricky crossnumber posted by the Chalkdust team.

#### 2.Liverpool Maths Society Open Problems

These Open Problems are aimed at Sixth-formers, but are certainly challenging enough for a teacher on their holidays.

#### 3.Buy a Martin Gardner Book of Puzzles

The late Martin Gardner (1914-2010) is considered to be the king of recreational mathematics.

#### 4.Radio 4 Puzzles for Today

Tune in each day to the Radio 4 Puzzles for Today, or just scroll through their archive.  A few of these puzzles have been set by Bobby Seagull, a member of the Maths Scholarships Alumni!

If you love a riddle then take a look at these Reader’s Digest Maths Riddles

#### 6.Riddles.com

If you really do love a riddle then riddles.com will be for you.  Many are not particularly ‘maths riddles’, however there is a maths section you can look at.

#### 7.MoMath

The National Museum of Mathematics in New York has a number of puzzles and activities.

#### 8.Mathigon Puzzles

Mathigon is an interactive maths textbook which has a problems and puzzles section.

#### 9.Maths is Fun

The Maths is Fun Website has pages on Maths and Logic Puzzles.

#### 10.Erdős conjecture on arithmetic progressions – win \$5000 dollars

Paul Erdős was a prolific and also eccentric Hungarian mathematician who offered small cash prizes for unsolved maths problems.  If you are looking for a tricky challenge, try to solve the Erdős conjecture on arithmetic progressions and win \$5000 dollars.  If this feels a bit too difficult then you could instead read the biography of Paul Erdős: ‘The man who loved only numbers’ by Paul Hoffman.

By Hazel Lewis