Use your code cracking skills to work out the punchlines to five Christmas cracker jokes that have been encrypted as secret messages. Each letter is coded using the grid shape surrounding it.
You can also have a go at encrypting your own secret messages, using our Cryptography resource developed by the Open University, with five different ciphers to choose from.
Three Christmas tongue twisters have been encrypted as secret messages, using Pigpen Cipher. Can you crack the code?. Each letter is coded using the grid shape surrounding it.
You can also have a go at encrypting your own secret messages, using our Cryptography resource developed by the Open University, with five different ciphers to choose from.
Maths Week Scotland is back for 2026 with the theme Maths Matters. To celebrate our tenth year, we will have an extended gala week running over two weekends, from Saturday 19 to Sunday 27 September.
It is almost time for the RSPB Big Schools’ Bird Watch – the largest citizen science project for schools across the UK. Sign up to take part, from 6th January- 13th February 2026.
