Rob Eastaway challenges you with Diffy Squares in the next installment in our 50 Challenges for 50 Years Anniversary Challenge Book. Rob is an author and speaker, well known for his work making maths accessible to children and parents. His bestselling books include Maths on the Go: 101 Ways to Play with Maths and Why Do Buses Come in Threes? His latest book is called Any Ideas? and his about how to think creatively.
This challenge has several levels and will get your noggin whirring with shapes and numbers – some of the maths things you might like most! There is an ultra-challenge and a genius-challenge for you to have a go at as well.
Members can download the full 50 Challenges for 50 Years book free of charge (normally £7.50).
A hard copy of the full 50 Challenges for 50 Years is also available for £15.00 (including postage and packaging to UK addresses).
You can track your progress using the Challenge Chart. Once you’ve completed as many challenges as you can, send your chart and the answer to or result of the challenge you enjoyed the most to firstname.lastname@example.org and we’ll send you a certificate!