Derry shoppers will be challenged on their sums over the next eight days as part of a quirky Maths Week Ireland treasure hunt.

The Sum Craic Maths Quest from Izak9 is open to challengers of all ages at Foyleside Shopping Centre from October 13-21.

Participants are tasked to find and solve maths problems which will be displayed in different shops throughout the centre.

Treasure hunters are urged to be on the lookout for colourful Izak9 cubes in the window displays of nine selected stores. Each challenge will include instructions on how to play and the locations of entry form drop boxes in the centre.

One number cruncher who gets all nine answers correct will take away the top prize of £500 with five runners-up each receiving £50 Foyleside vouchers.

The Sum Craic Maths Quest will run throughout Maths Week Ireland which ends on Sunday, October 21.

Organiser Franz Schlindwein, creator of the Izak9 interactive learning resource, says: “We’ve partnered with Maths Week Ireland to encourage everyone from primary schoolers to pensioners to engage with maths in a fun and interactive way.

“Visitors to Foyleside are tasked to find each set of cubes and work out each answer. It promises to be a great, family-fun activity to challenge all ages with sums.”

Foyleside Shopping Centre Manager, Fergal Rafferty, adds: “We are proud to be associated with Maths Week Ireland and delighted to host the Sum Craic Maths Quest in Foyleside Shopping Centre.

“Shoppers are invited to take on the challenge at their leisure as the competition will run all week long during centre opening hours. We’re certainly looking forward to a buzz of activity as number crunchers of all ages join in the fun.”

Eoin Gill, Maths Week Ireland Co-ordinator, adds: "Maths Week aims to promote a positive attitude towards maths and this is particularly important for young learners.

"The Sum Craic challenge is a great way for parents and grandparents to make maths fun for children. Great credit goes to Foyleside Shopping Centre and to Franz and his team for making this great activity available to the community."

The competition will be open for entries from 9am on Saturday, October 13 until 4pm on Sunday, October 21. The winner will then be randomly selected from the correct entries.

The Sum Craic Maths Quest from Izak9 will also be hosted at St Stephen's Green Shopping Centre in Dublin on Saturday, October 20 as part of the ‘Maths in the City’ showcase by Maths Week Ireland.

For a full list of Izak9 events throughout the island of Ireland during Maths Week, log on to www.izak9.com/mathsweek

Now in its 12th year Maths Week has grown to be the biggest festival of its kind in the world engaging over 300,000 in 2016.

At present more than 200 schools and over 30,000 pupils are committed to participating this year across Northern Ireland. That figure is expected to grow considerably during Maths Week from October 13-21.

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