Last new resources: Prove the chain rule with Chain mapping undergroundmathematics.org/chain-rule/cha… (a seq of 3 resources). Enjoy! #iteachmath #mtbos #maths

Thanks for all your brilliant work! x.com/undergroundmat…

They'll be missed. x.com/UndergroundMat…

Thanks, please do so and encourage others to as well! #iteachmath #mtbos x.com/KeithJonesUoS/…

Wonderful resources thanks for everything and good luck to everyone in the future x.com/UndergroundMat…

Underground Maths NRICH maths Goodbye & thank you. Been great working with you.

Underground Maths NRICH maths 😢 gutted, such a fantastic source of inspiration and resources, you'll be sorely missed

Thank you for all your hard work!! Good luck with the future. You will be sorely missed. x.com/undergroundmat…

Underground Maths NRICH maths Thank you and Goodbye.

We said Goodbye but we're still here for 1 more day! At #mathsconf13 Sheffield

Keith Jones Underground Maths I've used their resources 2 times a week since start of term teaching new A level. It's just what we need as teachers.

Trying the fab resource 'Sine on the dotted line' undergroundmathematics.org/calculus-trig-… #MathsConf13 Underground Maths

And another thought provoking resource, on sequences this time undergroundmathematics.org/sequences/conn… #MathsConf13 Underground Maths

love some maths a level problem solving on a Saturday morning Underground Maths #mathsconf13

Thank you for all you great work. x.com/undergroundmat…

Underground Maths NRICH maths Thanks for all the wonderful resources. You will be missed Underground Maths...