Resources: Functional (Key) Skills
Sensible units
Although this has been replaced by another upgrade, I feel this version is ideal for learners to get to grips with units in the terms of objects they are familiar with.
Try it out at http://www.sensibleunits.com/.
Licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License
Produced and edited by John Dalziel (eLearning Adviser) JISC RSC-Northwest - Lancaster University