The tutors’ corner provides excellent free guidance including preparing learning materials (PDF) to help make your resources and documents more accessible (with notes on good layout, fonts, signposting, plain English, and much more).
There are also many downloadable student resources from the Literacy tools section of the site. You can search for activities by topic (e.g. health, employment, living in Ireland) or by literacy and numeracy skills. There are some particularly good health worksheets (reading, writing and comprehension) on mammograms, alcohol, medicine labels, etc.
Plus good basic maths practice worksheets with step by step explanations and answer sheets (long multiplication, division problems and a wonderful illustrated worksheet on the Euro (pictures of all coins, history, converting currency).