Lecture at ISDDE conference, Cairns, Australia

1. Gecijferd12 A multimedia tool for numeracy education Kees Hoogland APS- National Center for School Improvement

3. What design principles to use? Kees Hoogland APS- National Center for School Improvement

4. Ground rules for design principles in creating numeracy learning tools Be explicit on the definitions, metaphores and images of numeracy you use. Be explicit about the research base of your design principles ! ! ! !

6. iceberg metaphor

8. Gecijferdheid in beeld Images of Numeracy P eople unavoidably have to deal with numbers, structures and patterns The quantitative side of the world around us requires a much richer and multifaceted repertoire This booklet aims to create richer and more colourful images of numeracy

9. Research base: - my own research - existing literature

13. Interested in … ? [email_address] Or visit the website www.gecijferdheid.nl or www.mathematical-literacy.eu