Hall Davidson began teaching in 1971. He taught middle and high school English, mathematics, Spanish, and bilingual mathematics, as well as college courses on technology for teacher credential candidates. He left the classroom to teach math on television, winning an Emmy award and spending 20 years at Los Angeles area PBS stations teaching, leading staff development, and championing content creation by students and teachers. He is a frequent contributor to national education publications, co-authored TechWorks, an internationally distributed classroom technology kit, and co-founded Kitzu.org, a resource of free online kits to encourage project-based learning with media. He was elected to the board of Computer-Using Educators where he served for six years.
He joined Discovery Education in 2005 where he blogs, creates webinars, and works in educational partnerships and Global Learning Initiatives as a director of the Discovery Educator Network. He has spoken about technology and education to audiences around the world.
We know effective assessment can be more powerful than class size reduction for raising achievement. Take a deeper look at how technology tools (mostly free) can check for understanding. Projects previously requiring a semester can be accomplished in a period.
They are becoming like a modern tricorders, those fabulous Star Trek instruments. Mobile phones, iPads, and tablets can take basic microscope pictures, or with mobile chromakey (green screen) unveil the origins of materials or relevant formulas.