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a good rule of thumb is that we should only bring ideas from the laboratory into our teaching if (1) we are sure that the laboratory phenomena exist under at least some conditions and (2) we understand how to usefully apply these laboratory phenomena to instruction

And Henry L. Roediger and his associates at Washington University in St. Louis have demonstrated the value of testing for learning.

We shouldn't congratulate ourselves for showing a video to engage the visual learners or offering podcasts to the auditory learners

we should realize that the value of the video or audio will be determined by how it suits the content that we are asking students to learn and the background knowledge, interests, and abilities that they bring to

But as some people have found, this sort of reward system on Khan Academy may encourage completion of material for the sake of badges, rather than for the sake of learning itself.

Khan Academy has expanded from just creating videos to include a whole platform through which students can move through the content, including analytics for teachers and parents to track them

What the research tells usResearch indicates that to implement ICT successfully in their classrooms teachers must ...understand what visual literacy is and rethink what learning to read and write means in the 21st century. (Goodwyn et al 1997; Reid et al, 2002) The research also indicates that ICT is most effective when embedded in the curriculum, and integrated into units of work (Dickinson, 1998). English teachers can maximize the impact of ICT in their classrooms by ensuring that they and their students use ICT as an integral part of lessons, present ideas dynamically, and use a range of media. (Becta, 2006). ICT should be integrated in such a way as to require purposeful application and meaningful engagement with the technology. For example:while pupils are using a desk top publishing package to create a school newspaper they are also developing their ability to communicate more effectively. This provides both a context and a meaning for the ICT activity. Taking the IT out of context and teaching IT skills separately, not only decontextualises ICT but also places additional burdens on curriculum time. The use of ICT therefore should be a meaningful part of an activity where it is used to consolidate or extend pupils' learning. (Lewisham ICT Training for Teachers,2006)To implement ICT successfully in their classrooms teachers also need to:identify how ICT can be used to meet specific objectives within the English curriculum to improve pupils attainment (Moseley et al,1999)understand that successful use of ICT depends on other factors such as pupils’ work in the classroom away from the computer, discussions between pupils and between pupils and their teacher, and the ways in which pupils interact with each other at the computer (Mc Cormick and Scrimshaw,2001 cited in Becta, 2005)

resources

nature of the students

site's pedagogical framework or approach

relevant curriculum

supported by or draw upon established research

explain this in layman's terms

Each reason should also be illustrated with an example of how another educator has already used ICTs to achieve the stated benefit.

should be drawn from a context very similar to your teaching context

Clearly describe

no more than the equivalent of 1000 words or 7 minutes speaking time.

All teachers make mistakes, after all, and Khan should not, the reasoning goes, be called out for making the same mistakes we all make.

There certainly are broken models in education, but there is absolutely no evidence that competent knowledge of student learning and thinking is one that teachers can afford to jettison.

researchers are finding evidence that particular kinds of PCK are associated with greater gains in student learning in elementary mathematics.

revolutionize

The equal sign (=) i

content knowledge alone is inadequate

The standard American curricular treatment, in which students are instructed to append zeroes to the shorter decimal to equalize the number of digits helps students to perform this task correctly, but fosters its own misconceptions.

he exercises offer no intellectual rigor and do not address our central concern.

PCK knows from both educational research and professional experience

If Khan’s videos occasionally popped up in a Google search, we would be content to have him carry on. There is lots of worse information available on the web. But Khan is hailed as “unbelievable” ( Bill Gates) and his work as “sparking a revolution in education

discuss the meaning of the equal sign frequently and explicitly, and (2) model correct use of the equal sign.

Khan will put the video out there and see how people react to it.

Newsweek

There is no standard school configuration of machines