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Author Archive for DavidCoffey

Where should we focus our efforts?

Posted on May 31st, 2012 by David Coffey

When is it okay to use a calculator?

Posted on April 17th, 2012 by David Coffey

Which tool makes sense?

Posted on March 29th, 2012 by David Coffey

How's it going?

Posted on March 15th, 2012 by David Coffey

Can we just flip the homework?

Posted on March 2nd, 2012 by David Coffey

When do we stop chewing their food?

Posted on January 23rd, 2012 by David Coffey

Who controls the volume?

Posted on January 9th, 2012 by David Coffey

Whose problem is it?

Posted on January 3rd, 2012 by David Coffey

What is your problem? Part III

Posted on December 14th, 2011 by David Coffey

What is your problem? Part II

Posted on November 23rd, 2011 by David Coffey