I'll soon tire of these screencasts but I'm having fun doing these for now!

Watch 30- 60-90 video uploaded today to my You Tube channel MathNotationsVids.

If interested in purchasing my NEW 2012 Math Challenge Problem/Quiz book, click on BUY NOW at top of right sidebar. 175 problems divided into 35 quizzes with answers at back and DETAILED SOLUTIONS/STRATEGIES for the 1st 8 quizzes. Suitable for SAT I, Math I/II Subject Tests, Common Core Assessments, Math Contest practice and Daily/Weekly Problems of the Day. Includes multiple choice, case I/II/III type and constructed response items.
Price is $9.95. Secured pdf will be emailed when purchase is verified.

## Sunday, February 16, 2014

### 30-60-90 Video Tutorial and Challenge Problem

Posted by Dave Marain at 12:44 PM

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