Tuesday, September 21, 2010

Monday and Tuesday, 9-20/21

Monday: Discuss Friday's Exam (re-trying concepts from unit 1) and do test corrections to study in notebook.
Homework was p.93#23,25-27. #26 is referring to problem #25, not 13. You may correct it in your text. #25 is bonus; it's a tough problem.

Tuesday: Warm up problem: if A = 5 m/s and B = 10s, what is C if C = A/B ?

(0.5 is easy... the unit is the trick. Key here is to make the unit in the denominator (s) into a fraction (s/1) and multiply the numerator by its reciprocal. We'll see this new unit more in class soon.)

Discuss answers to homework

Class meeting - suggestions to improve class
Common suggestions from all classes:
Slow down / explain better (you have to tell me when...and I'm happy to!)
Fridays: Avoid homework, emphasize labs
No tests on Mondays
Use "whiteboard" activities more
Topic lists (in lieu of study guides) several days prior to exams
Extra credit - this won't completely happen, but I do have some upcoming optional assignments

Some classes had some extras; I'll try to make as many ideas as possible work.


Homework (optional) work practice problems on worksheet (here). Answers will be given out tomorrow.

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