Drexel dragonThe Math ForumDonate to the Math Forum


Math Forum
 Ask Dr. Math
 Discussions
 Internet Newsletter
 MathTools
 Problems of the Week
 Teacher2Teacher
 Teacher Exchange
 Workshops

Search All of the Math Forum:
Browse our Internet Mathematics Library

Views expressed in these public forums are not endorsed by Drexel University or The Math Forum.


Math Forum » Discussions » Courses » ap-calculus

Topic: stop teaching shifting & stretching?
Replies: 14   Last Post: Oct 19, 1998 8:58 AM

Advanced Search
Reply to this Topic Reply to this Topic

Back to Topic List Back to Topic List Jump to Tree View Jump to Tree View   Messages: [ Previous | Next ]
dslomer

Posts: 61
Registered: 12/6/04
Re: stop teaching shifting & stretching?
Posted: Oct 12, 1998 8:50 PM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

>Since my calculus students will have graphers, is it the
>consensus that I should stop teaching my precalculus
>students such tricks to aide graphing as shifting & stretching
>functions and symmetry? I'd love to stop teaching this, because it
>would free time for other "essential" topics, which I do not
>get to.
>
>Bill Larson
>Geneva

We should still teach the concepts but maybe with the aid of the graphing
calculator.

That is, given y=a+b*f(c*x+d), kids still need to know that varying a, b, c,
and d cause predictable changes in the graph of f.


Dave Slomer
Retired AP Calculus teacher
http://www.geocities.com/capecanaveral/lab/8692

Point your RSS reader here for a feed of the latest messages in this topic.

[Privacy Policy] [Terms of Use]

© Drexel University 1994-2014. All Rights Reserved.
The Math Forum is a research and educational enterprise of the Drexel University School of Education.