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Topic: [ap-calculus] grading practice exam
Replies: 1   Last Post: Apr 21, 2012 9:54 AM

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Kristin Visser

Posts: 44
Registered: 10/11/10
[ap-calculus] grading practice exam
Posted: Apr 20, 2012 12:35 PM
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My students just finished taking the AP practice exam and a few questions
have come up:

On FRQ #1 b a few students only used equation E(t) and didn't account for
the rate at which sewage was leaving. The still showed their work to find
critical numbers and evaluate the max value. Would this be a case where the
grader would "read with" their mistake and they could still get partial
credit or would only using E(t) be considered simplifying the problem and
thus not earn any points?

On FRQ #2 students defined intersection points with letters in part a. Can
they then refer to them throughout or do they need to restate it for each
additional part of the problem that they use them on?


Mrs. Kristin Visser
Chicago Christian High School
Physics, Honors Physics, and AP Calculus Teacher
Cross Country and Track Coach

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