Difference between revisions of "AnswerHints"
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<b>Initialization:</b> |
<b>Initialization:</b> |
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− | We need to include the macros file <code>MathObjects.pl</code> and <code>answerHints.pl</code>. |
+ | We need to include the macros file <code>MathObjects.pl</code> and <code>answerHints.pl</code>, which only works with MathObjects answer checkers (not old answer checkers). |
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[[Category:Problem Techniques]] |
[[Category:Problem Techniques]] |
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+ | <li>POD documentation: [http://webwork.maa.org/doc/cvs/pg_CURRENT/macros/answerHints.pl answerHints.pl]</li> |
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+ | <li>PG macro code: [http://cvs.webwork.rochester.edu/viewcvs.cgi/pg/macros/answerHints.pl answerHints.pl]</li> |
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+ | </ul> |
Revision as of 21:19, 8 February 2010
Answer Hints
This PG code shows how to include customized answer hints in the messages box after a student submits a particular answer.
See also ErrorMessageCustomization and TextHints
PG problem file | Explanation |
---|---|
DOCUMENT(); loadMacros( "PGstandard.pl", "MathObjects.pl", "answerHints.pl", ); TEXT(beginproblem()); |
Initialization:
We need to include the macros file |
Context("Numeric"); Context()->variables->are(t=>"Real",u=>"Real"); $f = Formula("2 t"); $answer = Formula("6 u"); |
Setup:
We restrict the variables to only |
Context()->texStrings; BEGIN_TEXT If \( f(t) = $f \), then \( f(3u) \) = \{ ans_rule(10) \} END_TEXT Context()->normalStrings; |
Main Text: The problem text section of the file is as we'd expect. |
$showPartialCorrectAnswers = 1; ANS($answer->cmp() ->withPostFilter(AnswerHints( Formula("6 t") => "Are you using the correct variable?", Formula("6 u") => "Good work!", )) ); |
Answer Evaluation:
We use the |
- POD documentation: answerHints.pl
- PG macro code: answerHints.pl