Difference between revisions of "FractionAnswer1"

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(add historical tag and give links to newer problems.)
 
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<h2>Answer is a Fraction</h2>
  
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{{historical}}
   
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<p style="background-color:#eeeeee;border:black solid 1px;padding:3px;">
  
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<p style="font-size: 120%;font-weight:bold">This problem has been replaced with [https://openwebwork.github.io/pg-docs/sample-problems/Algebra/FractionAnswer.html a newer version of this problem]</p>
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This PG code shows how to ...
  
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<ul>
  
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<li>Download file: [[File:FractionAnswer1.txt]] (change the file extension from txt to pg)</li>
  
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<li>File location in NPL: <code>NationalProblemLibrary/FortLewis/Authoring/Templates/Algebra/FractionAnswer1.pg</code></li>
  
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<h2>Answer is a Fraction - [https://testcourses.webwork.maa.org/webwork2/Problem_Authoring_Techniques/T-PP-Algebra/1 <font size=-1> Try the problem in WeBWorK </font> ]</h2>
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</ul>
  
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[[File:FractionAnswer1.png|300px|thumb|right|Click to enlarge]]
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<p style="background-color:#f9f9f9;border:black solid 1px;padding:3px;">
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This PG code shows how to write a question in which the answer must be a fraction (rational number).
 
</p>
  
</p>
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<!--* File location in OPL: [https://github.com/openwebwork/webwork-open-problem-library/blob/master/OpenProblemLibrary/FortLewis/Authoring/Templates/Algebra/FractionAnswer1.pg FortLewis/Authoring/Templates/Algebra/FractionAnswer1.pg] -->
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* PGML location in OPL: [https://github.com/openwebwork/webwork-open-problem-library/blob/master/OpenProblemLibrary/FortLewis/Authoring/Templates/Algebra/FractionAnswer1_PGML.pg FortLewis/Authoring/Templates/Algebra/FractionAnswer1_PGML.pg]
   
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<br clear="all" />
 
<p style="text-align:center;">
  
<p style="text-align:center;">
 
[[SubjectAreaTemplates|Templates by Subject Area]]
  
[[SubjectAreaTemplates|Templates by Subject Area]]
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<tr valign="top">
  
<tr valign="top">
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<th> PG problem file </th>
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<th style="width: 50%"> PG problem file </th>
 
<th> Explanation </th>
  
<th> Explanation </th>
 
</tr>
  
</tr>
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<pre>
  
<pre>
 
DOCUMENT();
  
DOCUMENT();
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loadMacros(
  
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"PGstandard.pl",
  
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loadMacros('PGstandard.pl','MathObjects.pl','contextFraction.pl',
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"MathObjects.pl",
  
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'PGML.pl','PGcourse.pl');
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"contextFraction.pl",
  
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"AnswerFormatHelp.pl",
  
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);
  
 
TEXT(beginproblem());
  
TEXT(beginproblem());
 
</pre>
  
</pre>
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<td style="background-color:#ffffdd;border:black 1px dashed;">
  
<td style="background-color:#ffffdd;border:black 1px dashed;">
 
<pre>
  
<pre>
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Context("Fraction-NoDecimals");
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Context('Fraction-NoDecimals');
   
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$answer = Compute("3/2");
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$answer = Compute('3/2');
 
</pre>
  
</pre>
 
</td>
  
</td>
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Context("LimitedProperFraction");
  
Context("LimitedProperFraction");
 
</pre>
 
</pre>
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For the differences among these, see the POD documentation [http://webwork.maa.org/pod/pg_TRUNK/macros/contextFraction.pl.html contextFraction.pl.html]
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For the differences among these, see the POD documentation [http://webwork.maa.org/pod/pg/macros/contextFraction.html contextFraction.pl]
 
</p>
  
</p>
 
</td>
  
</td>
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<td style="background-color:#ffdddd;border:black 1px dashed;">
  
<td style="background-color:#ffdddd;border:black 1px dashed;">
 
<pre>
  
<pre>
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Context()->texStrings;
  
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BEGIN_PGML
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BEGIN_TEXT
  
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Simplify [` \displaystyle \frac{6}{4} `].
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Simplify \( \displaystyle \frac{6}{4} \).
  
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$BR
  
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Answer = [_______________]{$answer->cmp(
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$BR
  
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studentsMustReduceFractions=>1,
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Answer =
  
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reduceFractions=>1,
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\{ ans_rule(20) \}
  
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allowMixedNumbers=>0,
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\{ AnswerFormatHelp("fractions") \}
  
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)}
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END_TEXT
  
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Context()->normalStrings;
  
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[@ helpLink('fractions') @]*
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END_PGML
 
</pre>
  
</pre>
 
<td style="background-color:#ffcccc;padding:7px;">
  
<td style="background-color:#ffcccc;padding:7px;">
 
<p>
  
<p>
 
<b>Main Text:</b>
  
<b>Main Text:</b>
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There are many context flags that control how fraction answers are checked. See the POD documentation [http://webwork.maa.org/pod/pg/macros/contextFraction.html contextFraction.pl]
 
</p>
  
</p>
 
</td>
  
</td>
 
</tr>
  
</tr>
   
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<!-- Answer evaluation section -->
  
   
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<tr valign="top">
  
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<td style="background-color:#eeddff;border:black 1px dashed;">
  
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<pre>
  
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$showPartialCorrectAnswers = 1;
  
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ANS( $answer->cmp(
  
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studentsMustReduceFractions=>1,
  
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reduceFractions=>1
 
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)
 
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);
  
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</pre>
  
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<td style="background-color:#eeccff;padding:7px;">
  
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<p>
  
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<b>Answer Evaluation:</b>
  
 
</p>
  
</p>
 
</td>
  
</td>
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<td style="background-color:#ddddff;border:black 1px dashed;">
  
<td style="background-color:#ddddff;border:black 1px dashed;">
 
<pre>
  
<pre>
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BEGIN_PGML_SOLUTION
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Context()->texStrings;
  
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Solution explanation goes here.
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BEGIN_SOLUTION
  
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END_PGML_SOLUTION
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Factor and cancel to obtain
 
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\( \displaystyle $answer \)
  
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END_SOLUTION
  
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Context()->normalStrings;
  
   
 
ENDDOCUMENT();
  
ENDDOCUMENT();
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[[Category:Top]]
  
[[Category:Top]]
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[[Category:Authors]]
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[[Category:Sample Problems]]
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[[Category:Subject Area Templates]]

Latest revision as of 04:37, 18 July 2023

This article has been retained as a historical document. It is not up-to-date and the formatting may be lacking. Use the information herein with caution.

This problem has been replaced with a newer version of this problem


Answer is a Fraction - Try the problem in WeBWorK

Click to enlarge

This PG code shows how to write a question in which the answer must be a fraction (rational number).


Templates by Subject Area

PG problem file Explanation

Problem tagging data

Problem tagging: 

DOCUMENT();

loadMacros('PGstandard.pl','MathObjects.pl','contextFraction.pl',
  'PGML.pl','PGcourse.pl');

TEXT(beginproblem());

Initialization: 

Context('Fraction-NoDecimals');

$answer = Compute('3/2');

Setup: The macro contextFraction.pl provides four contexts: 

Context("Fraction");
Context("Fraction-NoDecimals");
Context("LimitedFraction");
Context("LimitedProperFraction");

For the differences among these, see the POD documentation contextFraction.pl 

BEGIN_PGML
Simplify [` \displaystyle \frac{6}{4} `].

Answer = [_______________]{$answer->cmp(
  studentsMustReduceFractions=>1,
  reduceFractions=>1,
  allowMixedNumbers=>0, 
  )}

[@ helpLink('fractions') @]*
END_PGML

Main Text: There are many context flags that control how fraction answers are checked. See the POD documentation contextFraction.pl 

BEGIN_PGML_SOLUTION
Solution explanation goes here.
END_PGML_SOLUTION

ENDDOCUMENT();

Solution:

Templates by Subject Area

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