PreTeXt Sample Book: Abstract Algebra (SAMPLE ONLY)

<exercises xml:id="horizontal-parsons-exercises">
  <title>Horizontal Parsons Exercises</title>
  <exercise label="horizontal-parson-sql-statement-simple" language="sql">
    <title>Parsons Problem, SQL statement</title>
    <statement>
      <p>
        Form the SQL statement by rearranging the four blocks.
      </p>

    </statement>
    <blocks layout="horizontal" randomize="yes">
    <block order="2"><c>SELECT</c></block>
    <block order="1"><c>*</c></block>
    <block order="4"><c>FROM</c></block>
    <block order="3"><c>test</c></block>
    </blocks>
  </exercise>
  <exercise label="horizontal-parson-python-test">
    <title>Parsons Problem, Python import</title>
    <statement>
      <p>
        This is testing that horizontal parsons get the default programming language from <c>docinfo/parsons/@language</c>.
      </p>
    </statement>
    <blocks layout="horizontal" randomize="yes">
    <block order="2"><c>from</c></block>
    <block order="1"><c>math</c></block>
    <block order="4"><c>import</c></block>
    <block order="3"><c>pi</c></block>
    </blocks>
  </exercise>
  <exercise label="horizontal-parson-sql-statement-no-randomize" language="sql">
    <title>Parsons Problem, SQL statement, no randomization</title>
    <statement>
      <p>
        Form the SQL statement by rearranging the four blocks.
        This version of this problem will <em>always</em>
        present the blocks in the same fixed order
        (but incorrect, hopefully!),
        as prescribed by the author in the source.
      </p>
    </statement>
    <blocks layout="horizontal" randomize="no">
    <block order="2"><c>SELECT</c></block>
    <block order="1"><c>*</c></block>
    <block order="4"><c>FROM</c></block>
    <block order="3"><c>test</c></block>
    </blocks>
  </exercise>
  <exercise label="horizontal-parson-sql-statement-with-db" language="sql" database="sql/test.db">
    <title>Parsons Problem, SQL statement, automatic feedback</title>
    <statement>
      <p>
        Form the SQL statement by rearranging the four blocks.
      </p>
    </statement>
    <blocks layout="horizontal" randomize="yes">
    <block order="2"><c>SELECT</c></block>
    <block order="1"><c>*</c></block>
    <block order="4"><c>FROM</c></block>
    <block order="3"><c>test</c></block>
    </blocks>
    <tests>
    assert 1,1 == world
    assert 0,1 == hello
    assert 2,1 == 42
    </tests>
  </exercise>
  <exercise label="horizontal-parson-natural" language="natural">
    <title>Parsons Problem, Natural Language</title>
    <statement>
      <p>
        Form the sentence often used to show font samples.
        You can reuse blocks as needed.
      </p>
    </statement>
    <blocks layout="horizontal" reuse="yes" randomize="yes">
    <block ref="font-the" order="6" />
    <block order="8">quick</block>
    <block order="2">brown</block>
    <block order="3">fox</block>
    <block order="1">jumped</block>
    <block order="5">over</block>
    <block xml:id="font-the">the</block>
    <block order="7">lazy</block>
    <block order="4">dog</block>
    </blocks>
  </exercise>
  <exercise label="horizontal-parson-natural-distractor" language="natural">
    <title>Parsons Problem, Natural Language, with Distractors</title>
    <statement>
      <p>
        Form the sentence often used to show font samples.
        Again, but now with distractors.
      </p>
    </statement>
    <blocks layout="horizontal">
    <block ref="font-the-two" order="7" />
    <block order="10" correct="yes">quick</block>
    <block order="2">brown</block>
    <block order="3">fox</block>
    <block order="1">jumped</block>
    <block order="8" correct="no">foo</block>
    <block order="6">over</block>
    <block xml:id="font-the-two">the</block>
    <block order="9">lazy</block>
    <block order="5" correct="no">bar</block>
    <block order="4">dog</block>
    </blocks>
  </exercise>
  <exercise label="horizontal-parson-sql-statement-reusable" language="sql">
    <title>Parsons Problem, SQL statement, reusable</title>
    <statement>
      <p>
        Form the SQL statement by rearranging the four blocks.
        Same problem as above, but we allow blocks to be reused
        (even though the solution does not require that).
      </p>
    </statement>
    <blocks layout="horizontal" reuse="yes" randomize="yes">
    <block order="2"><c>SELECT</c></block>
    <block order="1"><c>*</c></block>
    <block order="4"><c>FROM</c></block>
    <block order="3"><c>test</c></block>
    </blocks>
  </exercise>
</exercises>