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fix Preview 1-2 confusing dropdowns and hint #65

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mattboelkins merged 1 commit into from
Sep 6, 2026
Merged

fix Preview 1-2 confusing dropdowns and hint #65

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53 changes: 27 additions & 26 deletions source/previews/doenet/PA-changing-functions-crickets-D.doenetml
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Original file line number Diff line number Diff line change
Expand Up @@ -36,50 +36,51 @@
</li>
<li>
<p>
Is the model valid for determining the number of chirps one should hear when the outside temperature is <m>35^\circ F</m>? Why or why not?
If the outside temperature is <m>35^\circ F</m>, how many chirps per minute should we expect to hear?
</p>
<p>
<choiceInput name="c1" inline><shortDescription>yes or no</shortDescription>
<choice>Yes</choice>
<choice>No</choice>
</choiceInput> because
<choiceInput name="c2" inline><shortDescription>reason part 1</shortDescription>
<p sectionWideCheckWork>
<answer name="chirps2"><shortDescription>chirps per minute at 35 degrees Fahrenheit</shortDescription> -20</answer>chirps per minute
</p>
<p sectionWideCheckWork colorAnswersSeparately>
This suggests the model <answer><choiceInput name="c1" inline><shortDescription>is or isn't</shortDescription>
<choice>is</choice>
<choice credit="1">is not</choice>
</choiceInput></answer> valid for determining the number of chirps when the outside temperature is <m>35^\circ F</m> because
<answer><choiceInput name="c2" inline><shortDescription>reason part 1</shortDescription>
<choice>we can find a value of <m>N</m> which makes <m>T</m> equal 35,</choice>
<choice>we can't find a value of <m>N</m> which makes <m>T</m> equal 35,</choice>
<choice><m>T</m> adds a quarter of the number of chirps per minute to <m>40</m>,</choice>
</choiceInput> and
<choiceInput name="c3" inline><shortDescription>reason part 2</shortDescription>
<choice><m>N=-20</m>.</choice>
<choice><m>N=20</m>.</choice>
<choice>crickets can't chirp a negative number of times per minute.</choice>
</choiceInput>
<answer><shortDescription>correct explanation</shortDescription>
<award><when>$c1.selectedIndex=2 and $c2.selectedIndices=3 and $c3.selectedIndices=3</when></award>
</answer>
<choice credit="1">crickets can't chirp a negative number of times per minute.</choice>
</choiceInput></answer>
</p>

</li>
<li>
<p>
Suppose that in the morning an observer hears <m>65</m> chirps per minute, and several hours later hears <m>75</m> chirps per minute. How much has the temperature risen between observations?
Suppose that in the morning an observer hears <m>65</m> chirps per minute, and several hours later hears <m>75</m> chirps per minute.
</p>
<p>
<mathInput name="changetemp" labelPosition="right"><label><m>^\circ F</m></label></mathInput> <answer><award><when>$changetemp=2.5</when></award></answer>
<p sectionWideCheckWork>
<answer name="changetemp"><label>How much has the temperature risen between observations?</label>2.5</answer><m>^\circ F</m>
</p>
<hint>
<div sectionWideCheckWork forceIndividualAnswerColoring>
<p>
What temperature corresponds to <m>65</m> chirps per minute? <answer weight="0"><shortDescription>temperature at 65 chirps per minute</shortDescription>56.25</answer><m>^\circ F</m>
<mathInput name="tempatchirps65" forAnswer="$hintanswer1">
<label>What temperature corresponds to <m>65</m> chirps per minute?</label>
</mathInput><m>^\circ F</m> <answer name="hintanswer1" weight="0">
<award><when>$tempatchirps65=56.25</when></award>
</answer>
</p>
<p>
What temperature corresponds to <m>75</m> chirps per minute? <answer weight="0"><shortDescription>temperature at 75 chirps per minute</shortDescription>58.75</answer><m>^\circ F</m>
<mathInput name="tempatchirps75" forAnswer="$hintanswer2">
<label>What temperature corresponds to <m>75</m> chirps per minute?</label>
</mathInput><m>^\circ F</m> <answer name="hintanswer2" weight="0">
<award><when>$tempatchirps75 = 58.75</when></award>
</answer>
</p>
</div>
</hint>
</li>

<li>
<div sectionWideCheckWork forceIndividualAnswerColoring>
<div sectionWideCheckWork colorAnswersSeparately>
<p>
Dolbear's Law is known to be accurate for temperatures from <m>50^\circ</m> to <m>85^\circ</m>.
</p>
Expand All @@ -91,4 +92,4 @@
</p>
</div>
</li>
</ol>
</ol>
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