<p>You can provide feedback for each option in a checkbox problem, with distinct feedback depending on whether or not the learner selects that option.</p>
<p>You can also provide compound feedback for a specific combination of answers. For example, if you have three possible answers in the problem, you can configure specific feedback for when a learner selects each combination of possible answers.</p>
<p>You can also add hints for learners.</p>
<p>Be sure to select Settings to specify a Display Name and other values that apply.</p>
<p>Use the following example problem as a model.</p>
<p>Which of the following is a fruit? Check all that apply.</p>
<choiceresponse>
<checkboxgroup>
<label>Which of the following is a fruit? Check all that apply.</label>
<checkboxgroup label="Which of the following is a fruit? Check all that apply.">
<choice correct="true">apple
<choicehint selected="true">You are correct that an apple is a fruit because it is the fertilized ovary that comes from an apple tree and contains seeds.</choicehint>
<choicehint selected="false">Remember that an apple is also a fruit.</choicehint>
...
...
@@ -56,12 +52,13 @@ data: |
</choice>
<choice correct="true">tomato
<choicehint selected="true">You are correct that a tomato is a fruit because it is the fertilized ovary of a tomato plant and contains seeds.</choicehint>
<choicehint selected="false">Many people mistakenly think a tomato is a vegetable. However, because a tomato is the fertilized ovary of a tomato plant and contains seeds, it a fruit.</choicehint>
<choicehint selected="false">Many people mistakenly think a tomato is a vegetable. However, because a tomato is the fertilized ovary of a tomato plant and contains seeds, it is a fruit.</choicehint>
</choice>
<compoundhint value="A B D">An apple, pumpkin, and tomato are all fruits as they all are fertilized ovaries of a plant and contain seeds.</compoundhint>
<compoundhint value="A B C D">You are correct that an apple, pumpkin, and tomato are all fruits as they all are fertilized ovaries of a plant and contain seeds. However, a potato is not a fruit as it is an edible part of a plant in tuber form and is classified as a vegetable.</compoundhint>
<compoundhint value="A B C D">You are correct that an apple, pumpkin, and tomato are all fruits as they all are fertilized ovaries of a plant and contain seeds. However, a potato is not a fruit as it is an edible part of a plant in tuber form and is a vegetable.</compoundhint>
</checkboxgroup>
</choiceresponse>
<demandhint>
<hint>A fruit is the fertilized ovary from a flower.</hint>
For more information, see <a href="http://edx.readthedocs.io/projects/edx-partner-course-staff/en/latest/exercises_tools/custom_python.html" target="_blank">
Write-Your-Own-Grader Problem</a> in <i>Building and Running an edX Course</i>.
</p>
<p>When you add the problem, be sure to select <strong>Settings</strong>
to specify a <strong>Display Name</strong> and other values that apply.</p>
<p>
When you add the problem, be sure to select <strong>Settings</strong>
to specify a <strong>Display Name</strong> and other values that apply.
</p>
<p>You can use the following example problem as a model.</p>
Problem</a> in <i>Building and Running an edx Course</i>.
In an image mapped input problem, also known as a "pointing on a picture" problem, students click inside a defined region in an image. You define this region by including coordinates in the body of the problem. You can define one rectangular region,
multiple rectangular regions, or one non-rectangular region. For more information, see
<p>Estimate the energy savings (in J/y) if all the people ([mathjaxinline]3\times 10^8[/mathjaxinline]) in the U. S. switched from U. S. code to low-flow shower heads.</p>
<p style="display:inline">Energy saved = </p>
<numericalresponse inline="1" answer="0.52">
<label>Estimate the energy savings (in J/y) if all the people ([mathjaxinline]3\times 10^8[/mathjaxinline]) in the U. S. switched from U. S. code to low-flow shower heads.</label>
<p>You can provide feedback for each option in a multiple choice problem.</p>
<p>You can also add hints for learners.</p>
<p>Be sure to select Settings to specify a Display Name and other values that apply.</p>
<p>Use the following example problem as a model.</p>
<p>Which of the following is a vegetable?</p>
<multiplechoiceresponse>
<choicegroup type="MultipleChoice">
<choice correct="false">apple <choicehint>An apple is the fertilized ovary that comes from an apple tree and contains seeds, meaning it is a fruit.</choicehint></choice>
<choice correct="false">pumpkin <choicehint>A pumpkin is the fertilized ovary of a squash plant and contains seeds, meaning it is a fruit.</choicehint></choice>
<choice correct="true">potato <choicehint>A potato is an edible part of a plant in tuber form and is a vegetable.</choicehint></choice>
<choice correct="false">tomato <choicehint>Many people mistakenly think a tomato is a vegetable. However, because a tomato is the fertilized ovary of a tomato plant and contains seeds, it is a fruit.</choicehint></choice>
<label>Which of the following is a vegetable?</label>
<choicegroup label="Which of the following is a vegetable?" type="MultipleChoice">
<choice correct="false">apple
<choicehint>An apple is the fertilized ovary that comes from an apple tree and contains seeds, meaning it is a fruit.</choicehint>
</choice>
<choice correct="false">pumpkin
<choicehint>A pumpkin is the fertilized ovary of a squash plant and contains seeds, meaning it is a fruit.</choicehint>
</choice>
<choice correct="true">potato
<choicehint>A potato is an edible part of a plant in tuber form and is a vegetable.</choicehint>
</choice>
<choice correct="false">tomato
<choicehint>Many people mistakenly think a tomato is a vegetable. However, because a tomato is the fertilized ovary of a tomato plant and contains seeds, it is a fruit.</choicehint>
</choice>
</choicegroup>
</multiplechoiceresponse>
<demandhint>
<hint>A fruit is the fertilized ovary from a flower.</hint>
The sun is 93,000,000, or 9.3*10^7, miles away from Earth.
[explanation]
---
>>The square of what number is -100?<<
= 10*i
[explanation]
The sun is 93,000,000, or 9.3*10^7, miles away from Earth.
-100 is the square of 10 times the imaginary number, i.
[explanation]
data:|
<problem>
<p>In a numerical input problem, learners enter numbers or a specific and
relatively simple mathematical expression. Learners enter the response in
plain text, and the system then converts the text to a symbolic expression
that learners can see below the response field.</p>
<p>The system can handle several types of characters, including basic
operators, fractions, exponents, and common constants such as i. You can
refer learners to
<a href="http://edx.readthedocs.io/projects/edx-guide-for-students/en/latest/completing_assignments/SFD_mathformatting.html#math-formatting" target="_blank">Entering Mathematical and Scientific Expressions</a> in the <i>EdX Learner's Guide</i> for information about how to enter text into the field.</p>
<p>When you add the problem, be sure to select <strong>Settings</strong>
to specify a <strong>Display Name</strong> and other values that apply.</p>
<p>You can use the following example problems as models.</p>
<p>How many miles away from Earth is the sun? Use scientific notation to answer.</p>
<numericalresponse answer="9.3*10^7">
<formulaequationinput label="How many million miles are between Earth and the sun? Use scientific notation to answer." />
<p>In a numerical input problem, learners enter numbers or a specific and relatively simple mathematical expression. Learners enter the response in plain text, and the system then converts the text to a symbolic expression that learners can see below the response field.</p>
<p>The system can handle several types of characters, including basic operators, fractions, exponents, and common constants such as i. You can refer learners to
<label>Which of the following countries celebrates its independence on August 15?</label>
<optioninput label="Which of the following countries celebrates its independence on August 15?" options="('India','Spain','China','Bermuda')" correct="India"/>
<solution>
<div class="detailed-solution">
<p>Explanation</p>
<p>India became an independent nation on August 15, 1947.</p>
<p>You can provide feedback for each available option in a dropdown problem.</p>
<p>You can also add hints for learners.</p>
<p>Be sure to select Settings to specify a Display Name and other values that apply.</p>
<p>Use the following example problem as a model.</p>
<p> A/an ________ is a vegetable.</p>
<br/>
<optionresponse>
<optioninput>
<option correct="False">apple <optionhint>An apple is the fertilized ovary that comes from an apple tree and contains seeds, meaning it is a fruit.</optionhint></option>
<option correct="False">pumpkin <optionhint>A pumpkin is the fertilized ovary of a squash plant and contains seeds, meaning it is a fruit.</optionhint></option>
<option correct="True">potato <optionhint>A potato is an edible part of a plant in tuber form and is a vegetable.</optionhint></option>
<option correct="False">tomato <optionhint>Many people mistakenly think a tomato is a vegetable. However, because a tomato is the fertilized ovary of a tomato plant and contains seeds, it is a fruit.</optionhint></option>
<label>A/an ________ is a vegetable.</label>
<optioninput label=" A/an ________ is a vegetable.">
<option correct="False">apple
<optionhint>An apple is the fertilized ovary that comes from an apple tree and contains seeds, meaning it is a fruit.</optionhint>
</option>
<option correct="False">pumpkin
<optionhint>A pumpkin is the fertilized ovary of a squash plant and contains seeds, meaning it is a fruit.</optionhint>
</option>
<option correct="True">potato
<optionhint>A potato is an edible part of a plant in tuber form and is a vegetable.</optionhint>
</option>
<option correct="False">tomato
<optionhint>Many people mistakenly think a tomato is a vegetable. However, because a tomato is the fertilized ovary of a tomato plant and contains seeds, it is a fruit.</optionhint>
<p>In text input problems, also known as "fill-in-the-blank" problems,
learners enter text into a response field. The text that the learner enters
must match your specified answer text exactly. You can specify more than
one correct answer. Learners must enter a response that matches one of the
correct answers exactly.</p>
<p>When you add the problem, be sure to select <strong>Settings</strong>
to specify a <strong>Display Name</strong> and other values that apply.</p>
<p> You can use the following example problem as a model.</p>
<p>What was the first post-secondary school in China to allow both male and female students?</p>
<stringresponse answer="Nanjing Higher Normal Institute" type="ci" >
<stringresponse answer="Nanjing Higher Normal Institute" type="ci">
<p>In text input problems, also known as "fill-in-the-blank" problems, learners enter text into a response field. The text that the learner enters must match your specified answer text exactly. You can specify more than one correct answer. Learners must enter a response that matches one of the correct answers exactly.</p>
<p>When you add the problem, be sure to select <strong>Settings</strong> to specify a <strong>Display Name</strong> and other values that apply.</p>
<p>You can use the following example problem as a model.</p>
<label>What was the first post-secondary school in China to allow both male and female students?</label>
<additional_answer>National Central University</additional_answer>
<p>You can provide feedback for the correct answer in text input problems, as well as for specific incorrect answers.</p>
<p>Use feedback on expected incorrect answers to address common misconceptions and to provide guidance on how to arrive at the correct answer.</p>
<p>Be sure to select Settings to specify a Display Name and other values that apply.</p>
<p>Use the following example problem as a model.</p>
<p>Which U.S. state has the largest land area?</p>
<stringresponse answer="Alaska" type="ci" >
<label>Which U.S. state has the largest land area?</label>
<correcthint>Alaska is 576,400 square miles, more than double the land area of the second largest state, Texas.</correcthint>
<stringequalhint answer="Texas">While many people think Texas is the largest state, it is actually the second largest, with 261,797 square miles.</stringequalhint>
<stringequalhint answer="California">California is the third largest state, with 155,959 square miles.</stringequalhint>
<textline label="Which U.S. state has the largest land area?" size="20"/>
</stringresponse>
<demandhint>
<hint>Consider the square miles, not population.</hint>
<hint>Consider all 50 states, not just the continental United States.</hint>