Skip to main content
Editing a short answer - math & science question by WIRIS
You have permission to :
Edit this question
General
Category
Default for System (16649)
Test-Lidia
Question name
Question text
<table style="color: #000066; border: 4px solid #ff9933; float: none; text-align: left; vertical-align: top; width: 547px; height: 152px; background-image: url('http://insmilaifontanals.cat/none'); background-color: #ffffcc;" border="4" frame="void" rules="none"> <tbody> <tr> <td valign="top" width="NaNpx"> <p><span style="color: #000000;"><em><span style="font-size: small;">Representació de la situació amb 4 torres</span></em></span></p> <p><img src="data:image/jpg;base64,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" width="170" height="155" /></p> </td> <td style="width: 400px;" valign="middle"> <p><span style="font-size: small; color: #000080;"><span style="color: #000066;"><strong>En un parc nacional, hi han torres de vigilància. De cada torre surten camins cap a les altres torres.</strong></span></span></p> <p><span style="font-size: small; color: #000080;"><span style="color: #000066;"><strong>Si en total, hi ha #c camins, quantes torres hi ha?</strong></span></span></p> <p><span style="color: #000066; font-size: small;"><strong><span style="color: #000066;"> </span></strong></span></p> </td> </tr> <tr> <td rowspan="1" colspan="2" valign="top" width="NaNpx"> <div align="center"><strong>R </strong></div> </td> </tr> </tbody> </table> <p><span style="color: #000066;" data-mce-mark="1"><strong> </strong></span></p>
Default mark
General feedback
<p><span style="color: #ff6600; font-size: medium;"><strong>Amb intuïció es pot fer sense càlculs!</strong></span></p>
No, case is unimportant
Yes, case must match
Correct answers
You must provide at least one possible answer. The first matching answer will be used to determine the score and feedback. Click the icon next to the answer field to edit the mathematical properties of the answer and the question.
Answer 1
Answer
Grade
None
100%
90%
83.33333%
80%
75%
70%
66.66667%
60%
50%
40%
33.33333%
30%
25%
20%
16.66667%
14.28571%
12.5%
11.11111%
10%
5%
Feedback
Answer 2
Answer
Grade
None
100%
90%
83.33333%
80%
75%
70%
66.66667%
60%
50%
40%
33.33333%
30%
25%
20%
16.66667%
14.28571%
12.5%
11.11111%
10%
5%
Feedback
Settings for multiple tries
Penalty for each incorrect try
100%
50%
33.33333%
25%
20%
10%
0%
Hint 1
Hint text
<p><span style="color: #006600;"><strong>Si el nombre de torres és x, de cada torre surten (x-1) camins cap a les altres.</strong></span></p> <p><span style="color: #006600;"><strong>Quantes torres hi ha en total? Pots escriure l'equació?</strong></span></p>
Hint 2
Hint text
<p><span style="color: #003300;"><strong>Si de cada torre surten (x-1) camins, el nombre total de camins és x·(x-1).</strong></span></p> <p><span style="color: #003300;"><strong>L'equació és: </strong></span></p> <p><span style="color: #003300;" data-mce-mark="1"><strong>«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨12px¨»«mi mathvariant=¨bold-italic¨ mathcolor=¨#003300¨»x«/mi»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»(«/mo»«mi mathvariant=¨bold-italic¨ mathcolor=¨#003300¨»x«/mi»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»-«/mo»«mn mathvariant=¨bold¨ mathcolor=¨#003300¨»1«/mn»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»)«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»=«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»#«/mo»«mi mathvariant=¨bold-italic¨ mathcolor=¨#003300¨»c«/mi»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»§#160;«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»§#8660;«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»§#160;«/mo»«msup mathcolor=¨#003300¨»«mi mathvariant=¨bold-italic¨ mathcolor=¨#003300¨»x«/mi»«mn mathvariant=¨bold¨»2«/mn»«/msup»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»-«/mo»«mi mathvariant=¨bold-italic¨ mathcolor=¨#003300¨»x«/mi»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»-«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»#«/mo»«mi mathvariant=¨bold-italic¨ mathcolor=¨#003300¨»c«/mi»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»§#160;«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»=«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»§#160;«/mo»«mn mathvariant=¨bold¨ mathcolor=¨#003300¨»0«/mn»«/mstyle»«/math»</strong></span></p> <p><span style="color: #003300;"><strong>Només pots fer servir la solució positiva</strong></span></p>
Created / last saved
Created
by
Admin User
on
Tuesday, 14 July 2015, 9:22 AM
Last saved
by
Admin User
on
Tuesday, 14 July 2015, 9:22 AM
There are required fields in this form marked
.