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  <resource>
  <id>6462</id>
  <path>/www/nrich/html/content/id/6462/</path>
  <resourceTypeID>5</resourceTypeID>
  <last_published>2011-02-01T00:00:01</last_published>
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&lt;mdoxml version=&quot;1.0&quot;&gt;&lt;br&gt;&lt;/br&gt;
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&lt;td style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=2312&amp;amp;part=&quot;&gt;&lt;mdo:image alt=&quot;&quot; height=&quot;100&quot; src=&quot;banner1.jpg&quot; width=&quot;100&quot;&gt;&lt;/mdo:image&gt;&lt;/a&gt;&lt;/td&gt;
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&lt;div align=&quot;center&quot; style=&quot;text-align: center;&quot;&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=5608&amp;amp;part=&quot;&gt;&lt;mdo:image alt=&quot;&quot; height=&quot;100&quot; src=&quot;banner2.jpg&quot; width=&quot;100&quot;&gt;&lt;/mdo:image&gt;&lt;/a&gt;&lt;/div&gt;
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&lt;td style=&quot;text-align: center;&quot; width=&quot;100&quot;&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=6508&amp;amp;part=&quot;&gt;&lt;mdo:image alt=&quot;&quot; height=&quot;100&quot; src=&quot;banner3.jpg&quot; width=&quot;100&quot;&gt;&lt;/mdo:image&gt;&lt;/a&gt;&lt;/td&gt;
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&lt;td style=&quot;text-align: center;&quot; width=&quot;100&quot;&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=6506&amp;amp;part=&quot;&gt;&lt;mdo:image alt=&quot;&quot; height=&quot;100&quot; src=&quot;banner5.jpg&quot; width=&quot;100&quot;&gt;&lt;/mdo:image&gt;&lt;/a&gt;&lt;/td&gt;
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&lt;p&gt;Welcome to the &lt;span style=&quot;font-weight: bold;&quot;&gt;Core Scientific Mathematics&lt;/span&gt; section of &lt;a href=&quot;http://nrich.maths.org/6298&quot;&gt;stemNRICH - Core&lt;/a&gt;. This contains a set of activities designed to develop the basic applied mathematical skills needed to make the most of the study of a science in the final years of school or university.&lt;br&gt;&lt;/br&gt;
 &lt;/p&gt;
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&lt;tr&gt;
&lt;td colspan=&quot;5&quot; style=&quot;padding:10px;&quot;&gt;&lt;span style=&quot;font-style: italic;&quot;&gt;For more advanced mathematical problems please see the&lt;/span&gt; &lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=6467&amp;amp;part=&quot;&gt;Advanced Scientific Mathematics&lt;/a&gt; &lt;span style=&quot;font-style: italic;&quot;&gt;section. For advanced activities more directly based around specific mathematical applications, please see&lt;/span&gt; &lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=6139&amp;amp;part=&quot;&gt;bioNRICH&lt;/a&gt; , &lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=6463&amp;amp;part=&quot;&gt;chemNRICH&lt;/a&gt; , &lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=6465&amp;amp;part=&quot;&gt;physNRICH&lt;/a&gt; &lt;span style=&quot;font-style: italic;&quot;&gt;or&lt;/span&gt; &lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=6466&amp;amp;part=&quot;&gt;engNRICH&lt;/a&gt;&lt;/td&gt;
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&lt;tr&gt;
&lt;th scope=&quot;col&quot; width=&quot;100&quot;&gt;Area of maths&lt;/th&gt;
&lt;th scope=&quot;col&quot; width=&quot;25&quot;&gt;&lt;a href=&quot;http://nrich.maths.org/6103&amp;amp;part=&quot;&gt;Style&lt;/a&gt;&lt;/th&gt;
&lt;th scope=&quot;col&quot; width=&quot;30&quot;&gt;Teacher Notes&lt;/th&gt;
&lt;th scope=&quot;col&quot; width=&quot;150&quot;&gt;Question&lt;/th&gt;
&lt;th scope=&quot;col&quot;&gt;Description&lt;/th&gt;
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&lt;td rowspan=&quot;5&quot; style=&quot;padding:10px;&quot;&gt;Numbers&lt;/td&gt;
&lt;td&gt;&lt;mdo:image alt=&quot;&quot; height=&quot;30&quot; src=&quot;lips30x30.JPG&quot; width=&quot;30&quot;&gt;&lt;/mdo:image&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/6140&amp;amp;part=note&quot;&gt;YES&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=6140&amp;amp;part=&quot;&gt;Big and Small Numbers in Biology&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;10 individual questions using numbers big and small to calculate or estimate various quantities in simple biological contexts.&lt;/td&gt;
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&lt;tr&gt;
&lt;td&gt;&lt;mdo:image alt=&quot;&quot; height=&quot;30&quot; src=&quot;lips30x30.JPG&quot; width=&quot;30&quot;&gt;&lt;/mdo:image&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/6504&amp;amp;part=note&quot;&gt;YES&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=6504&amp;amp;part=&quot;&gt;Big and Small Numbers in Physics&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;10 individual questions using numbers big and small to calculate or estimate various quantities in simple contexts relevant to physics.&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;&lt;mdo:image alt=&quot;&quot; height=&quot;30&quot; src=&quot;individual30x30.jpg&quot; width=&quot;30&quot;&gt;&lt;/mdo:image&gt;&lt;/td&gt;
&lt;td&gt;-&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=6516&amp;amp;part=&quot;&gt;Constantly Changing&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.&lt;/td&gt;
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&lt;td&gt;&lt;mdo:image alt=&quot;&quot; height=&quot;30&quot; src=&quot;individual30x30.jpg&quot; width=&quot;30&quot;&gt;&lt;/mdo:image&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/2312&amp;amp;part=note&quot;&gt;YES&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=2312&amp;amp;part=&quot;&gt;Peaches Today, Peaches Tomorrow&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;A little monkey had 60 peaches. On the first day he kept 3/4 of his peaches, gave the rest away and then ate one. On the second day he kept 7/11 .... How many did he have left at the end?&lt;/td&gt;
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&lt;td colspan=&quot;4&quot; style=&quot;padding:10px;&quot;&gt;&lt;span style=&quot;font-style: italic;&quot;&gt;See also, in particular, the Dilution and Proportional Reasoning problems on the&lt;/span&gt; &lt;a href=&quot;http://nrich.maths.org/6463&amp;amp;part=&quot;&gt;chemNRICH&lt;/a&gt; &lt;span style=&quot;font-style: italic;&quot;&gt;pages&lt;/span&gt;&lt;/td&gt;
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&lt;td rowspan=&quot;3&quot; style=&quot;padding:10px;&quot;&gt;Algebra, equations and graphs&lt;/td&gt;
&lt;td&gt;&lt;mdo:image alt=&quot;&quot; height=&quot;30&quot; src=&quot;lips30x30.JPG&quot; width=&quot;30&quot;&gt;&lt;/mdo:image&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/5608&amp;amp;part=note&quot;&gt;YES&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=5608&amp;amp;part=&quot;&gt;Temperature&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;Is there a temperature at which Celsius and Fahrenheit readings are the same on a thermometer?&lt;/td&gt;
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&lt;tr&gt;
&lt;td&gt;&lt;mdo:image alt=&quot;&quot; height=&quot;30&quot; src=&quot;interactive30x30.JPG&quot; width=&quot;30&quot;&gt;&lt;/mdo:image&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/7502&amp;amp;part=note&quot;&gt;YES&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=7502&amp;amp;part=&quot;&gt;What&amp;#39;s that graph?&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;Which graphs, equations and physical processes go together?&lt;/td&gt;
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&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
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&lt;td rowspan=&quot;4&quot; style=&quot;padding:10px;&quot;&gt;Geometry and symmetry&lt;/td&gt;
&lt;td&gt; &lt;mdo:image alt=&quot;&quot; height=&quot;30&quot; src=&quot;interactive30x30.JPG&quot; width=&quot;30&quot;&gt;&lt;/mdo:image&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/4808&amp;amp;part=note&quot;&gt;YES&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/4808&amp;amp;part=&quot;&gt;How Far Does it Move?&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;Experiment with the interactivity of &quot;rolling&quot; regular polygons, and explore how the different positions of the red dot affects the distance it travels at each stage. &lt;/td&gt;
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&lt;tr&gt;
&lt;td&gt;&lt;mdo:image alt=&quot;&quot; height=&quot;30&quot; src=&quot;investigate30x30.jpg&quot; width=&quot;30&quot;&gt;&lt;/mdo:image&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/157&amp;amp;part=note&quot;&gt;YES&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=4832&amp;amp;part=&quot;&gt;Semi-regular tessellations&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;Explore ways to symmetrically tile the plane with this beautiful interactivity.&lt;/td&gt;
&lt;/tr&gt;
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&lt;td&gt;&lt;mdo:image alt=&quot;&quot; height=&quot;30&quot; src=&quot;individual30x30.jpg&quot; width=&quot;30&quot;&gt;&lt;/mdo:image&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/157&amp;amp;part=note&quot;&gt;YES&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=6157&amp;amp;part=&quot;&gt;Efficient Packing&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;How will you go about calculation to pack small circles into a large square?&lt;/td&gt;
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&lt;td&gt;&lt;mdo:image alt=&quot;&quot; height=&quot;30&quot; src=&quot;individual30x30.jpg&quot; width=&quot;30&quot;&gt;&lt;/mdo:image&gt;&lt;/td&gt;
&lt;td&gt;-&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=295&amp;amp;part=&quot;&gt;Ball Bearings&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;If a is the radius of the axle, b the radius of each ball-bearing, and c the radius of the hub, why does the number of ball bearings n determine the ratio c/a? Find a formula for c/a in terms of n.&lt;/td&gt;
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&lt;td rowspan=&quot;6&quot; style=&quot;padding:10px;&quot;&gt;Curve fitting and sketching&lt;/td&gt;
&lt;td&gt;&lt;mdo:image alt=&quot;&quot; height=&quot;30&quot; src=&quot;lips30x30.JPG&quot; width=&quot;30&quot;&gt;&lt;/mdo:image&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/7419&amp;amp;part=note&quot;&gt;YES&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=7419&amp;amp;part=&quot;&gt;Fill me up&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;Imagine these flasks filling with water. How would the height of water vary over time?&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;&lt;mdo:image alt=&quot;&quot; height=&quot;30&quot; src=&quot;lips30x30.JPG&quot; width=&quot;30&quot;&gt;&lt;/mdo:image&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/6160&amp;amp;part=note&quot;&gt;YES&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=6160&amp;amp;part=&quot;&gt;Real-life Equations&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;Relate these commonly used equations to points on a series of graphs. Which are possible and which are not?&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;&lt;mdo:image alt=&quot;&quot; height=&quot;30&quot; src=&quot;lips30x30.JPG&quot; width=&quot;30&quot;&gt;&lt;/mdo:image&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/6301&amp;amp;part=note&quot;&gt;YES&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=6301&amp;amp;part=&quot;&gt;Equation Matcher&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;A series of graphs are given containing just 2 or 3 points. Which equations do the points rule out?&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;&lt;mdo:image alt=&quot;&quot; height=&quot;30&quot; src=&quot;individual30x30.jpg&quot; width=&quot;30&quot;&gt;&lt;/mdo:image&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/6424&amp;amp;part=note&quot;&gt;YES&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=6424&amp;amp;part=&quot;&gt;Maths Filler&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;Can you work out how to make height-time charts as these unusually shaped vessels are filled up?&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;&lt;mdo:image alt=&quot;&quot; height=&quot;30&quot; src=&quot;lips30x30.JPG&quot; width=&quot;30&quot;&gt;&lt;/mdo:image&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/6493&amp;amp;part=note&quot;&gt;YES&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=6493&amp;amp;part=&quot;&gt;Curve Match&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;Can you match these curves to the graphs?&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;&lt;mdo:image alt=&quot;&quot; height=&quot;30&quot; src=&quot;individual30x30.JPG&quot; width=&quot;30&quot;&gt;&lt;/mdo:image&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/7499&amp;amp;part=note&quot;&gt;YES&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=7499&amp;amp;part=&quot;&gt;Fill me up too&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;Analyse the volume of some commonly used scientific vessels.&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td rowspan=&quot;4&quot; style=&quot;padding:10px;&quot;&gt;Approximations and estimations&lt;/td&gt;
&lt;td&gt;&lt;mdo:image alt=&quot;&quot; height=&quot;30&quot; src=&quot;lips30x30.JPG&quot; width=&quot;30&quot;&gt;&lt;/mdo:image&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/7500&amp;amp;part=note&quot;&gt;YES&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=7500&quot;&gt;Place your orders&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;Can you sort these quantities into order of size?&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;&lt;mdo:image alt=&quot;&quot; height=&quot;30&quot; src=&quot;investigate30x30.jpg&quot; width=&quot;30&quot;&gt;&lt;/mdo:image&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/6505&amp;amp;part=note&quot;&gt;YES&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=6505&amp;amp;part=&quot;&gt;Approximately Certain&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;Estimate these curious quantities sufficiently accurately that you can rank them in order of size.&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;&lt;mdo:image alt=&quot;&quot; height=&quot;30&quot; src=&quot;investigate30x30.jpg&quot; width=&quot;30&quot;&gt;&lt;/mdo:image&gt;&lt;/td&gt;
&lt;td&gt;-&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=6453&amp;amp;part=&quot;&gt;Global Warming&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;How much energy has gone into warming up the planet?&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;&lt;mdo:image alt=&quot;&quot; height=&quot;30&quot; src=&quot;investigate30x30.jpg&quot; width=&quot;30&quot;&gt;&lt;/mdo:image&gt;&lt;mdo:image alt=&quot;&quot; height=&quot;13&quot; src=&quot;blank10x10.jpg&quot; width=&quot;12&quot;&gt;&lt;/mdo:image&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/6508&amp;amp;part=note&quot;&gt;YES&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=6508&amp;amp;part=&quot;&gt;Carbon Footprints&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;Is it really greener to go on the bus, or to buy locally produced food?&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td rowspan=&quot;2&quot; style=&quot;padding:10px;&quot;&gt;Powers and roots&lt;/td&gt;
&lt;td&gt;&lt;mdo:image alt=&quot;&quot; height=&quot;30&quot; src=&quot;interactive30x30.JPG&quot; width=&quot;30&quot;&gt;&lt;/mdo:image&gt;&lt;/td&gt;
&lt;td&gt;YES&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=6349&amp;amp;part=&quot;&gt;A Question of Scale&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;This interactive page allows you to test your knowledge and skill using powers of 10 to place physical quantities in order of size.&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;&lt;mdo:image alt=&quot;&quot; height=&quot;30&quot; src=&quot;interactive30x30.JPG&quot; width=&quot;30&quot;&gt;&lt;/mdo:image&gt;&lt;/td&gt;
&lt;td&gt;YES&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=6448&amp;amp;part=&quot;&gt;Power Countdown&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;Try to hit the targets using the operations of powers and roots.&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td rowspan=&quot;6&quot; style=&quot;padding:10px;&quot;&gt;Data handling&lt;/td&gt;
&lt;td&gt;&lt;mdo:image alt=&quot;&quot; height=&quot;30&quot; src=&quot;lips30x30.JPG&quot; width=&quot;30&quot;&gt;&lt;/mdo:image&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/5933&amp;amp;part=note&quot;&gt;YES&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=5933&amp;amp;part=&quot;&gt;Data Matching&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;Use your skill and judgement to match the sets of random data&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;&lt;mdo:image alt=&quot;&quot; height=&quot;30&quot; src=&quot;interactive30x30.JPG&quot; width=&quot;30&quot;&gt;&lt;/mdo:image&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/5801&amp;amp;part=note&quot;&gt;YES&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=5801&amp;amp;part=&quot;&gt;Odd One Out&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=5801&amp;amp;part=&quot;&gt;&lt;/a&gt; Develop your eye for patterns in data by trying to deduce the likely location of the odd ones out in six sets of random numbers&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;&lt;mdo:image alt=&quot;&quot; height=&quot;30&quot; src=&quot;interactive30x30.JPG&quot; width=&quot;30&quot;&gt;&lt;/mdo:image&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/6506&amp;amp;part=note&quot;&gt;YES&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=6506&amp;amp;part=&quot;&gt;Back Fitter&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;10 graphs are of noisy experimental data are given. Can you use the spreadsheet provided to find algebraic graphs which match them closely?&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;&lt;mdo:image alt=&quot;&quot; height=&quot;30&quot; src=&quot;lips30x30.JPG&quot; width=&quot;30&quot;&gt;&lt;/mdo:image&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/7367&amp;amp;part=note&quot;&gt;YES&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=7367&quot;&gt;Who&amp;#39;s the best?&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;Which countries have the most naturally athletic populations?&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;&lt;mdo:image alt=&quot;&quot; height=&quot;30&quot; src=&quot;lips30x30.JPG&quot; width=&quot;30&quot;&gt;&lt;/mdo:image&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/7360&amp;amp;part=note&quot;&gt;YES&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=7360&quot;&gt;David and Goliath&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;It is suggested that heavier competitors are at an advantage in the shot put. Do the data support that claim?&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;&lt;mdo:image alt=&quot;&quot; height=&quot;30&quot; src=&quot;interactive30x30.JPG&quot; width=&quot;30&quot;&gt;&lt;/mdo:image&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/6990&amp;amp;part=note&quot;&gt;YES&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=6990&quot;&gt;Guessing the graph&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;Analyses these pieces of scientifc data and try to deduce the equation of the curve underlying the process.&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td rowspan=&quot;2&quot; style=&quot;padding:10px;&quot;&gt;Trigonometry&lt;/td&gt;
&lt;td&gt;&lt;mdo:image alt=&quot;&quot; height=&quot;30&quot; src=&quot;individual30x30.jpg&quot; width=&quot;30&quot;&gt;&lt;/mdo:image&gt;&lt;/td&gt;
&lt;td&gt;-&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=2357&amp;amp;part=&quot;&gt;Far Horizon&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;An observer is on top of a lighthouse. How far from the foot of the lighthouse is the horizon that the observer can see?&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;&lt;mdo:image alt=&quot;&quot; height=&quot;30&quot; src=&quot;investigate30x30.jpg&quot; width=&quot;30&quot;&gt;&lt;/mdo:image&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/6683&amp;amp;part=note&quot;&gt;YES&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/6683&amp;amp;part=&quot;&gt;Perfect Eclipse&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;Find out why perfect eclipses are, in fact, perfect.&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td rowspan=&quot;3&quot; style=&quot;padding:10px;&quot;&gt;Units&lt;/td&gt;
&lt;td&gt;&lt;mdo:image alt=&quot;&quot; height=&quot;30&quot; src=&quot;stopwatch30x30.JPG&quot; width=&quot;30&quot;&gt;&lt;/mdo:image&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/6146&amp;amp;part=note&quot;&gt;YES&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=6479&amp;amp;part=&quot;&gt;Uniform Units&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;Can you choose your units so that a cube has the same numerical value for it volume, surface area and total edge length?&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;&lt;mdo:image alt=&quot;&quot; height=&quot;30&quot; src=&quot;lips30x30.JPG&quot; width=&quot;30&quot;&gt;&lt;/mdo:image&gt;&lt;/td&gt;
&lt;td&gt;-&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=6146&amp;amp;part=&quot;&gt;Bigger or Smaller?&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;Develop your intuition for changing units by asking the simple question: will a unit change give me a larger or smaller number?&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;&lt;mdo:image alt=&quot;&quot; height=&quot;30&quot; src=&quot;lips30x30.JPG&quot; width=&quot;30&quot;&gt;&lt;/mdo:image&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/6154&amp;amp;part=note&quot;&gt;YES&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=6154&amp;amp;part=&quot;&gt;Choose Your Units&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;Which would be the most sensible units in which to measure these objects?&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td rowspan=&quot;3&quot; style=&quot;padding:10px;&quot;&gt;Algorithms and decision making&lt;/td&gt;
&lt;td&gt;&lt;mdo:image alt=&quot;&quot; height=&quot;30&quot; src=&quot;slips30x30.JPG&quot; width=&quot;30&quot;&gt;&lt;/mdo:image&gt;&lt;/td&gt;
&lt;td&gt;-&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=6957&amp;amp;part=&quot;&gt;How would you score it?&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;How would you devise a scoring system to score a &amp;#39;guess the weight&amp;#39; competition?&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;/tr&gt;
&lt;/tbody&gt;
&lt;/table&gt;
&lt;br&gt;&lt;/br&gt;&lt;/mdoxml&gt;</indexXML>
  <solutionXML/>
  <noteXML/>
  <clueXML/>
  <canonXML>&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt;
&lt;mdoxml version=&quot;1.0&quot;&gt;&lt;br&gt;&lt;/br&gt;
Development template&lt;br&gt;&lt;/br&gt;
  

&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;10&quot; border=&quot;1&quot;&gt;
&lt;tbody&gt;
&lt;tr&gt;
&lt;th width=&quot;15&quot; scope=&quot;col&quot;&gt;STATUS&lt;/th&gt;
&lt;th width=&quot;25&quot; scope=&quot;col&quot;&gt;&lt;a href=&quot;http://nrich.maths.org/6103&amp;amp;part=&quot;&gt;Style&lt;/a&gt;&lt;/th&gt;
&lt;th width=&quot;30&quot; scope=&quot;col&quot;&gt;&lt;a href=&quot;http://nrich.maths.org/6103&amp;amp;part=&quot;&gt;Use in&lt;/a&gt;&lt;/th&gt;
&lt;th width=&quot;30&quot; scope=&quot;col&quot;&gt;&lt;a href=&quot;http://nrich.maths.org/6103&amp;amp;part=&quot;&gt;Yrs&lt;/a&gt;&lt;/th&gt;
&lt;th width=&quot;150&quot; scope=&quot;col&quot;&gt;Question&lt;/th&gt;
&lt;th scope=&quot;col&quot;&gt;Description&lt;/th&gt;
&lt;/tr&gt;

&lt;tr&gt;
&lt;td colspan=&quot;6&quot;&gt;Stage 3&lt;/td&gt;
&lt;/tr&gt;

&lt;tr&gt;
&lt;td&gt;DRAFT&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;M|S&lt;/td&gt;
&lt;td&gt;7-11&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/7417&amp;amp;part=&quot;&gt;Certainly
approximate&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;Can you rank these curious physical quantities in order of
size?&lt;/td&gt;
&lt;/tr&gt;

&lt;tr&gt;
&lt;td&gt;DRAFT&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/7421&amp;amp;part=&quot;&gt;Lining up for
line graphs&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;/tr&gt;

&lt;tr&gt;
&lt;td&gt;DRAFT&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/7419&amp;amp;part=&quot;&gt;Fill me
up&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;See how quickly the level of liquid rises in these
vessels.&lt;/td&gt;
&lt;/tr&gt;

&lt;tr&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;/tr&gt;

&lt;tr&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;/tr&gt;

&lt;tr&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;/tr&gt;

&lt;tr&gt;
&lt;td&gt;PUBLISHED&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/6044&amp;amp;part=&quot;&gt;Reaction
timer&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;This problem offers you two ways to test reactions - use them
to investigate your ideas about speeds of reaction. &lt;/td&gt;
&lt;/tr&gt;

&lt;tr&gt;
&lt;td colspan=&quot;6&quot;&gt;Stage 4&lt;/td&gt;
&lt;/tr&gt;

&lt;tr&gt;
&lt;td&gt;DRAFT&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;M|S&lt;/td&gt;
&lt;td&gt;11&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/7415&amp;amp;part=&quot;&gt;Get in
line&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;Link together the physical processes with their equation and
graphs. Discuss the mathematical modelling assumptions made.&lt;/td&gt;
&lt;/tr&gt;

&lt;tr&gt;
&lt;td&gt;DRAFT&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;M&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/7109&amp;amp;part=&quot;&gt;Speedo&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;What can we know for certain about a car journey where we
infrequently looked at the speedometer?&lt;/td&gt;
&lt;/tr&gt;

&lt;tr&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;/tr&gt;

&lt;tr&gt;
&lt;td&gt;PUBLISHED&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/6990&amp;amp;part=&quot;&gt;Guessing the
graph&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;Can you suggest a curve to fit some experimental data? Can you
work out where the data might have come from? &lt;/td&gt;
&lt;/tr&gt;

&lt;tr&gt;
&lt;td&gt;PUBLISHED&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/7033&amp;amp;part=&quot;&gt;How do you
react?&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;To investigate the relationship between the distance the ruler
drops and the time taken, we need to do some mathematical
modelling... &lt;/td&gt;
&lt;/tr&gt;

&lt;tr&gt;
&lt;td&gt;PUBLISHED&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;M&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/6630&amp;amp;part=&quot;&gt;Mach
attack&lt;/a&gt; &lt;/td&gt;
&lt;td&gt;Think about breaking the sound barrier.&lt;/td&gt;
&lt;/tr&gt;

&lt;tr&gt;
&lt;td&gt;DRAFT&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;M&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/7360&amp;amp;part=&quot;&gt;David and
Goliath&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;Can you find the relationship between strength and size from
this data taken from weightlifting?&lt;/td&gt;
&lt;/tr&gt;

&lt;tr&gt;
&lt;td colspan=&quot;6&quot;&gt;Mixed stage 3/4 science/maths&lt;/td&gt;
&lt;/tr&gt;

&lt;tr&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;/tr&gt;

&lt;tr&gt;
&lt;td&gt;
&lt;div&gt;.&lt;/div&gt;
&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;/tr&gt;

&lt;tr&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;/tr&gt;

&lt;tr&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;/tr&gt;

&lt;tr&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;/tr&gt;

&lt;tr&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;/tr&gt;

&lt;tr&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;td&gt;.&lt;/td&gt;
&lt;/tr&gt;
&lt;/tbody&gt;
&lt;/table&gt;

&lt;br&gt;&lt;/br&gt;&lt;/mdoxml&gt;</canonXML>
  <end_user_role>2</end_user_role>
  <difficulty>3</difficulty>
  <keystage1>0</keystage1>
  <keystage2>0</keystage2>
  <keystage3>0</keystage3>
  <keystage4>1</keystage4>
  <keystage4plus>1</keystage4plus>
  <title>Core Scientific Mathematics</title>
  <description>This is the area of the advanced stemNRICH site devoted to the core applied mathematics underlying the sciences.</description>
  <spec_group>Applications
    <specifier>chemistry</specifier>
  </spec_group>
  <spec_group>Applications
    <specifier>physics</specifier>
  </spec_group>
  <spec_group>Applications
    <specifier>engineering</specifier>
  </spec_group>
  <spec_group>Applications
    <specifier>biology</specifier>
  </spec_group>
  <spec_group>sfh10
    <specifier>Steve - Development</specifier>
  </spec_group>
</resource>