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&lt;h2 style=&quot;text-align: center;&quot;&gt;Year 8 Maths Day - Enriching Mathematical Thinking&lt;/h2&gt;
&lt;h3 style=&quot;text-align: center;&quot;&gt;St Crispin&amp;#39;s School, Wokingham - 28th February 2006&lt;/h3&gt;
&lt;div&gt;NEW TO LOOK AT :&lt;/div&gt;
&lt;div&gt; &lt;/div&gt;
&lt;p&gt;&lt;a href=&quot;http://nrich.maths.org/content/id/2760/diamond.swf&quot;&gt;Diamond Mine&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=2685&amp;amp;part=index&amp;amp;refpage=monthindex.php&quot;&gt;Oware&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=2779&amp;amp;part=index&amp;amp;refpage=monthindex.php&quot;&gt;Divide &amp;amp; Rule&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href=&quot;http://nrich.maths.org/content/id/2656/LastBiscuit.swf&quot;&gt;Last Biscuit&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=1269&amp;amp;part=index&amp;amp;refpage=listby.php&quot;&gt;Got It&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=2281&amp;amp;part=index&amp;amp;refpage=listby.php&quot;&gt;Number Pyramids&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=1223&amp;amp;part=index&amp;amp;refpage=listby.php&quot;&gt;Fifteen&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=1043&amp;amp;part=index&amp;amp;refpage=listby.php&quot;&gt;Magic 14&lt;/a&gt;&lt;/p&gt;
&lt;br&gt;&lt;/br&gt;
&lt;br&gt;&lt;/br&gt;
&lt;h4&gt;Activity 1 ( Number Problems )&lt;/h4&gt;
&lt;ul&gt;
&lt;li&gt;
&lt;p&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=1885&quot;&gt;Make 37&lt;/a&gt;&lt;/p&gt;
&lt;/li&gt;
&lt;li&gt;
&lt;p&gt;&lt;a href=&quot;/content/id/4800/up%26down%20game.xls&quot;&gt;The Up &amp;amp; Down Game&lt;/a&gt;&lt;/p&gt;
&lt;/li&gt;
&lt;li&gt;
&lt;p&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=1866&quot;&gt;Three from Five&lt;/a&gt; (plus &lt;a href=&quot;/content/id/4800/take%20three%20from%20five.xls&quot;&gt;Excel interactivity&lt;/a&gt; )&lt;/p&gt;
&lt;/li&gt;
&lt;/ul&gt;
&lt;br&gt;&lt;/br&gt;
&lt;h4&gt;Activity 2 ( Exploring Factors with Excel Interactivities - heading for Algebra )&lt;/h4&gt;
&lt;ul&gt;
&lt;li&gt;
&lt;p&gt;&lt;a href=&quot;/content/id/4800/Make%20a%20Copy.xls&quot;&gt;Make a Copy&lt;/a&gt;&lt;/p&gt;
&lt;/li&gt;
&lt;li&gt;
&lt;p&gt;&lt;a href=&quot;/content/id/4800/Multiples.xls&quot;&gt;Multiples&lt;/a&gt;&lt;/p&gt;
&lt;/li&gt;
&lt;li&gt;
&lt;p&gt;&lt;a href=&quot;/content/id/4800/Multiples%20Chain.xls&quot;&gt;Multiples Chains&lt;/a&gt;&lt;/p&gt;
&lt;/li&gt;
&lt;li&gt;
&lt;p&gt;&lt;a href=&quot;/content/id/4800/Interactive%20Number%20Pattern.xls&quot;&gt;Interactive Number Patterns&lt;/a&gt;&lt;/p&gt;
&lt;/li&gt;
&lt;/ul&gt;
&lt;h4&gt;Activity 4 ( Speed, Distance, Time . . . and graphs )&lt;/h4&gt;
&lt;ul&gt;
&lt;li&gt;
&lt;p&gt;Walk At . . . ( &lt;a href=&quot;/content/id/4800/Student%20ws%20for%20Walk%20AtX.doc&quot;&gt;student worksheet&lt;/a&gt; )&lt;/p&gt;
&lt;/li&gt;
&lt;li&gt;
&lt;p&gt;Walk - Don&amp;#39;t Walk&lt;/p&gt;
&lt;/li&gt;
&lt;li&gt;
&lt;p&gt;Speed, Distance &amp;amp; Time Problems from the NRICH site ( &lt;a href=&quot;/content/id/4800/Speed%2C%20Distance%20and%20Time%20Problems.doc&quot;&gt;student workshee&lt;/a&gt; t )&lt;/p&gt;
&lt;/li&gt;
&lt;/ul&gt;
&lt;br&gt;&lt;/br&gt;
&lt;h4&gt;Activity 5 ( Plasticine Boats and other Volume Problems )&lt;/h4&gt;
&lt;ul&gt;
&lt;li&gt;
&lt;p&gt;Make a boat from 40g of Plasticine and see how many pennies you can make float&lt;/p&gt;
&lt;/li&gt;
&lt;li&gt;
&lt;p&gt;Volume Problems from the NRICH site (&lt;a href=&quot;/content/id/4800/Volume%20problems.doc&quot;&gt;student worksheet&lt;/a&gt; )&lt;/p&gt;
&lt;/li&gt;
&lt;/ul&gt;
&lt;br&gt;&lt;/br&gt;
&lt;h4&gt;Activity 3 ( Going Geometric)&lt;/h4&gt;
&lt;ul&gt;
&lt;li&gt;Four Coins or &lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=2911&quot;&gt;Keep Your Distance&lt;/a&gt;&lt;/li&gt;
&lt;/ul&gt;
&lt;br&gt;&lt;/br&gt;
&lt;h4&gt;Activity XX The Red Spot Challenge&lt;/h4&gt;
&lt;ul&gt;
&lt;li&gt;Here&amp;#39;s the &lt;a href=&quot;/content/id/4800/Red%20Spot.xls&quot;&gt;Red Spot Excel file&lt;/a&gt;&lt;/li&gt;
&lt;/ul&gt;
&lt;br&gt;&lt;/br&gt;
And here&amp;#39;s the First Challenge :&lt;br&gt;&lt;/br&gt;
&lt;ul&gt;
&lt;li&gt;
&lt;p&gt;There are five sets of buttons. In each set the buttons control 4 numbers.&lt;/p&gt;
&lt;/li&gt;
&lt;li&gt;
&lt;p&gt;Click some buttons to see what happens.&lt;/p&gt;
&lt;/li&gt;
&lt;li&gt;
&lt;p&gt;The numbers define a line. There are two coordinates for each end of a line.&lt;/p&gt;
&lt;/li&gt;
&lt;li&gt;
&lt;p&gt;Set all the coordinates to zero, and then enter the values in the screen shot above.&lt;/p&gt;
&lt;/li&gt;
&lt;li&gt;
&lt;p&gt;You now have two sides of the letter A . Can you add a third line for the cross bar ?&lt;/p&gt;
&lt;/li&gt;
&lt;li&gt;
&lt;p&gt;What are the coordinates for the top point of the letter A ?&lt;/p&gt;
&lt;/li&gt;
&lt;li&gt;
&lt;p&gt;You can have up to five lines showing, but if you don&amp;#39;t want a line at any time just set all four coordinates to zero and it shrinks to the origin (0,0).&lt;/p&gt;
&lt;/li&gt;
&lt;/ul&gt;
In the RED Spot game you are trying to make letters of the alphabet.&lt;br&gt;&lt;/br&gt;
&lt;ul&gt;
&lt;li&gt;
&lt;p&gt;Start anywhere you like : maybe with the letters of your name&lt;/p&gt;
&lt;/li&gt;
&lt;li&gt;
&lt;p&gt;You score a point for every letter you can do.&lt;/p&gt;
&lt;/li&gt;
&lt;li&gt;
&lt;p&gt;Plus an extra point for each line in a letter that goes through any Red Spot&lt;/p&gt;
&lt;/li&gt;
&lt;li&gt;
&lt;p&gt;You can have up to three red spots.&lt;/p&gt;
&lt;/li&gt;
&lt;li&gt;
&lt;p&gt;Challenge someone else. Or if you are working by yourself get some practice in, ready for when you can challenge someone.&lt;/p&gt;
&lt;/li&gt;
&lt;li&gt;
&lt;p&gt;Invent some rules of your own : perhaps make up rules about how you take turns, what lines you can move and by how much.&lt;/p&gt;
&lt;/li&gt;
&lt;/ul&gt;
Be inventive - it&amp;#39;s your game ! Have fun !&lt;br&gt;&lt;/br&gt;
Here&amp;#39;s all that as a &lt;a href=&quot;/content/id/4800/Red%20Spot%20ws.doc&quot;&gt;Word doc file&lt;/a&gt;&lt;br&gt;&lt;/br&gt;
&lt;br&gt;&lt;/br&gt;
&lt;br&gt;&lt;/br&gt;
&lt;h4&gt;Activity 6 ( Excel with Excel and Spinners )&lt;/h4&gt;
&lt;ul&gt;
&lt;li&gt;
&lt;p&gt;Inserting Increment Buttons ( &lt;a href=&quot;/content/id/4800/Inserting%20an%20Increment%20Button.doc&quot;&gt;help sheet&lt;/a&gt; )&lt;/p&gt;
&lt;/li&gt;
&lt;li&gt;
&lt;p&gt;Making the Up &amp;amp; Down Game ( &lt;a href=&quot;/content/id/4800/Making%20the%20Up%20%26%20Down%20GameX.doc&quot;&gt;student worksheet&lt;/a&gt; )&lt;/p&gt;
&lt;/li&gt;
&lt;li&gt;
&lt;p&gt;To follow those instructions you need to have on view these two other (simpler) versions of the Excel file : Up &amp;amp; Down Game (&lt;a href=&quot;/content/id/4800/up%26down%20game%20%28Structure%201%29.xls&quot;&gt;structure 1&lt;/a&gt; ) Up &amp;amp; Down Game (&lt;a href=&quot;/content/id/4800/up%26down%20game%20%28Structure%202%29.xls&quot;&gt;structure 2&lt;/a&gt; )&lt;/p&gt;
&lt;/li&gt;
&lt;/ul&gt;
&lt;br&gt;&lt;/br&gt;
&lt;h4&gt;Activity YY - Card Tricks&lt;/h4&gt;
&lt;ul&gt;
&lt;li&gt;
&lt;p&gt;&lt;a href=&quot;http://nrich.maths.org/8665&quot;&gt;Card Trick 1&lt;/a&gt;&lt;/p&gt;
&lt;/li&gt;
&lt;li&gt;
&lt;p&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=501&amp;amp;part=index&amp;amp;refpage=monthindex.php&quot;&gt;Card Trick 2&lt;/a&gt;&lt;/p&gt;
&lt;/li&gt;
&lt;li&gt;
&lt;p&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=1843&amp;amp;part=index&amp;amp;refpage=monthindex.php&quot;&gt;Counting Cards&lt;/a&gt;&lt;/p&gt;
&lt;/li&gt;
&lt;li&gt;
&lt;p&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=1479&amp;amp;part=index&amp;amp;refpage=monthindex.php&quot;&gt;The Best Card Trick Ever!&lt;/a&gt;&lt;/p&gt;
&lt;/li&gt;
&lt;li&gt;
&lt;p&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=2028&amp;amp;part=index&amp;amp;refpage=monthindex.php&quot;&gt;The Amazing Card Trick&lt;/a&gt; we&amp;#39;ve already met but can you explain this trick? hmm . . .&lt;/p&gt;
&lt;/li&gt;
&lt;/ul&gt;
&lt;br&gt;&lt;/br&gt;
&lt;h4&gt;Activity ZZ - The Pegboard Interactivity&lt;/h4&gt;
&lt;br&gt;&lt;/br&gt;
Below are four problems to go after, each has its own pegboard, but if you just want the pegboard by itself here&amp;#39;s a direct link - &lt;a href=&quot;http://nrich.maths.org/content/id/2883/circleAngles.swf&quot;&gt;Virtual Pegboard&lt;/a&gt;&lt;br&gt;&lt;/br&gt;
&lt;ul&gt;
&lt;li&gt;
&lt;p&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=2844&amp;amp;part=index&amp;amp;refpage=monthindex.php&quot;&gt;Triangles in Circles&lt;/a&gt;&lt;/p&gt;
&lt;/li&gt;
&lt;li&gt;
&lt;p&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=2845&amp;amp;part=index&amp;amp;refpage=monthindex.php&quot;&gt;Subtended Angles&lt;/a&gt;&lt;/p&gt;
&lt;/li&gt;
&lt;li&gt;
&lt;p&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=2847&amp;amp;part=index&amp;amp;refpage=monthindex.php&quot;&gt;Right Angles&lt;/a&gt;&lt;/p&gt;
&lt;/li&gt;
&lt;li&gt;
&lt;p&gt;&lt;a href=&quot;http://nrich.maths.org/public/viewer.php?obj_id=2865&amp;amp;part=index&amp;amp;refpage=monthindex.php&quot;&gt;Pegboard Quads&lt;/a&gt;&lt;/p&gt;
&lt;/li&gt;
&lt;/ul&gt;
&lt;br&gt;&lt;/br&gt;
&lt;br&gt;&lt;/br&gt;
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