tag:blogger.com,1999:blog-43297884147095814192011-04-22T05:07:29.250+08:00Miss Ong Lu Luhttp://www.blogger.com/profile/09121709778087537037noreply@blogger.comBlogger21100tag:blogger.com,1999:blog-4329788414709581419.post-82271652520700901542007-08-01T16:13:00.000+08:002007-08-01T16:28:15.130+08:00<div>Hi 3 Express pupils,<br /><div><div></div><br /><div>Remember this problem that I posed to you? </div><br /><br /><div></div><br /><div><strong><span style="color:#006600;">Scenario</span></strong></div><img id="BLOGGER_PHOTO_ID_5093644313388599122" style="DISPLAY: block; MARGIN: 0px auto 10px; CURSOR: hand; TEXT-ALIGN: center" height="179" alt="" src="http://bp1.blogger.com/_iBdBAt4E3XI/RrBChAe3R1I/AAAAAAAAAAU/evto_icsvDA/s320/MRT.jpg" width="251" border="0" /><br /><div></div><div>The MRT (Mass Rapid Transit) system forms the backbone of the railway system in Singapore with a network spanning the entire city-state. </div><br /><br /><div></div><img id="BLOGGER_PHOTO_ID_5093644652691015522" style="DISPLAY: block; MARGIN: 0px auto 10px; CURSOR: hand; TEXT-ALIGN: center" alt="" src="http://bp0.blogger.com/_iBdBAt4E3XI/RrBC0we3R2I/AAAAAAAAAAc/93CW80zYwAs/s320/inside.jpg" border="0" /> <div>The system includes tunnels that run underground.<br /></div><div><br />This is a typical underground MRT tunnel. </div><br /><div><img id="BLOGGER_PHOTO_ID_5093644923273955186" style="DISPLAY: block; MARGIN: 0px auto 10px; CURSOR: hand; TEXT-ALIGN: center" height="165" alt="" src="http://bp3.blogger.com/_iBdBAt4E3XI/RrBDEge3R3I/AAAAAAAAAAk/BKvmfa0dDTU/s320/tunnel.jpg" width="267" border="0" /><br />To ensure that the trains travel through the tunnel safely, the engineer has to know<br />(1) the perimeter of the wall,<br />(2) the cross-sectional area of the tunnel.<br /><br /><strong><span style="color:#ff6600;">Task</span></strong> </div><div>Suppose that you are the engineer, how would you find the<br />(1) the perimeter of the wall, and<br />(2) the cross-sectional area of the tunnel?<br /><br />What would you ask so that you will understand the Problem better?<br />Enter your questions under Comments.</div></div></div><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4329788414709581419-8227165252070090154?l=missong2007.blogspot.com' alt='' /></div>Miss Ong Lu Luhttp://www.blogger.com/profile/09121709778087537037noreply@blogger.com0tag:blogger.com,1999:blog-4329788414709581419.post-51575071789597751402007-07-18T16:59:00.000+08:002007-07-22T16:31:01.298+08:00Hi Sec 3E, 3H and 3J pupils,<br /><br />We have been learning Trigonometry for a number of weeks already. How have you been coping? Are you able to understand all the formulae? Is there anything you want to ask about this chapter?<br /><br />Try this activity out!<br /><br /><span style="font-family:georgia;color:#000099;"><strong>Activity: Exploring the best path</strong></span><br /><br /><img id="BLOGGER_PHOTO_ID_5089935561883862850" style="DISPLAY: block; MARGIN: 0px auto 10px; CURSOR: hand; TEXT-ALIGN: center" alt="" src="http://bp1.blogger.com/_iBdBAt4E3XI/RqMVbQe3R0I/AAAAAAAAAAM/RplMEI1QA98/s320/Picture1.jpg" border="0" /><br />What would you ask so that you will understand the Problem better?<br />Enter your questions under Comments.<br /><p></p><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4329788414709581419-5157507178959775140?l=missong2007.blogspot.com' alt='' /></div>Miss Ong Lu Luhttp://www.blogger.com/profile/09121709778087537037noreply@blogger.com6