tag:blogger.com,1999:blog-19186531100317942652024-02-19T07:21:52.198-08:00pslemathpsle-mathshttp://www.blogger.com/profile/12706744319399788493noreply@blogger.comBlogger9125tag:blogger.com,1999:blog-1918653110031794265.post-24890380252506840322008-10-07T01:50:00.000-07:002008-10-07T02:00:29.571-07:002008 PSLE MATH QUESTION<span style="color:#ff0000;"><div></div><br /><div><span style="color:#333333;">To raise fund for their school, Wendy and Alice cut out red paper hearts for sale. They could cut 3 red hearts from each piece of paper. For every 19 pieces of paper used, 2 red hearts were damaged. The red hearts were sold at 5 ยข each. Wendy and Alice collected $38.50 in total from the sale of all their red hearts. How many pieces of paper were used to cut the red hearts?</span></div><br /><div></div><br /><div></div><br /><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgjaSVuG58zJJkE1su3XCUZDZr_O_RZ7vXXTLHPm8yDiVzYhzEqdMtGk_aiIkDxZBvRxbSGBBIS801vryBTtXGuWKjsgXC6S4_AoS7jgf6-51cNkCkxwmfOfqSMXYCb1tKPvqY79UBGFyKq/s1600-h/P.jpg"><strong><img id="BLOGGER_PHOTO_ID_5254332578611478882" style="CURSOR: hand" alt="" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgjaSVuG58zJJkE1su3XCUZDZr_O_RZ7vXXTLHPm8yDiVzYhzEqdMtGk_aiIkDxZBvRxbSGBBIS801vryBTtXGuWKjsgXC6S4_AoS7jgf6-51cNkCkxwmfOfqSMXYCb1tKPvqY79UBGFyKq/s800/P.jpg" border="0" /></strong></a><br /></span><span style="color:#ff0000;"></span>psle-mathshttp://www.blogger.com/profile/12706744319399788493noreply@blogger.com0tag:blogger.com,1999:blog-1918653110031794265.post-26066287031412049772008-10-07T01:31:00.001-07:002008-10-07T01:43:39.192-07:00Q48 PSLE 2008 Math QuestionBryan invited 20 more boys than girls to a party. 3/4 of the boys and 2/3 of the girls came. 19 people didn't come. How many people did he invite?<br /><br /><span style="color:#ff0000;"><strong>Solutions</strong></span><br /><br /><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjU_dLfX_u5w0voobWSAH5QHZU2gerB2xltjNiMvQRLK4hIz7XlzYe2DZhmavbEaTjUdWC81v9ujypU2eo2thv6x-XukWMzAZglogP6NmK6aOYPufZuqNY43mDX2duPgaxuCUjPnd93aisR/s1600-h/ps.jpg"><img id="BLOGGER_PHOTO_ID_5254329052860215458" style="CURSOR: hand" alt="" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjU_dLfX_u5w0voobWSAH5QHZU2gerB2xltjNiMvQRLK4hIz7XlzYe2DZhmavbEaTjUdWC81v9ujypU2eo2thv6x-XukWMzAZglogP6NmK6aOYPufZuqNY43mDX2duPgaxuCUjPnd93aisR/s400/ps.jpg" border="0" /></a><br /><span style="color:#ff0000;">Total number of people invited is 68<br /></span>psle-mathshttp://www.blogger.com/profile/12706744319399788493noreply@blogger.com0tag:blogger.com,1999:blog-1918653110031794265.post-27219321374766856962008-09-03T01:33:00.000-07:002008-09-03T02:08:43.018-07:00Fraction Question<span style="font-size:130%;">There are 47000 small and big marbles.<br />8/9 of the small marbles and 3/4 of the big marbles are blue<br />The number of big blue marbles is 5/8 of the number of<br />small blue marbles.<br />How many small marbles are there?<br />How many big blue marbles are there?</span><br /><br /><strong><span style="color:#3366ff;">Solution</span> </strong><br /><br /><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg_O6A2h07vog6X6J5pMd_D7nEDtsJ0RQlODzZay6sApCTdQYannHoUOFSXa-kt53_jXksgnew8IDv_z4c1pZCqOOIt7ECndidQfUBLARfBjVCvJA5SCxgzoxV5X8hMqPr1QLHV9KtHI-6d/s1600-h/n.jpg"><img id="BLOGGER_PHOTO_ID_5241715978922120866" style="CURSOR: hand" alt="" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg_O6A2h07vog6X6J5pMd_D7nEDtsJ0RQlODzZay6sApCTdQYannHoUOFSXa-kt53_jXksgnew8IDv_z4c1pZCqOOIt7ECndidQfUBLARfBjVCvJA5SCxgzoxV5X8hMqPr1QLHV9KtHI-6d/s800/n.jpg" border="0" /></a>psle-mathshttp://www.blogger.com/profile/12706744319399788493noreply@blogger.com0tag:blogger.com,1999:blog-1918653110031794265.post-44840887537433814382008-08-27T19:44:00.000-07:002008-09-03T02:09:24.572-07:00Speed Question<span style="font-size:130%;">Harry and Martin cycled from Town X to Town Y at constants speed.<br />Harry took 4 hours to cycle the whole journey.<br />Martin took 2.5 hours to cycle 3/4 of the whole journey.<br />Find the ratio of Harry's speed to Martin's speed.</span><br /><span style="font-size:130%;color:#3333ff;"><strong></strong></span><br /><span style="font-size:130%;color:#3333ff;"><strong>Solution</strong></span><br /><br /><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEixr7XwAVTHMJFUN8z1OTG0hDVbYjQ5DYtGesBeSR2ugtVHjWElx8UWLOekeC7XOdq-PuQEUoEMQDw4zxcu8AEhYLufepw4MUXiG9kQO_T70kxG43G1w3EYe8bMuIHiUsUhcMSQ-XR-aKDq/s1600-h/Untitled.jpg"><img id="BLOGGER_PHOTO_ID_5239414475808714546" style="CURSOR: hand" alt="" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEixr7XwAVTHMJFUN8z1OTG0hDVbYjQ5DYtGesBeSR2ugtVHjWElx8UWLOekeC7XOdq-PuQEUoEMQDw4zxcu8AEhYLufepw4MUXiG9kQO_T70kxG43G1w3EYe8bMuIHiUsUhcMSQ-XR-aKDq/s800/Untitled.jpg" border="0" /></a>psle-mathshttp://www.blogger.com/profile/12706744319399788493noreply@blogger.com0tag:blogger.com,1999:blog-1918653110031794265.post-32236751567792798312008-08-26T21:14:00.000-07:002008-09-03T02:10:21.113-07:00Pei Chun Public Sch 2007 PSLE Math Prelim Q43<span style="font-size:130%;">Taufik arranged a rectangle and a square and painted them in three colours as shown in the figure below.</span><br /><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhLmeg6eAy_9TBgggKcBh6YlEwxInOUFBoNFun31u4EToynjBAmlkyWgP8Hc7wuHVIxoHnoVAu7Pj7FuaY2CSU4voBPfzfKI3vkCru70C8zW32v3XsjhpwIXDQ0NPWYr98pbcAP6MKBC4hM/s1600-h/s.jpg"><img id="BLOGGER_PHOTO_ID_5239061309340823922" style="CURSOR: hand" alt="" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhLmeg6eAy_9TBgggKcBh6YlEwxInOUFBoNFun31u4EToynjBAmlkyWgP8Hc7wuHVIxoHnoVAu7Pj7FuaY2CSU4voBPfzfKI3vkCru70C8zW32v3XsjhpwIXDQ0NPWYr98pbcAP6MKBC4hM/s400/s.jpg" border="0" /></a><br /><br /><span style="font-size:130%;">THe ratio of the area of the rectangle to that of the square is 3:1.<br />The ratio of the area of the red part to that of the blue part is 4:1.<br />The length of the square is 9 cm.<br />a) What is the area of the purple part?<br />b) What is the ratio of the area of the purple part to that of the figure?</span><br /><br /><span style="color:#3366ff;"><strong>Solution<br /></strong></span><br /><br /><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj3bF5K9_fY2WiHE-XC8W9yBmmU5aCtDmagZEDGG8L8eYygkOH7sFZVHgvX9FS0orvsw_Kr5Cp_59LNSTYucRw7tHvHzrSG2-G5GoVXnfiMaQP8Noo3gUxpl9qhHg5UBlFX1Os9p_s20Aim/s1600-h/1.jpg"><img id="BLOGGER_PHOTO_ID_5239061955722311570" style="CURSOR: hand" alt="" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj3bF5K9_fY2WiHE-XC8W9yBmmU5aCtDmagZEDGG8L8eYygkOH7sFZVHgvX9FS0orvsw_Kr5Cp_59LNSTYucRw7tHvHzrSG2-G5GoVXnfiMaQP8Noo3gUxpl9qhHg5UBlFX1Os9p_s20Aim/s800/1.jpg" border="0" /></a>psle-mathshttp://www.blogger.com/profile/12706744319399788493noreply@blogger.com2tag:blogger.com,1999:blog-1918653110031794265.post-69669934688342031092008-08-17T17:17:00.000-07:002008-08-17T18:24:25.668-07:00Speed QuestionUncle Tom is going to deliver some good from his shop to a customer in a town.<br />If he travels at an average speed of 30km/h , he will reach the town at 1pm.<br />If he travels at a speed of 40km/h, he will reach the town at 11am.<br />What should his average speed be if he wants to reach the town at 12 noon?<br /><br /><span style="color:#3366ff;"><strong>Solution</strong><br /></span><br /><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhNaG2KU6EXVydVIhlxxqA2Zt5FK1N-AjFtJkk_O8uIOz5W1-gKDZbYCdYavPhwBonuzbbu3q3NSaDOvTE9Ogi6yzShQp9ou0y7SRxNQ4vjryOqf27J_ssnHfs4Y-ZnkDsq2nzSG8KBnyJc/s1600-h/q1.jpg"><img id="BLOGGER_PHOTO_ID_5235659358465060562" style="CURSOR: hand" alt="" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhNaG2KU6EXVydVIhlxxqA2Zt5FK1N-AjFtJkk_O8uIOz5W1-gKDZbYCdYavPhwBonuzbbu3q3NSaDOvTE9Ogi6yzShQp9ou0y7SRxNQ4vjryOqf27J_ssnHfs4Y-ZnkDsq2nzSG8KBnyJc/s400/q1.jpg" border="0" /></a><br /><br />if travelling at 40km/h, he will be 60km faster.<br />In 1hr, he is 10km/h faster<br /><br />60/10 = 6<br />6 x40= 240<br />Therefore you took 6hrs to travel 240km<br /><br />240/7 =34.28<br />The average speed should be 34.28km/h to reached the town at 12.00pmpsle-mathshttp://www.blogger.com/profile/12706744319399788493noreply@blogger.com0tag:blogger.com,1999:blog-1918653110031794265.post-88337986689586327442008-08-14T22:43:00.000-07:002008-08-14T23:00:42.431-07:002007 PSLE Math Question<span style="color:#3333ff;"></span><br /><div><span style="font-size:130%;color:#3333ff;">2007 PSLE Math Question</span><br /><br />There are some workers. They arranged chairs into short rows and long rows.<br />There are 18 short rows and 7 long rows.<br />Each long row has 16 more chairs than the short row.<br />Half of the chairs are arranged into long rows while<br />3/7 of chairs are arranged in short rows.<br />The rest of the remaining chairs are stacked in a corner.<br /><br />a) What fraction of the chairs are stacked in the corner?<br />b) How many chairs are arranged in rows?<br /><br /><br /><span style="font-family:georgia;color:#3333ff;"><strong>Solution<br /></strong></span><br />There are 7 units of chair altogether<br />(draw 7 units ) </div><br /><br /><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj0Te4sB1VUw6Vmq9AWJC3Wh8Ohb06wSRSA0vMccG-lgNv4LH3WYXFGv4PzNDLkIB2uTea0erBB6B6CynImU_hQsyQQwbrBgMdm-P2jSwOCtDfXd7OL8vRcO-sf6E8HWJvIlKyqDWyj5f4a/s1600-h/pp.jpg"><img id="BLOGGER_PHOTO_ID_5234619425528688514" style="CURSOR: hand" alt="" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj0Te4sB1VUw6Vmq9AWJC3Wh8Ohb06wSRSA0vMccG-lgNv4LH3WYXFGv4PzNDLkIB2uTea0erBB6B6CynImU_hQsyQQwbrBgMdm-P2jSwOCtDfXd7OL8vRcO-sf6E8HWJvIlKyqDWyj5f4a/s800/pp.jpg" border="0" /></a>psle-mathshttp://www.blogger.com/profile/12706744319399788493noreply@blogger.com1tag:blogger.com,1999:blog-1918653110031794265.post-89887382620405756172008-08-14T19:51:00.000-07:002008-08-14T21:28:30.015-07:00Nanyang Primary School 2007 PSLE Math Prelim<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjR-5RgTExpEkzQZS-Q2_6K_SQCCf3G6pEMYMJre0At4qZ4lWYeCh_b5xB-ob1vwHyNbaR-vYjw0xzCWkwJRd-2r8VolYDn_13Rx5AY55Q-qlkEMzZ2zO6-m8-MwZKYyMqtr4_VrPEstpqV/s1600-h/np.jpg"><img id="BLOGGER_PHOTO_ID_5234571901709115554" style="CURSOR: hand" alt="" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjR-5RgTExpEkzQZS-Q2_6K_SQCCf3G6pEMYMJre0At4qZ4lWYeCh_b5xB-ob1vwHyNbaR-vYjw0xzCWkwJRd-2r8VolYDn_13Rx5AY55Q-qlkEMzZ2zO6-m8-MwZKYyMqtr4_VrPEstpqV/s800/np.jpg" border="0" /></a>psle-mathshttp://www.blogger.com/profile/12706744319399788493noreply@blogger.com0tag:blogger.com,1999:blog-1918653110031794265.post-88902229382139198452008-08-14T19:44:00.000-07:002008-08-14T21:39:35.171-07:00Henry Park Pri Sch 2007 Prelim Q48<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjOk6Sbmg63mhBAXvdOmB2tb6q3vKPb322zjkLezUv8MrScd2BFXd5eoqDtSbsHTcNr_Si2qALktnxMNClf-_rnP1v1dQ_GJNjtrZ6RuAtZ3COXkxKIOX2DlWiGvdG9pHo3xpRubwoYSWxR/s1600-h/hps.jpg"><img id="BLOGGER_PHOTO_ID_5234569964721402514" style="CURSOR: hand" alt="" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjOk6Sbmg63mhBAXvdOmB2tb6q3vKPb322zjkLezUv8MrScd2BFXd5eoqDtSbsHTcNr_Si2qALktnxMNClf-_rnP1v1dQ_GJNjtrZ6RuAtZ3COXkxKIOX2DlWiGvdG9pHo3xpRubwoYSWxR/s800/hps.jpg" border="0" /></a>psle-mathshttp://www.blogger.com/profile/12706744319399788493noreply@blogger.com0