《升和毫升》(认识升和毫升)教学课件

认识升和毫升冀教版数学四年级上册第一单元1、在实际操作活动中了解容量的概念，认识“升”和“毫升”，会用字母表示“升”和“毫升”。2、认识测量工具量杯和量筒，会读量杯和量筒上的刻度。3、在实验活动中获得愉快的学习体验和数学活动经验。教学目标哪个杯子盛水最多，哪个杯子盛水最少？比一比：下面两个杯子哪个盛水多？ab方法一1.把b杯子装满水，倒入a杯子中……2.把两个杯子都装满水，分别倒进两个一样大的杯子里。方法二结论：a杯子盛水多。两个杯子大小不同，盛水的多少也不同，杯子容纳水的多少，就是杯子的容量。比一比：下面哪个瓶子装的饮料多？说一说可以怎样测量？ab除了把两瓶饮料分别倒进两个一样大的杯子里之外，想一想，还有什么方法？认识量筒和量杯。量筒和量杯有什么区别？区别：量筒口径上下均匀，所以刻度均匀；量杯口径下小上大，所以刻度下疏上密。认识升和毫升。计量液体，如汽油、饮料、药水等，用升和毫升作单位。升用字母“L”表示，毫升用字母“mL”表示。把两个瓶子中的饮料分别倒入同样的量杯中量一量。a瓶饮料多b瓶饮料少归纳总结1.容器中所能容纳液体的多少，就是容器的容量。2.计量液体的多少，用升和毫升作单位。升用字母“L”表示，毫升用字母“mL”表示。试一试测量自己水杯的容量，算一算每天应该喝大约几杯水。练一练1.怎样使两个瓶子里的水同样多？2.读一读。3.看图填空。4.用自己的水杯测量家中四件不同容器的容量。科学研究表明，为了维持人体的需要，除了侦察过的饮食外，一个人每天应该饮水大约1400毫升。shop.99114.com/50513305shop.99114.com/50662881shop.99114.com/50665133shop.99114.com/50653799shop.99114.com/50659034shop.99114.com/50666877shop.99114.com/50654456shop.99114.com/50656905shop.99114.com/50823560shop.99114.com/50658603shop.99114.com/50664977shop.99114.com/50489520shop.99114.com/50294049shop.99114.com/50508111shop.99114.com/50578361shop.99114.com/50661888shop.99114.com/50637656shop.99114.com/50670631shop.99114.com/50497599shop.99114.com/50626129shop.99114.com/50665651shop.99114.com/50662632shop.99114.com/50477386shop.99114.com/42298014shop.99114.com/50523857shop.99114.com/50664627shop.99114.com/50672524shop.99114.com/50667797shop.99114.com/50601952shop.99114.com/50628845shop.99114.com/50639356shop.99114.com/50672506shop.99114.com/50639813shop.99114.com/50587461shop.99114.com/50532719shop.99114.com/50657075shop.99114.com/50659646shop.99114.com/50674761shop.99114.com/50801644shop.99114.com/50648576shop.99114.com/49705090shop.99114.com/50658375shop.99114.com/50658371shop.99114.com/50655033shop.99114.com/50812991shop.99114.com/50665062shop.99114.com/50512368shop.99114.com/50672963shop.99114.com/50578366shop.99114.com/50813319shop.99114.com/50512732shop.99114.com/50647121shop.99114.com/50496910shop.99114.com/50498308shop.99114.com/50607676shop.99114.com/49774619shop.99114.com/50627706shop.99114.com/50504137shop.99114.com/50657306shop.99114.com/50658513shop.99114.com/50601573shop.99114.com/50663825shop.99114.com/50668711shop.99114.com/50668282shop.99114.com/50647141shop.99114.com/50658067shop.99114.com/50608239shop.99114.com/47837371shop.99114.com/50672083shop.99114.com/49738967shop.99114.com/50531571shop.99114.com/50532520shop.99114.com/50627794shop.99114.com/50661869shop.99114.com/50627108shop.99114.com/50616209shop.99114.com/43745948shop.99114.com/50646609shop.99114.com/50673033shop.99114.com/50630021shop.99114.com/48538409shop.99114.com/48973678shop.99114.com/50635871shop.99114.com/50655568shop.99114.com/50471837shop.99114.com/50517176shop.99114.com/50655636shop.99114.com/50627744shop.99114.com/50466876shop.99114.com/49241402shop.99114.com/50616104shop.99114.com/50666466shop.99114.com/47861494shop.99114.com/50666529shop.99114.com/47448328shop.99114.com/47784055shop.99114.com/47869049shop.99114.com/47903718shop.99114.com/50671964shop.99114.com/48919163