学生回答后，教师用顺口溜帮助学生进行记忆：大数在前用大于，小数在前用小于，相同数间用等于;大大嘴巴朝大数，尖尖嘴巴朝小数三、练习与拓展1练习使用“<”“>”师：其他的动物比较的结果怎样小朋友们能不能自己完成请同桌交流：说一说几大于几几小于几课件逐一出示2再次体验：开口朝大数，尖尖朝小数观察这些算式，用大于号和小于号时你发现了什么教师引导学生编顺口溜：“大口朝大数，尖尖朝小数，大口朝左大于号，大口朝右小于号，两边相同用等号”)(1)揭题：我们今天认识了“>”、“<”，“=”这三个好朋友(出示课题)(2)课件出示书P18“做一做”第1题(3)左图：两边各有几只灯笼，谁多谁少，几大于几(4)右图：两边各有几只猴子，谁多谁少，几小于几
Play the cassette tapeAsk some Ss to act it and the rest to judge right or wrong4Play a game:’Simon says’Post-task1Divide the class into groups of threePractise giving and doing the commands,substituting with other body parts2Select groups to say and act the modified commands to the classMime and copy
主治：寒湿shī气qì滞zhì，胸闷不bù畅，脘腹胀zhàng满mǎn，呕ǒu吐呃逆，消xiāo化不bù良临lín床应用yòng：1、治胃寒痛呕ǒu吐，唇舌淡白bái，口泛清涎，食shí欲不bù振（相xiāng当于yú某些类lèi型xíng急性胃炎，溃疡病bìng），可用yòng豆dòu蔻kòu6g，配、、、各gè6g水煎jiān服fú，有散寒、止痛、止呕ǒu作zuò用yòng2、治虚xū寒久泻xiè（慢màn性痢疾、慢màn性结jié肠炎）用yòng煨草寇，煨等，方如草豆dòu蔻kòu汤tāng用yòng量：3~6g，入丸散剂服fú较jiào好处方举例：草豆dòu蔻kòu汤tāng：煨豆dòu蔻kòu3g，煨3g，煨诃hē子zi2
Students are divided into five groups to search for and sorted out the related information according to the assigned task online(2)A representative of each group is to share the information with the others2the Purpose of ActivitiesStudents will develop their ability to effectively sort out information on the Internet throug h group cooperation as well as feel a sense of achievement by their oral presentation
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