苏教版一年级数学上册第7单元分与合第4课时10的分与合1.课件.ppt
单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,10,的分与合,SJ,一年级上册,七 分与合,凑十歌,一加九,十只小蝌蚪,二加八,十只花老鸭,三加七,十只老母鸡,四加六,十只金丝猴,五加五,十只大老虎。,课后作业,探索新知,当堂检测,课堂小结,10,的分与合,1,课堂探究点,2,课时流程,10,10,10,10,1,9,2,8,3,7,4,6,10,5,5,探究点,10,的分与合,1.,哪两个数合起来是,10,?,小试牛刀,(教材,P41,想想做做),2.,7,是,3,的好朋友,!,3.,10,8,2,7,9,6,5,2,4,3,1,3,1,4,5,8,6,7,9,小试牛刀,(选题源于,典中点,),一看图填一填。,1,9,2,8,3,7,4,6,5,5,二哪两盘合起来是,10,个苹果?连一连。,三想一想,填一填。,3,8,6,10,8,7,5,6,3,4,2,1,10,的分与合各有,9,种:,10,可以分成,1,和,9,,,9,和,1,,,2,和,8,,,8,和,2,,,3,和,7,,,7,和,3,,,6,和,4,,,4,和,6,,,5,和,5,;,1,和,9,,,9,和,1,,,2,和,8,,,8,和,2,,,3,和,7,,,7,和,3,,,6,和,4,,,4,和,6,,,5,和,5,合成,10,。,归纳总结:,(讲解源于,点拨,),夯实基础,(,教材,P42,练习四,),2,.,略,4,.,10,8,10,3,8,9,5,9,4,5,.,略,易错辨析,(选题源于,典中点,),四给每只熊猫分一根竹子,该挑下面的哪两堆?在合适的答案下面画“”,辨析:,10,的合成运用不熟练,,10,可以分成,4,和,6,,所以选后面两个。,Thank you!,
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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,10,的分与合,SJ,一年级上册,七 分与合,凑十歌,一加九,十只小蝌蚪,二加八,十只花老鸭,三加七,十只老母鸡,四加六,十只金丝猴,五加五,十只大老虎。,课后作业,探索新知,当堂检测,课堂小结,10,的分与合,1,课堂探究点,2,课时流程,10,10,10,10,1,9,2,8,3,7,4,6,10,5,5,探究点,10,的分与合,1.,哪两个数合起来是,10,?,小试牛刀,(教材,P41,想想做做),2.,7,是,3,的好朋友,!,3.,10,8,2,7,9,6,5,2,4,3,1,3,1,4,5,8,6,7,9,小试牛刀,(选题源于,典中点,),一看图填一填。,1,9,2,8,3,7,4,6,5,5,二哪两盘合起来是,10,个苹果?连一连。,三想一想,填一填。,3,8,6,10,8,7,5,6,3,4,2,1,10,的分与合各有,9,种:,10,可以分成,1,和,9,,,9,和,1,,,2,和,8,,,8,和,2,,,3,和,7,,,7,和,3,,,6,和,4,,,4,和,6,,,5,和,5,;,1,和,9,,,9,和,1,,,2,和,8,,,8,和,2,,,3,和,7,,,7,和,3,,,6,和,4,,,4,和,6,,,5,和,5,合成,10,。,归纳总结:,(讲解源于,点拨,),夯实基础,(,教材,P42,练习四,),2,.,略,4,.,10,8,10,3,8,9,5,9,4,5,.,略,易错辨析,(选题源于,典中点,),四给每只熊猫分一根竹子,该挑下面的哪两堆?在合适的答案下面画“”,辨析:,10,的合成运用不熟练,,10,可以分成,4,和,6,,所以选后面两个。,Thank you!,
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