沪教版数学二年级下册《千以内数的认识与表达》ppt课件之三

(共11张PPT)
沪教版二年级数学下册
千以内数的认识与表达
学习目标：
1. 认识千以内的数。
2. 能够熟练正确地读、写千以内各数。
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数点子比赛
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数点子比赛
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数点子比赛
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10里面有( )个1;
100里面有( )个10;
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10
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中国第一高楼 上海金茂大厦 高421米
选择你喜欢的一种学具在数位表上摆出421
421是由4个百、2个十和1个一组成的。
提示二:
在我们遇到困难或敌人时也可以拨打这个数
提示一:
它的价格与世界冠军刘翔有关
提示一:
它的价格是一个三位数
每一位数上数字相同
提示二:
它的价格是一个最大的三位数
三桶花生米一共600粒,每桶大约多少粒