非常高兴和我们班的同学共同探索数学的奥秘!.ppt
小数的产生,非常高兴和我们班 的同学共同探索数学的 奥秘!,1米,1分米,= 米,=0.1米,3,7,0.7,0.3,0.03,0.06,1厘米,0.01米,把1米平均分成1000份。,米( )米( )米,( )米 ( )米,0.006,0.013,0.001米,分母是10、100、1000的分数可以用小数表示,小数的产生,和意义,1、把下面各图中涂色的部分用分数和小数表示 出来。 分数_ 分数_ 分数_ 小数_ 小数_ 小数_,0.06,0.07,0.32,括号内能填几?,0.1,0.01,0.001 ,0.6里面有( )个 ,0.32里面有( ) 0.7里面有( )个 ,0.68里面有( ), ,小数的计数单位:,6,7,32,68,小数每相邻两个单位间的进率是 。,10,下面的括号里能填几? 0.1米里面有( )0.01米; 0.01米里面有( )0.001米,10,10,0.1,0.01,0.001,10,10,0.047,0.13,0.0001,0.9,帮助小手套,找到她的好朋友!,