文档介绍：分数的意义
分数的意义
沙湾联合小学张学显
把看成“1”
2个“1”是2
4个“1”是4
把看着单位“1”
5个“1”是5
把看着单位“1”
6个“1”是6
1米
单位“1”
一个物体
一个计量单位
一些物体
把看着单位“1”
··· 5
················ 3
···························· 1
·························
把看着单位“1”
······( )
····························( )
····························( )
把看着单位“1”
1米
······( )
······························( )
······························( )
把看着单位“1”
··················( )
···( )
···················( )