资料简介
①分数的意义小学数学五年级下册第四单元分数的意义和性质和静县第八小余江丽2016年4月8日
把看作“1”2个“1”是24个“1”是4
把看作单位“1”5个“1”是5
1米
把看作单位“1”···5················3·······························1····························
把看作单位“1”······()····························()····························()
把看作单位“1”1米······()······································()······································()
把看作单位“1”·······················()·······()·······················()
把看作单位“1”······()····························()·························()41
把看作单位“1”1米····()··························()···························()31
把看作单位“1”····················()······()···················()21
01单位“1”23
1/32/55/8
(1/6)(3/9)(1/3)(1/3)(1/3)
(1/2)(2/4)(4/8)
祝同学们天天进步!再见!
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