人教版小学数学课件《百分数和小数、分数的互化》.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,*,百分数和分数、小数的互化,将下面各数按从大到小的顺序排列起来,62%,0.56,0.625,1,2,53.5%,3,7,(),(),(),(),(),(),把下面百分数化成小数,97%,8%,0.5%,13.2%,=,97,100,=,0.97,=,8,100,=,0.08,=,0.5,100,=,5,1000,=,0.005,=,13.2,100,=,132,1000,=,0.132,百分数化成小数：去掉百分号，再把小数点,向左移动两位。,将下面各数按从大到小的顺序排列起来,62%,0.56,0.625,1,2,53.5%,3,7,(),(),(),(),(),(),0.625,62%,0.56,53.5%,1,2,3,7,将下面各数按从大到小的顺序排列起来,62%,0.56,0.625,1,2,53.5%,3,7,(),(),(),(),(),(),把下面小数化成百分数,0.08,0.015,=,8,100,=,8%,=,15,1000,=,1.5,100,=,1.5%,小数化成百分数：把小数点向右移动两位，,再添上百分号。,将下面各数按从大到小的顺序排列起来,62%,0.56,0.625,1,2,53.5%,3,7,(),(),(),(),(),(),0.625,62%,0.56,53.5%,1,2,3,7,将下面各数按从大到小的顺序排列起来,62%,0.56,0.625,1,2,53.5%,3,7,(),(),(),(),(),(),把下面的百分数化成分数，分数化成百分数,14%,3.5%,120%,3,5,1,6,=,14,100,=,7,50,=,3.5,100,=,=,120,100,=,6,5,=,0.6,=,60%,3,5,=,35,1000,=,7,200,3,20,5,20,=,60,100,=,60%,=,1,6,0.167,=,16.7%,将下面各数按从大到小的顺序排列起来,62%,0.56,0.625,1,2,53.5%,3,7,(),(),(),(),(),(),0.625,62%,0.56,53.5%,1,2,3,7,再 见！,