《人教版小學(xué)數(shù)學(xué)課件《百分?jǐn)?shù)和小數(shù)、分?jǐn)?shù)的互化》》由會(huì)員分享,可在線閱讀,更多相關(guān)《人教版小學(xué)數(shù)學(xué)課件《百分?jǐn)?shù)和小數(shù)、分?jǐn)?shù)的互化》(11頁珍藏版)》請(qǐng)?jiān)谘b配圖網(wǎng)上搜索。
1、百分?jǐn)?shù)和分?jǐn)?shù)、小數(shù)的互化百分?jǐn)?shù)和分?jǐn)?shù)、小數(shù)的互化將將下面各下面各數(shù)數(shù)按按從從大到小的大到小的順順序排列起序排列起來來62%0.560.6251253.5%37( )( )( )( )( )( )( )( )( )( )( )( ) 把下面百分把下面百分?jǐn)?shù)數(shù)化成小化成小數(shù)數(shù)97%97%8%8%0.5%0.5%13.2%13.2%=9797100100=0.970.97= =8 8100100=0.080.08= =0.50.5100100= =5 510001000= =0.0050.005= =13.213.2100100= =13213210001000= =0.1320.132百分?jǐn)?shù)化成小
2、數(shù):去掉百分號(hào),再把小數(shù)點(diǎn)百分?jǐn)?shù)化成小數(shù):去掉百分號(hào),再把小數(shù)點(diǎn) 向左移動(dòng)兩位。向左移動(dòng)兩位。將將下面各下面各數(shù)數(shù)按按從從大到小的大到小的順順序排列起序排列起來來62%0.560.6251253.5%37( )( )( )( )( )( )( )( )( )( )( )( )0.62562%0.5653.5% 1237將將下面各下面各數(shù)數(shù)按按從從大到小的大到小的順順序排列起序排列起來來62%0.560.6251253.5%37( )( )( )( )( )( )( )( )( )( )( )( ) 把下面小數(shù)化成百分?jǐn)?shù)把下面小數(shù)化成百分?jǐn)?shù)0.080.080.0150.015= =8 81001
3、00= = 8%8%=151510001000= =1.51.5100100= =1.5%1.5%小數(shù)化成百分?jǐn)?shù):把小數(shù)點(diǎn)向右移動(dòng)兩位,小數(shù)化成百分?jǐn)?shù):把小數(shù)點(diǎn)向右移動(dòng)兩位, 再添上百分號(hào)。再添上百分號(hào)。將將下面各下面各數(shù)數(shù)按按從從大到小的大到小的順順序排列起序排列起來來62%0.560.6251253.5%37( )( )( )( )( )( )( )( )( )( )( )( )0.62562%0.5653.5% 1237將將下面各下面各數(shù)數(shù)按按從從大到小的大到小的順順序排列起序排列起來來62%0.560.6251253.5%37( )( )( )( )( )( )( )( )( )( )
4、( )( ) 把下面的百分把下面的百分?jǐn)?shù)數(shù)化成分化成分?jǐn)?shù)數(shù),分,分?jǐn)?shù)數(shù)化成百分化成百分?jǐn)?shù)數(shù)14%14%3.5%3.5%120%120%3 35 51 16 6= =1414100100= =7 75050= =3.53.5100100=120120100100= =6 65 5= =0.60.6=60%60%3 35 5= =353510001000=7 72002003 320205 52020= =6060100100=60%= = 1 16 60.1670.167 = = 16.7%16.7%將將下面各下面各數(shù)數(shù)按按從從大到小的大到小的順順序排列起序排列起來來62%0.560.6251253.5%37( )( )( )( )( )( )( )( )( )( )( )( )0.62562%0.5653.5% 1237 再再 見!見!