蘇教版六年級(jí)數(shù)學(xué)上冊(cè)課件稍復(fù)雜的分?jǐn)?shù)乘法實(shí)際問(wèn)題.ppt

1、稍復(fù)雜的分?jǐn)?shù)乘法實(shí)際問(wèn)題,1,2020/10/10,稍復(fù)雜的分?jǐn)?shù)乘法 實(shí)際問(wèn)題（一）,稍復(fù)雜的分?jǐn)?shù)乘法實(shí)際問(wèn)題,2,2020/10/10,1、找出單位“1”，說(shuō)出數(shù)量關(guān)系。,稍復(fù)雜的分?jǐn)?shù)乘法實(shí)際問(wèn)題,3,2020/10/10,1、找出單位“1”，說(shuō)出數(shù)量關(guān)系。,稍復(fù)雜的分?jǐn)?shù)乘法實(shí)際問(wèn)題,4,2020/10/10,1、找出單位“1”，說(shuō)出數(shù)量關(guān)系。,稍復(fù)雜的分?jǐn)?shù)乘法實(shí)際問(wèn)題,5,2020/10/10,答：男生有25人。,= 25（人）,男生有多少人？,稍復(fù)雜的分?jǐn)?shù)乘法實(shí)際問(wèn)題,6,2020/10/10,分?jǐn)?shù)乘法的實(shí)際問(wèn)題,稍復(fù)雜的分?jǐn)?shù)乘法實(shí)際問(wèn)題,7,2020/10/10,稍復(fù)雜的分?jǐn)?shù)乘法實(shí)際問(wèn)

2、題,8,2020/10/10,稍復(fù)雜的分?jǐn)?shù)乘法實(shí)際問(wèn)題,9,2020/10/10,稍復(fù)雜的分?jǐn)?shù)乘法實(shí)際問(wèn)題,10,2020/10/10,（一步計(jì)算）,（兩步計(jì)算）,稍復(fù)雜的分?jǐn)?shù)乘法實(shí)際問(wèn)題,11,2020/10/10,稍復(fù)雜的分?jǐn)?shù)乘法實(shí)際問(wèn)題,稍復(fù)雜的分?jǐn)?shù)乘法實(shí)際問(wèn)題,12,2020/10/10,先說(shuō)一說(shuō)可以怎樣想，再解答。,稍復(fù)雜的分?jǐn)?shù)乘法實(shí)際問(wèn)題,13,2020/10/10,稍復(fù)雜的分?jǐn)?shù)乘法實(shí)際問(wèn)題,14,2020/10/10,稍復(fù)雜的分?jǐn)?shù)乘法實(shí)際問(wèn)題,15,2020/10/10,稍復(fù)雜的分?jǐn)?shù)乘法實(shí)際問(wèn)題,16,2020/10/10,答：黑兔有16只。,28 16（只）,稍復(fù)雜的分?jǐn)?shù)乘法實(shí)

3、際問(wèn)題,17,2020/10/10,1、一桶油漆重8千克， 用去 , 還剩多少千克？,用去,稍復(fù)雜的分?jǐn)?shù)乘法實(shí)際問(wèn)題,18,2020/10/10,88 ,=8,= (千克),答：還剩 千克。,8 (1 ),8 ,1 6, (千克),稍復(fù)雜的分?jǐn)?shù)乘法實(shí)際問(wèn)題,19,2020/10/10,稍復(fù)雜的分?jǐn)?shù)乘法實(shí)際問(wèn)題,20,2020/10/10,= (噸), ,= ,稍復(fù)雜的分?jǐn)?shù)乘法實(shí)際問(wèn)題,21,2020/10/10,3、對(duì)比練習(xí)： 一根跳繩長(zhǎng)2米， （1）截去了 ，還剩多少米？ （2）截去了 米，還剩多少米？,稍復(fù)雜的分?jǐn)?shù)乘法實(shí)際問(wèn)題,22,2020/10/10,4、看算式補(bǔ)充問(wèn)題： 六（2）班學(xué)生今年共做好事400件，其中男生做了 。 ？400 ？400（1- ）,稍復(fù)雜的分?jǐn)?shù)乘法實(shí)際問(wèn)題,23,2020/10/10,建筑隊(duì)有黃沙720噸，第一次用 去 ， 第二次用去