五年级数学上册六《总复习》教学课件2浙教版.pptx

总复习2,数与代数,数的运算,四则运算,减法,加法,除法,小数整数,小数小数,商的近似值,乘法,小数整数,小数小数,积的近似值,四则混合运算,1、列竖式计算。,8.75,8.7513.513.58.75,13.5,22.25,13.5,8.75,4.75,22.25,4.75,15.6,15.63.847.25.27,3.84,19.44,7.2,5.27,12.47,19.44,12.47,1、列竖式计算。,8.25,8.253.758.253.75,3.75,12.00,8.25,3.75,4.5,12.00,4.5,2、用简便方法计算。,4.742.741.68,4.74（2.741.68）9.524.953.52,21.68,0.32,9.523.524.95,64.95,1.05,17.539.12,15.831.79.128.26.433.47,8.41,1.773.47,5.24,3、计算下面各题。,104.44,10（3.750.69）32.4（14.57.6）,5.56,32.47.614.5,4014.5,25.5,4、张大伯一天卖菜的收入如下表所示。你能提出哪些数学问题？,如：黄瓜比茄子多收入多少元？,32.9518.4014.55（元）,答：黄瓜比茄子多收入14.55元。,5、说一说小数乘除法的计算方法，并在下面的空格里填数。（1）,27.26,2.726,0.2726,0.02726,（2）0.150.3（）34.20.007（）71（）1004（）0.01584150,1.5,4200,0.04,0.0084,6、计算下面各题。,9.27.21.4252302.54.610.453.1281.20.582.60.954320.260.2,66.24,35,575,47.84,15.6,47.096,2.47,128,0.052,7、数a除以数b，商不变。列式计算下表空格里的数。,9.633.2,3.23.21,1,3.25.718.24,18.24,243.27.5,7.5,3.211.436.48,36.48,8、在空格里填上得数。,6.2,62,620,17.5,175,1750,284,2840,28400,1.76,0.176,0.0176,0.38,0.038,0.0038,0.092,0.0092,0.00092,9、用四舍五入法取近似值。,10,4,10.0,4.0,10.04,4.05,3.778.1226.1461461464.9595953.071710.0102102,10、把下列各循环小数用简便形式表现出来。,3.7,.,8.12,.,6.146,.,4.95,.,3.071,.,0.0102,.,206101132.51864.8443.515452.288,11、计算下列各题，商用循环小数表示。,3.3,.,0.90,.,1.805,.,1.472,.,0.23,.,5.13863,.,12、计算下面各题。,450.9,45（2.31.4）7.20.47.20.4,50,182.88,15.12,12、计算下面各题。,8.579.98.570.1,8.579.90.857,8.57（9.90.