四年级下册四则运算计算.doc

口算100题?（每天5行20道，每周重复练一次，计时并记录错题数）

380÷19=???40×100=???2020÷20=????75-75÷5=

40+360÷90=15×4×8=???77×20＝?100-13×6=

660÷60=????70×30=?????34÷17×20=600÷50=?

350+80=?25×40=???28×30=??450÷45=

300×6=?????52÷3=420÷21=??460＋280＝

14×5+8=???45-2×7=??12+12÷12=??0÷16×9=

13×6-70??280+70=???810÷27＝?450÷5÷9=

60÷12=???8×50=?1000÷20=760÷40=

100÷4×6=??12×25＝?62×3＝???0×65+5＝

6+18+84＝???98+12＝???42×1×5＝??9×5÷5×9＝

60×9=???50×90=??600÷30=???20×34=

43×2=??11×600=?13×600=75-18=

70-30=??8000-3000=???120÷3=3×900=

900÷3=??320÷3=??210×4=??25×100=

25×4＝?84÷4＝4.3÷1000=??2.5＋0.05＝?

3－1.4＝13÷100＝??120×6＝????85－58＝?

45×20＝??100×2.8＝???8×9＋8＝???7×5÷7×5＝

125×7×8＝0.5+1.5=????120÷6÷2=7×99＋7=??

5×9＋1=?10―（2.3+2.7）＝???4×（36－25）=???0.75＋0.3=

0.5+0.5=???0.5-0.5=????300－84－16=240×30＝

0.69＋1.1=??300×18=??7＋7×9=?1.3－0.8=

630÷90=6－0.37=???0×100+100=????60×0=

2.73＋0.27=???540÷270＝?400÷50=99÷33=

18×50=????470+70=????14×4=?????750÷50=

1400÷70=????6×120=???480÷40=???620-30=

四年级竖式计算160题（每天练一行4道题，标清日期写在作业本上完成）

336×25???112×52?????335×24????125×65???

36×125??116×58256×81331×25???

125×34?336×25???215×34????205×32???

31×206????37×48191×214??325×68???

336×21????245×3131×206??21×126???

302×12135×24???325×41????12×321???

21×114????17×184???31×20851×214

61×135???24×158??33×264??16×109???

33×204??25×118??302×15302×54

210×21??119×24????325×29???66×125?

180÷30????720÷30360÷30???920÷40

780÷60?432÷24???625÷23?837÷43??

850÷17780÷26???960÷40???544÷17???

898÷28