五年級(jí)數(shù)學(xué)下冊(cè)課前口算訓(xùn)練題

五年級(jí)數(shù)學(xué)下冊(cè)課前口算訓(xùn)練題第一單元中國(guó)的熱極——認(rèn)識(shí)正負(fù)數(shù)一、3.4-1.4=7.82-7.2=2.19+9.1=10.1-0.89=0.68+0.42=8.1-5.1=0.728-0.24=0.8+0.18=0.89-0.25=1-0.98=0.048+0.52=5×400=19.9+11.1=187÷1000=1+3.89=75÷10=0.96÷0.8=0.8×7=1.5×7=0.081×10=二、1.32×8=0.7×8=10.3×2=5×0.6=0.9×0.3=3.5×0.2=2.01×0=10×0.05=0.13×7=0.21×100=10.2+0.02=0.7×4=0.05×4=4×0.3=430-250=0.17+0.06=1.02-0.09=7200÷800=0.17+0.6=0.83-0.6=第二單元校園科技周——分?jǐn)?shù)的意義和性質(zhì)一、0.15+0.7=670+250=10.2+0.2=9.2-6=8500÷500=3.2-3.2=3.7+2.3=25×100=3.2-0.32=2+2.8=380-290=0.35+0.5=0.35+0.63=3500÷70=3.1+3=3.8+0.38=7500÷250=3.8+1=0.95-0.05=450+780=二、0.47+0.13=4.5+4=4-0.6=0.95+0.05=2.5+3.2=0.74+0.16=23×100=9.8-4.8=480÷40=0.53÷100=5.1+2.3=125×80=0.078÷10=0.52+0.4=70×12=在○里填上“＜”、“＞”或“＝”。41○5192○3254○5341○6153○83三、0.25×100=3.4-2.8=0.6-0.37=0.052×10=10+0.08=1-0.75=0.5×1000=0.82+0.3=13.5+6.5=3.05×100=1.2-0.8=21.6-12.6=63÷100=0.83-0.5=0.76+0.14=80÷1000=2.7+0.4=0.72-0.43=30×100=0.92-0.2=在○里填上“＜”、“＞”或“＝”。63○6585○8132○3392○932815○2813四、3.5+4.8=3.5+2.4=5+0.07=1-0.61=0.47+0.23=0.25+0.75=3.7+0.33=0.51+0.33=1-0.6=8-4.6=5.8-3.6=0.52+0.4=6.45+5.5=4.5-1.3=3.4-2.8=2.5×2=0.5×10=0.6×8=2.8×10=0.7×0.8=五、0.96-0.35=9.53-1.53=0.25+0.75=1.2-0.8=0.83-0.5=2.7+0=12.5×8=2.3×4=3.25×0=0.4×50=30×0.1=2.6×3=4.1×2=0.35×0.2=7.5×0.1=5.6+0.4=4.7+2.3=4.5×2=7.2×0.8=6×3.4=六、3.6÷24=0.8×1.1=46.7-3.8=12.8÷4=5.2÷13=1.64+4.1=10÷20=24÷15=0.35×0.6=4.7+2.3=4.5×2=6.9－2.5=7.2×0.8=6×3.4=0.62－0.32=5.6÷100=0.75÷0.25=0.125×8=4.8÷0.3=0.96÷2=4/13-1/13=4/5-2/5=9/12+3/12=7/13-3/13=14/15-10=4/15+8/15=8/12-2/12=6/13+5/13=8/10-8/10=5/14+2/14=五、7/14-1/14=3/13+8/13=4/12-2/12=4/11+5/11=13/14-9/14=4/13+5/13=2/12+9/12=3/15+10/15=14/15+1/15=6/7-6/7=8/13-5/13=1/12+1/12=4/12+2/12=1/15+1/15=7/11-1/11=7/9-3/9=12/15+2/15=3/8+1/8=4/14+8/14=7/12-2/12=六、8/12-4/12=1/10+5/10=8/15+7/15=5/14+7/14=5/8-2/8=3/11+6/11=7/13-4/13=10-6/15=11/15-8/15=7/8-7/8=7/15-6/15=3/6+1/6=10-2/12=8/9-4/9=1/14+1/14=11/12-1/12-4/12=4/15+5/15+1/15=9/10-3/10+4/10=1-3/16-7/16=七、10-6/14=9/15-3/15=14/15-8/15=4/14-4/14=10-6/12=8/13+4/13=8/9-8/9=6/15+5/15=2/11+3/11=2/13-1/13=11/13-6/13=8/14-6/14=9/12+1/12=10-4/13=4/6+2/6=1-3/7+4/7=1/7+5/7+2/7=8/13+2/13-5/13=8/9-3/9-4/9=八、9/11-6/11=4/13-3/13=1/13+7/13=3/15+7/15=3/5+1/5=5/13-4/13=13/15-9/15=10-1/14=3/12+4/12=3/4-1/4=2/11+6/11=7/9-6/9=1/6+2/6=11/15+1/15=6/15+1/15=找出下面各組數(shù)的最小公倍數(shù)8和126和1215和1018和127和8九、5/9+1/9=5/13-4/13=4/15+7/15=9/15-7/15=4/14+8/14=7/12-2/12=7/11-1/11=1/12+11/12=4/15+8/15=3/8+1/8=8/12-2/12=6/13+5/13=6/7-6/7=13/14-9/14=14/15+1/15=4/13-1/13=4/5-2/5=9/12+3/12=7/13-3/13=3/15+10/15=十、8/10-8/10=5/14+2/14=8/13-5/13=1/12+1/12=12/15+2/15=7/14-1/14=3/13+8/13=4/13+5/13=2/12+9/12=7/9-3/9=將下面分?jǐn)?shù)轉(zhuǎn)化為小數(shù)1/21/42/514/53/10第四單元走進(jìn)軍營(yíng)——方向與位置一、4/12-2/12=4/11+5/11=4/12+2/12=1/15+1/15=8/12-4/12=5/15+8/15=12/13-8/13=4/7+1/7=1/13-7/13=5/15+2/15=3/15+1/15=8/9-2/9=3/14+1/14=13/15-1/15=2/8+4/8=14/15-10=4/12+8/12=4/9+3/9=6/13-1/13=1/13+10/13=二、8/10-1/10=2/15+3/15=13/14-7/14=4/11+2/11=5/10-5/10=2/15+10/15=12/13-3/13=6/13+6/13=11/15-8/15=3/15+6/15=1/11+3/11=2/13+6/13=3/5-2/5=1/15+3/15=12/13-8/13=10/14+1/14=12/14-4/14=1/13+8/13=6/13+2/13=1/8+1/8=三、3/15+7/15=1/15+6/15=10-2/12=3/14+7/14=7/15-6/15=3/12+5/12=1/13-7/13=2/15+13/15=3/11+2/11=1/2+1/2=8/9-2/9=3/12+9/12=6/11+3/11=5/13+6/13=1/14+4/14=7/15+3/15=5/8-2/8=4/11+6/11=7/13-4/13=7/11+4/11=四、11/13-6/13=3/13+7/13=4/14+8/14=13/15-1/15=4/6+1/6=6/14+3/14=1/14+2/14=9/15-3/15=1/10+3/10=1/13+6/13=3/15+12/15=14/15-8/15=4/10+6/10=8/14-6/14=9/13+3/13=12/13-3/13=2/11+8/11=6/15+8/15=1/8+5/8=7/8-7/8=五、3/7+3/7=7/12-2/12=5/14+7/14=8/15+7/15=6/7-6/7=2/13-1/13=1/11+8/11=3/14+7/14=6/13-1/13=3/9+4/9=2/14+4/14=12/14-4/14=1/13+11/13=9/11-6/11=10/15+3/15=5/9+3/9=2/13+11/13=3/4-1/4=5/15+8/15=7/9-6/9=六、13/14-9/14=1/10+5/10=3/11+6/11=5/13-4/13=3/5+1/5=1/13+7/13=4/13-3/13=2/11+3/11=13/15-9/15=1-1/14=14/15-10/15=3/6+1/6=8/9-4/9=8/13+4/13=1/11+8/11=9/12+1/12=3/14+7/14=4/6+2/6=3/5-2/5=6/15+1/15=第五單元關(guān)注污染----分?jǐn)?shù)的加減法一、12/13-8/13=8/9-2/9=14/15-10/15=11/13-7/13=8/10-1/10=13/14-7/14=5/9+1/9=5/13-4/13=4/13-1/13=4/5-2/5=9/12+3/12=7/13-3/13=1/12+11/12=4/15+8/15=8/12-2/12=6/13+5/13=8/10-8/10=5/14+2/14=4/15+7/15=9/15-7/15=二、7/12-2/12=7/11-1/11=6/7-6/7=13/14-9/14=7/14-1/14=3/13+8/13=4/12-2/12=4/11+5/11=4/13+5/13=2/12+9/12=3/15+10/15=14/15+1/15=8/13-5/13=1/12+1/12=4/12+2/12=1/15+1/15=7/9-3/9=12/15+2/15=3/8+1/8=4/14+8/14=三、8/12-4/12=1/10+5/10=8/15+7/15=5/14+7/14=3/11+6/11=7/13-4/13=1-6/15=11/15-8/15=7/15-6/15=3/6+1/6=1-2/12=8/9-4/9=1-6/12=1/14+1/14=7/8-7/8=5/8-2/8=1-6/14=9/15-3/15=四、8/13+4/13=8/9-8/9=6/15+5/15=2/11+3/11=11/13-6/13=8/14-6/14=9/12+1/12=1-4/13=12/14-4/14=1/11+8/11=3/14+7/14=2/13-1/13=3/5+1/5=6/13-1/13=3/4-1/4=4/6+2/6=6/15+1/15=3/15+7/15=13/15-1/15=5/10-5/10=五、3/5+1/5=9/11-6/11=4/13-3/13=1/13+7/13=5/13-4/13=13/15-9/15=1-1/14=3/12+4/12=2/11+6/11=7/9-6/9=1/6+2/6=11/15+1/15=2/14+4/14=1/13+11/13=10/15+3/15=12/13-3/13=5/9+3/9=3/5-2/5=2/13+11/13=5/15+8/15=第六單元愛(ài)護(hù)眼睛----統(tǒng)計(jì)一、17×40＝100－63＝3.2＋1.68＝2.8×0.4＝14－7.4＝0.32×500＝0.65＋4.35＝7/15-6/15=3/6+1/6=10-2/12=8/9-4/9=0.75÷15＝0.4×0.8＝4×0.25＝0.36＋1.54＝1.01×100＝420÷30＝25×8＝135÷5＝19.2÷0.04=二、1-6/12=1/14+1/14=7/8-7/8=5/8-2/8=4.9×7＝1÷5＝6÷12＝0.87－0.49＝1.07×2＝40×5.5＝8.1÷0.3＝1.25×8＝0.35÷7＝0.75÷25＝3.76+0.9＝4.8÷8＝1.8×0.5＝2×34＝三、60÷12＝84÷12＝6×24＝76÷2＝61×4＝51÷13＝80÷40＝41×3＝78÷6＝27×3＝18×2＝74×5＝30÷5＝45×3＝75÷5＝1/12+11/12=4/15+8/15=四、23×3＝42÷6＝15×8＝63÷9＝150×5＝14×3＝42÷7＝68×5＝6/15+1/15=3/15+7/15=0.05×4=4×0.3=13/15-1/15=5/10-5/10=0.7×4=430-250=0.14+0.06=1.02-0.09=7200÷800=0.17+0.6=第七單元包裝盒---長(zhǎng)方體和正方體一、0.83-0.6=17×300=0.98-0.08=0.2+0.78=600×700=10.2+0.02=0.15+0.7=670+230=10.2+0.2=9.2-6=8500÷500=3.2-3.2=3.7+2.3=25×100=3.2-0.32=2+2.8=380-290=0.35+0.5=0.35+0.65=3500÷70=二、3.1+3=3.8+0.18=7500÷250=3.8+1=0.95-0.05=450+780=3.1+0.3=3+0.3=630÷9=4.5-0.4=9.5-5=330×9=9.53-1.53=9.5-0.5=3.5+2.4=1-0.95=0.3+0.27=0.47+0.13=1.25×8=0.05×4=三、0.95+0.05=2.5×4=0.74+0.16=23×100=9.8-4.8=480÷40=0.53÷100=5.1+2.3=125×80=0.078÷10=0.52+0.4=70×12=0.25×100=3.4-2.8=0.6-0.37=0.052×10=10+0.08=1-0.75=0.5×1000=0.82+0.3=四、13.5+6.5=3.05×100=1.2-0.8=21.6-12.6=63÷100=0.83-0.5=0.76+0.14=80÷1000=2.7+0.4=0.72-0.42=30×100=0.92-0.2=3.5+4.8=3.5+2.4=5+0.07=1-0.61=7/9-3/9=12/15+2/15=3/8+1/8=4/14+8/14=五、5.6÷1.4＝0.48÷0.8＝4.4÷11＝4.2×3＝3.2×0.4＝0.3÷0.01＝4÷0.5＝5.1÷0.17＝0.28÷1.4＝0.9÷0.45＝9.6÷16＝1÷0.01＝0.01÷1＝7.5÷5＝0.81÷9＝3÷0.5＝10÷25＝4.8÷0.16＝0÷3.89＝3.52÷1＝六、1.2-0.8=0.83-0.5=2.7×0.3=12.5×8=2.3×4=3.25×0=0.4×50=30×0.1=2.6×3=4.1×2=0.35×0.2=7.5×0.1=2.5×2=0.5×10=0.6×8=2.8×10=0.7×0.8=5.6+0.4=4.7+2.3=4.5×2=七、7.2×0.8=6×3.4=0.62-0.32=0.75×100=0.02×0.5=3.6×0.3=5.6×100=0.75÷0.25=0.125×8=0.86÷2=0.56÷28=0.36÷0.4=0.7×9=3.6÷12=0.8×1.1=46.7-3.7=12.8÷4=5.2÷13=1.64+4.1=10÷20=八、24÷1.2=0.35×0.6=4.7+2.3=4.5×2=6.9－2.5=7.2×0.8=6×3.4=0.62－0.32=1.4×0.5=0.75×100=0.02×0.5=3.6÷0.3=6.3÷7=5.6÷100=0.75÷0.25=0.125×8=4.8÷0.3=0.96÷2=0.56÷28=0.36÷0.4=九、0.64÷0.8=0.72÷3.6=4.8÷24=0.8×1.1=7.2+12.8=66.7－3.7=12.8÷4=5.2÷13=12.5÷5=1.64÷4=10÷20=24÷1.2=8.65×10=0.35×0.6=3.08×0.01=4.95×1000=6.9×0.1=0.4×0.5=2.4÷0.8=10.8÷9=十、9.6÷0.8=0.108÷2=4.9÷0.7=9.65÷0.1=0.325×100=2.5×8=0.56÷0.7=0.125×4=3.28×0.1=3.9÷0.13=7.2×0.1=0.01×0.1=0.25×0.4=1.6÷0.8=1÷2.5=1.25×0.8=3.2÷0.04=0÷1.7=0.22×100=9÷0.03=第八單元下跳棋----可能性一、8/10-1/10=13/14-7/14=5/9+1/9=5/13-4/13=7/14-1/14=3/13+8/13=4/12-2/12=4/11+5/11=4/13+5/13=2/12+9/12=3/15+10/15=14/15+1/15=8/13-5/13=4/15+8/15=8/12-2/12=6/13+5/13=8/10-8/10=5/14+2/14=4/15+7/15=9/15-7/15=二、2/11+6/11=7/9-6/9=1/6+1/6+2/6=11/15+1/15=5/9+3/9=3/5-2/5=2/13+11/13=5/15+8/15=12/13-8/13=8/9-2/9=14/15-10/15=11/13-7/13=3/5+1/5=6/13-1/13=3/4-1/4=4/6+2/6=6/15+1/15=3/15+7/15=13/15-1/15=5/10-5/10=數(shù)學(xué)與生活一、39×4=51×9=77×7=123×3=304×5=106×10=178×3=78×9=1.12×6=3.52×100=3.5×8=0.87×4=160×3=24×7=3.7×8=1.25×8=78×9=250×0.4=24×5=37×8=二、1.4×5=8.5×4=0.25×8=5.78×2=78×2=245×0=306×10×0=13.2×6=3.5×1000=310×4=1.52×6=125×0.8=302×783×0=260×8=5.7×9=3875×0=1.854×100=930×4=2800×4=134×3=回顧整理----總復(fù)習(xí)一、1.8×5=7.2÷0