四年级创新-计算小超市练习-每日一练【1】

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计算能力是数学学习中一项基本能力,是学好数学和其他学科的重要基础。

扎实的计算可以提升孩子的专注力及数学学习的自信心,同时计算贯穿数学学习的全过程。

“天下武功,唯快不破!”计算同样追求一个“快”字!计算速度的提升,能够大大缩短孩子的解题时间,当然,只求“快”是万万不够的,算的快却总出错,没有任何意义,唯有又快又准,才能问鼎计算高峰!回想这些年你做错过的计算题,为什么错呢?大量的回答可以归结为两点:1.粗心!粗心!太粗心了!抄错数、看串行、忘了进退位,点错了小数点……明明会算的偏偏算错,根本原因在于——注意力不集中!关于专注力的训练网上有很多经验贴,这里推荐“舒尔特表”,“舒尔特表”可以通过动态的练习锻炼视神经末梢,培养注意力的集中、分配、控制能力。

2.基本功不扎实呗!说白了,就是没能很好的掌握计算方法和技巧!乘除法竖式怎么列?积与商怎么对位?四则混合运算先算什么后算什么?方程到底怎么解?特别是以后学习了分数计算,需要学会的方法和技巧就更多了!计算方法,也是计算的基本功。

除了在学习之初就要理解透彻之外,还要坚持不断的练习与巩固,一是避免遗忘,二是增加熟练度,俗话说“熟能生巧”,练得多了,方法自然就领悟了。

计算技巧,指的就是我们在课堂上学习过的各种巧算技巧。

复杂的计算题,通过巧算可以变得无比简单,不仅降低了计算量,提高了准确率,还能提高计算速度,可谓一举多得!获得 口算称号用时:收获了:个3脱式计算2竖式1口算7620+837=7129+397=1312-208=3553-854=0.915+1.38=97.8+4.11=0.993-0.57=0.843-0.41=975×6=780×2=975÷3=990÷9=723.7×4.31=58.68×6.49=21.08×9.73=80.85÷0.77=90.75÷7.5=78.72÷8.2=(64×97+23)÷67=(799-303)×48+191=7.9-(6.6-4.4)+0.35=3.8+(9.8+0.51)×8.9=获得 口算 称号用时:收获了:个3脱式计算2竖式1口算 8903+989=1172+416=5811-773=9730-725=0.349+5.17=0.994+0.904=92.9-1.6=0.471-0.29=834×4=712×8=536÷8=510÷2=63.51×40.3=47.31×3.33=20.72×1.77=14.82÷0.13=21.83÷0.37=52.14÷0.11=641+729-656+284=(635-260)×63+881=(0.32-0.19)×0.48+3.3=(0.87-0.27)×8.4+0.77=获得 口算 称号用时:收获了:个3脱式计算2竖式1口算 7033+581=7173+959=6649-837=2700-776=0.294+45.1=13.6+0.472=0.402-0.11=9.46-6.9=896×8=129×6=288÷8=948÷6=695.2×92.4=916.8×62.6=293.8×44.3=61.32÷0.42=95.46÷7.4=85.84÷7.4=46×43+49×44=19×52+36×11=(9.7-0.82)×0.29+0.64=3.3+8.1-(0.34+8.1)=获得 口算 称号用时:收获了:个3脱式计算2竖式1口算 1236+521=3190+927=7442-539=1702-577=6.96+19.8=5.58+37.8=7.59-0.52=8.85-2.9=267×2=230×5=507÷3=336÷4=847.7×40.6=333.7×56.1=49.53×7.19=62.37÷0.77=32.66÷4.6=22.82÷1.4=(765-237)×30+188=3496+(196+696)×39=10.36-0.44-(11.7-9.9)=(0.43-0.17)×2.8+0.88=获得 口算 称号用时:收获了:个3脱式计算2竖式1口算 8528+388=7684+698=3602-403=9177-129=0.722+2.91=0.198+38.3=0.549-0.36=7.506-7.3=590×5=313×8=186÷6=444÷3=69.47×2.55=172.1×54.5=42.48×76.4=19.14÷2.9=27.59÷3.1=31.82÷0.37=99×49+37×32=964+300-(456-302)=(9.5-0.99)×0.61+0.16=(0.96-0.46)×0.76+7.8=获得 口算 称号用时:收获了:个3脱式计算2竖式1口算 5711+427=4912+718=3041-981=9781-360=0.409+0.816=50.8+56.7=1.274-0.79= 6.11-0.29=896×5=185×6=890÷5=498÷6=26.53×35.5=915.3×68.3=825.5×6.33=26.39÷9.1=51.85÷0.85=73.35÷4.5=6461+538-(2477+652)=9095+808-(5724+887)=6.1-0.69-(4.6-0.71)=8.7-0.95-(6.63-2.7)=获得 口算 称号用时:收获了:个3脱式计算2竖式1口算 3256+336=8595+457=1941-274=4267-887=6.33+8.99=34.5+87.3=10.03-8.8=4.35-0.16=368×3=369×2=504÷9=135÷9=204.3×7.89=83.69×88.4=24.63×7.19=13.16÷9.4=48.78÷1.8=30.13÷0.23=8692+(787+410)×40=1339+940-(1450-714)=10.78-0.95-(10.67-7.2)=0.35+(0.97+0.24)×0.58=获得 口算 称号用时:收获了:个3脱式计算2竖式1口算 2209+117=2125+300=5042-581=9913-745=9.81+0.963=0.912+25.1=41.4-0.37=1.73-0.88=132×8=158×4=968÷4=906÷3=65.94×4.26=96.21×4.81=608.1×1.09=20.25÷0.45=41.87÷5.3=70.97÷4.7=8987+(171+514)×42=(95×58+58)÷96=(0.95×9.9-1.505)÷0.79=20.28-0.79-(13.5-9.5)=练习获得 口算 称号用时:收获了:个3脱式计算2竖式1口算98911+597=3695+907=8148-798=6390-601=0.365+5.37=77.2+0.187=81.7-0.58=43.3-7.5=474×8=846×3=483÷7=992÷4=53.28×6.48=66.46×1.59=37.94×1.65=51.72÷1.2=96.03÷9.9=63.18÷0.26=5940-2859-(1216-454)=92×90+85×14=(0.43-0.31)×0.24+6.3=(5.7-0.64)×0.28+0.72=获得 口算 称号用时:收获了:个3脱式计算2竖式1口算 2373+156=4034+501=7818-217=9113-298=0.444+2.58=3.89+5.18=0.975-0.72=8.71-3.7=813×6=298×4=666÷9=684÷9=81.84×53.1=864.9×5.34=73.44×9.77=51.84÷8.1=90.86÷2.2=11.64÷9.7=(867-853)×32+298=6104+(998+944)×80=0.29×9.4+7.3×0.87=(8.8-5.3)×9.3+0.66=获得 口算 称号用时:收获了:个3脱式计算2竖式1口算8655+133=7126+614=7211-906=3401-161=3.88+49.2=0.718+6.19=5.43-0.43=7.319-6.5=290×9=671×3=120÷4=175÷5=94.14×62.3=53.34×40.3=965.9×34.3=84.32÷0.34=98.56÷2.8=47.31÷8.3=5492+704-(2808+394)=(25×11-23)÷63=(7.7-0.24)×9.5+0.14=1.8+0.33-(0.65+0.28)=获得 口算 称号用时:收获了:个3脱式计算2竖式1口算 3360+134=7138+125=5499-532=3506-631=35.9+6.04=1.17+78.8=2.674-2.4=1.067-0.99=218×8=767×7=976÷8=534÷3=70.28×95.2=193.2×5.65=576.7×5.33=54.72÷3.8=15.86÷0.61=92.12÷0.98=(799-278)×10+507=(76×94+32)÷39=7.8×5.6+2.3×1.7=5.6+1.3-(0.74+5.4)=获得 口算 称号用时:收获了:个3脱式计算2竖式1口算 4396+533=8160+722=8648-561=8695-518=3.36+5.84=22.3+0.936=4.74-0.65=6.47-4.3=234×8=310×5=180÷5=608÷4=689.6×7.33=339.9×37.7=63.39×33.9=60.03÷8.7=51.15÷0.31=93.44÷6.4=(952-496)×55+730=6302+(771-651)×86=20.58+1.5-(14.9-9.2)=4.3+5.3-(6.5-4.4)=获得 口算 称号用时:收获了:个3脱式计算2竖式1口算 1141+777=5544+749=7849-342=2742-157=0.487+5.91=3.55+0.204=3.527-2.6=6.02-4.4=203×8=409×2=420÷6=508÷4=31.47×3.45=943.1×98.6=42.34×7.89=86.25÷0.75=65.34÷2.7=18.63÷0.81=3007+(456+579)×75=8911+(599+509)×35=0.98×0.52+0.28×0.13=0.51-(1.82-0.99)+7.7=获得 口算 称号用时:收获了:个3脱式计算2竖式1口算2857+875=6920+191=6224-967=8603-777=73.3+51.2=0.476+0.355=24.8-0.85=78.7-2.3=761×4=222×8=441÷3=978÷6=340.8×4.32=434.4×37.3=98.94×9.42=19.78÷8.6=12.81÷6.1=88.35÷9.5=896+192-903+581=26×28+63×63=(2.9-2.7)×0.25+1.7=0.22+(9.7+0.13)×0.13=获得 口算 称号用时:收获了:个3脱式计算2竖式1口算 5965+970=6655+392=5689-878=9946-854=0.417+70.5=0.634+0.499=1.539-0.82=13.63-8.5=418×4=270×5=852÷4=576÷8=23.85×35.7=26.32×3.46=357.2×32.7=61.38÷0.99=70.07÷7.7=83.16÷6.6=(835-292)×82+668=2688+(351+698)×88=(9.9-4.4)×6.5+4.3=0.28×0.85+5.4×9.1=获得 口算 称号用时:收获了:个3脱式计算2竖式1口算 5806+998=9122+113=8024-536=4511-840=88.9+8.83=8.34+0.187=10.074-9.7=5.26-0.23=815×4=288×4=855÷9=364÷7=36.23×12.9=54.78×4.42=723.6×78.5=28.52÷6.2=52.02÷5.1=61.32÷0.42=20×46+70×58=2560+842-(2198+508)=3.7×6.6+3.9×0.56=4.6+(3.9+0.29)×4.2=获得 口算 称号用时:收获了:个3脱式计算2竖式1口算 9449+670=9367+156=3762-954=1093-251=7.78+0.569=0.737+0.969=0.351-0.21=14.43-8.6=591×3=284×9=448÷8=882÷7=419.2×9.99=48.23×22.3=63.81×50.3=44.16÷4.6=84.11÷0.13=49.59÷0.29=35×87+69×35=7742+(680+320)×93=2.1+9.7-(9.2-4.5)=3.9×0.94+0.91×4.2=获得 口算 称号用时:收获了:个3脱式计算2竖式1口算 8893+694=3501+691=6808-907=8941-401=0.488+8.85=9.32+33.8=7.85-4.3=44.1-0.66=549×3=143×4=798÷6=676÷2=164.4×3.57=316.3×11.2=91.53×1.88=31.02÷4.7=70.56÷0.42=31.64÷0.14=32+(786+44)×96=39×78+82×82=1.2+(0.81+0.54)×4.2=7.2+7.4-(2.1+7.7)=获得 口算 称号用时:收获了:个3脱式计算2竖式1口算 2702+163=1340+377=5641-454=9956-495=0.238+17.5=0.464+73.1=4.716-4.4=1.647-0.91=520×2=808×8=272÷4=116÷4=36.33×28.4=273.5×4.67=922.7×4.07=14.91÷2.1=78.85÷0.95=85.41÷7.3=(700-203)×47+443=2326+(150+626)×38=9.1+5.2-(3.95-1.9)=0.22+(0.39+4.1)×0.41=获得 口算 称号用时:收获了:个3脱式计算2竖式1口算1463+430=6263+995=4916-726=1148-237=90.1+61.4=9.17+46.2=4.499-3.6=8.017-7.8=448×9=194×6=468÷3=906÷3=496.7×28.5=34.27×7.74=650.6×16.4=97.02÷6.6=12.04÷0.86=30.66÷4.2=83×31+12×37=(11×55+61)÷74=(0.79×0.91+0.1811)÷0.15=0.83+(8.5+0.87)×0.11=获得 口算 称号用时:收获了:个3脱式计算2竖式1口算 7525+905=7911+286=1389-238=7464-215=2.95+18.5=2.47+0.378=97.6-0.37=2.79-2.3=794×6=171×8=216÷8=459÷3=40.59×85.6=158.7×5.85=840.1×5.29=12.42÷0.54=36.49÷8.9=57.59÷0.13=(63×75-61)÷88=21×67+90×48=7.9+(2.3+0.11)×0.63=(0.86×0.92+10.4088)÷5.6=获得 口算 称号用时:收获了:个3脱式计算2竖式1口算5799+161=2796+110=9699-848=5007-991=81.5+29.8=0.762+14.7=98.6-0.49=1.56-0.27=179×8=150×9=511÷7=874÷2=944.5×61.9=879.7×25.1=91.17×21.4=27.28÷6.2=33.58÷7.3=67.44÷0.24=8599-1593-(2372-655)=4933+(201+652)×14=(0.36-0.29)×2.4+5.8=0.15+(0.49+0.17)×0.41=获得 口算 称号用时:收获了:个3脱式计算2竖式1口算 1467+496=7220+335=9063-513=3088-276=8.67+1.98=68.9+64.1=9.15-3.6=16.52-9.7=512×6=990×5=558÷6=548÷4=227.4×6.38=781.2×65.7=539.2×84.5=68.06÷0.82=95.14÷7.1=53.07÷6.1=6189+(377+217)×81=(98×65-46)÷68=0.68+4.2-(2.4+0.93)=0.34+0.98-0.57+5.1=获得 口算 称号用时:收获了:个3脱式计算2竖式1口算 6810+560=6958+308=9843-177=4714-986=53.6+79.7=45.3+2.95=17.94-9.4=7.29-5.1=801×8=854×2=612÷3=940÷2=653.7×47.7=989.5×20.8=439.8×5.71=27.09÷4.3=43.35÷5.1=76.89÷3.3=7949-7210-(693-373)=1440+(155+718)×85=0.53+(0.77+3.5)×2.8=(1.8-0.41)×0.22+0.48=获得 口算 称号用时:收获了:个3脱式计算2竖式1口算 5907+908=1895+181=1308-391=2494-998=0.477+79.9=2.81+5.86=1.402-0.92=8.91-0.77=580×4=595×7=128÷8=864÷2=56.91×21.6=25.83×7.47=50.89×33.7=82.88÷3.7=96.48÷0.48=40.48÷4.4=73×24+39×82=5546-3467-(417-395)=1.6+6.3-(4.5+2.3)=(0.75×0.96+0.57)÷0.43=获得 口算 称号用时:收获了:个3脱式计算2竖式1口算 9531+590=3747+179=4793-430=8672-985=0.144+47.4=6.32+94.7=7.63-5.2=13.44-9.8=962×8=570×9=980÷2=261÷9=100.8×8.64=46.09×89.6=332.1×1.86=35.34÷6.2=87.42÷6.2=77.19÷8.3=4404+(736+265)×34=560-(522-238)+563=0.16+(0.62+5.9)×0.96=(5.5248-0.56×0.58)÷5.2=获得 口算 称号用时:收获了:个3脱式计算2竖式1口算 9207+601=7648+715=2257-976=4820-168=1.99+53.6=7.23+0.967=7.85-6.3=69.8-6.5=374×8=711×9=600÷6=868÷7=541.1×31.5=25.73×1.94=93.47×39.8=25.41÷0.21=23.58÷0.18=81.22÷0.62=186-(642-392)+254=6461-5408-(938-717)=2.7+2.8-(1.4-0.96)=(0.7056-0.13×0.12)÷0.69=获得 口算 称号用时:收获了:个3脱式计算2竖式1口算 6266+110=7555+473=2067-636=1042-945=0.723+6.93=0.157+0.514=8.919-8.8=7.35-3.2=703×6=784×5=852÷4=584÷4=85.43×11.6=92.79×53.7=108.3×6.92=17.16÷6.6=16.34÷0.86=12.39÷0.59=6781-5506-(782-718)=(44×18-40)÷94=0.87+6.4-(0.89-0.45)=3.4+6.6-(4.47-0.65)=获得 口算 称号用时:收获了:个3脱式计算2竖式1口算 2242+688=1229+310=9809-948=9829-160=2.74+5.16=8.17+0.246=98.7-0.82=14.6-9.2=374×3=977×5=150÷5=666÷3=45.58×89.8=679.1×44.4=308.7×8.97=45.36÷0.63=80.15÷3.5=18.27÷0.87=6011-4007-(286-156)=5708+(664+639)×39=(5.7-0.25)×4.1+0.56=2.9+0.59-(0.84-0.54)=答案练习1口算84577526110426992.295101.910.4230.43358501560325110竖式3119.147380.8332205.108410512.19.6脱式计算93239996.0595.559练习2口算98921588503890055.5191.89891.30.1813336569667255竖式2559.453157.542336.674411459474脱式计算998245063.36245.81练习3口算761481325812192445.39414.0720.2922.56716877436158竖式64236.4857391.6813015.3414612.911.6脱式计算413413843.21522.96练习4口算175741176903112526.7643.387.075.95534115016984竖式34416.6218720.57356.1207817.116.3脱式计算16028382848.121.608练习5口算89168382319990483.63238.4980.1890.2062950250431148竖式177.14859379.453245.4726.68.986脱式计算603511105.35118.18练习6口算61385630206094211.225107.50.4845.824480111017883竖式941.81562514.995225.4152.96116.3脱式计算387032921.523.82练习7口算359290521667338015.32121.81.234.1911047385615竖式1611.9277398.196177.08971.427.1131脱式计算5657215436.361.0518练习8口算232624254461916810.77326.01241.030.851056632242302竖式280.9044462.7701662.829457.915.1脱式计算37757581015.49口算95084602735057895.73577.38781.1235.83792253869248竖式345.2544105.671462.60143.19.7243脱式计算231994706.32882.1368练习10口算25294535760188153.0249.070.2555.01487811927476竖式4345.7044618.566717.50886.441.31.2脱式计算7461614649.07733.21练习11口算878877406305324053.086.90850.819261020133035竖式5864.9222149.60233130.3724835.25.7脱式计算2994471.011.2练习12口算349472634967287541.9479.970.2740.07717445369122178竖式6690.6561091.583073.81114.42694脱式计算571718447.590.76口算49298882808781779.223.2364.092.171872155036152竖式5054.76812814.232148.9216.916514.6脱式计算258101662216.387.5练习14口算19186293750725856.3973.7540.9271.62162481870127竖式108.571592989.66334.062611524.223脱式计算80632476910.5467.38练习15口算3732711152577826124.50.83123.9576.430441776147163竖式1472.25616203.12932.01482.32.19.3脱式计算76646971.751.4979练习16口算693570474811909270.9171.1330.7195.131672135021372竖式851.44591.067211680.44629.112.6脱式计算451949500040.0549.378口算680492357488367197.738.5270.3745.03326011529552竖式467.367242.127656802.64.610.2146脱式计算498069626.60422.198练习18口算10119952328088428.3491.7060.1415.831773255656126竖式4187.8081075.5293209.6439.6647171脱式计算54601007427.17.488练习19口算95874192590185409.33843.123.5543.441647572133338竖式586.9083542.56172.07646.6168226脱式计算7971297666.874.8练习20口算286517175187946117.73873.5640.3160.737104064646829竖式1031.7721277.2453755.3897.18311.7脱式计算238023181412.252.0609口算189372584190911151.555.370.8990.21740321164156302竖式14155.95265.249810669.8414.7147.3脱式计算3017961.8607练习22口算843081971151724921.452.84897.230.494764136827153竖式3474.504928.3954444.129234.1443脱式计算5357279.41832练习23口算5960290688514016111.315.46298.111.291432135073437竖式58464.5522080.471951.0384.44.6281脱式计算5289168755.9680.4206练习24口算196375558550281210.651335.55 6.823072495093137竖式1450.81251324.8445562.48313.48.7脱式计算54303931.555.85口算7370726696663728133.348.258.542.1964081708204470竖式31181.4920581.62511.2586.38.523.3脱式计算4197564512.4860.7858练习26口算68152076917149680.3778.670.4828.142320416516432竖式1229.256192.95011714.99322.42019.2脱式计算495020571.13练习27口算1012139264363768747.544101.022.433.647696513049029竖式870.9124129.664617.7065.714.19.3脱式计算384388396.41921练习28口算980883631281465255.598.1971.5563.329926399100124竖式17044.6549.91623720.106121131131脱式计算1908325.061口算637680281431977.6530.6710.1194.1542183920213146竖式990.9884982.823749.4362.61921脱式计算121186.836.18练习30口算29301539886196697.98.41697.885.41122488530222竖式4093.08430152.042769.0397222.921脱式计算18745652522.9053.19。