资源描述
,#,2021,年内蒙古,鄂,尔多斯市鄂托,克,旗小升初数,学,真,题及答,案,一、填空每空,1,分,,,共,20,分,3,分,一,个,九,位,数,最,高,位上,是,最,小,的,质数,,,千万,位上,是,最,小,的,合数,,,千位,上是,最,大,的,一,位数,,其,它各,位,上的,数字,都是零,,,这个,数,写,作,,改,写,成,用,“万,作,单位,的,数是,,,省,略,“,亿,后,面的,尾,数,是,1,分,某,商场,四,月,第,一周,销,售,额,比,上,一,周增,长,5%,,第,二,周,销,售,比,第,一,周,增长,4%,,两 周销售,额,共,增,长,%,3,,,比,值,是,4,2,分,一,幅,地,图,,,图,上用,5,厘,米,的,长,度,表,示实,际距离,20,千,米,的,距,离,这,幅地,图,的,比,例 尺是,,,如,果,两,地实,际距,离相,距,128,千,米,,,那,么在,这,幅,地,图,上,应,画,厘,米,5,4,分,5,25%,:40,折,1,分,把,30,个,苹,果放,到,7,个,盘,子,,,总,有,一,个,盘,子里,至,少,有,个,苹果,1,分,学,校,开,展,植,树,活动,,,成,活,了,100,棵,,25,棵没,活,,,那,么,成,活,率,是,8,2,分,按,规,律,填,空,:31,、,6,、,54,、,33,、,12,、,51,、,35,、,18,、,48,、,、,24,、,2,分,男,女,生,的,比是,5:4,,女,生,是,男,生,的,%,,男,生,比,女,生,多,%,2,分,水,果,店,里,原,有,水果,a,千,克,,,售,出,总,数的,后,,,又,售出,千,克,,,共,售,出水,果 千克,,还,剩,下,水,果,千,克,二、判断括号里,对,打,上,“,错的打上,“,每题,1,分,共,6,分,1,分,圆,的,半,径,扩,大,到原,来,的,3,倍,,,它,的,面积,就扩,大,到,原,来的,6,倍,判,断对错,1,分,2,以,外,的,质,数,加上,1,后,就,是,偶,数,判,断,对,错,1,分,如,果,甲,数的,等,于乙,数,的,,那,么,甲,数,大,于,乙数,判,断,对错,1,分,因,为,5,a,6,b,a,,,b,不为,0,,,所以,a,:,b,6:5,判,断,对错,1,分,8,、,2,、,4,、,0,、,6,、,27,中,,,负,数,有,3,个,判,断,对,错,1,分,15,瓶,钙,片,有,1,瓶是,次,品,,,用,天,平,至,少称,3,次,可,以,保,证,找,出,次,品,判,断对错,三、选择题每题,1,分,,,共,5,分,1,分,正,方,形,的,周长,和它,的,边,长,A,成,正,比例,B,成,反,比例,1,分,请,你,估,计,一下,,,最,接,近,你,自,己的,年龄,A600,分,B600,周,C600,时,D,.600,月,C,不,成,比例,1,分,将,圆,柱,的,侧面,展开,,,将,得,不,到,平,行,四,边,形,B,长,方,形,C,正,方,形,D,梯,形,1,分,小,强,小时走,千,米,,他,走,1,千,米,要,多,少,小,时?,正,确,列,式,是,BCD,1,分,某,品,牌,打,“九,折,出,售,,,后,又涨,价,10%,,与,原,价,相,比拟,,,A,比,原,价贵,B,与,原,价,相,等,C,比,原,价,廉,价,D,无,法,判,断,四、计算共,20,分,4,8,分,直,接,写,出,得,数,458,0.4,2.01,1010%,0.18,1,4,2,23,8,分,能,简,算,的,要简,算,32,12891035,2,62.5%5,119,4,分,求,末,知,数,0.36:,x,:,2,x,五、计算与操作共,13,分,,计算,6,分,每题,3,分,3,分,计,算,下,面,阴影,局部,的,面,积,单,位,:,厘,米,26,3,分,求,玩,具,陀,螺的,体积,单,位,:,cm,27,7,分,操,作,题,如图,每个,小,正,方,形,边长,是,1,厘,米,1,用,数,对,表,示,三,角,形三,个顶,点,的,位,置,A,,,B,,,C,,,2,按,角,分,类,,,三,角形,ABC,是,三,角,形,3,这,个,三,角,形绕,AB,边,旋,转,一,周,,,所,得,到,的,立,体,图形,的,体,积,是,立方,厘米,4,画,出,以点,B,为,旋,转点,,逆,时,针,旋,转,90,的,图形,六、综合运用、解,决,问,题,每题,6,分,共,36,分,6,分,儿,童,作,家,写,一,部童,话,得,到,稿费,3700,元,,,按新,的,计,税,方,法,规,定,,,超,过,2000,元 局部要,缴,纳,20%,的,个,人,所,得,税,,这,个,作,家,税,后,实,际,所,得稿,费,多,少,元,?,用,综,合,算式,解,答,6,分,一,辆,运,货,汽,车,从甲,地,到,乙,地,,,平,均,每,小,时行,72,千,米,,10,小,时,到达,回,来,时,空,车,原路,返,回,,,每,小,时,可,行,90,千米,多,长,时,间,能,够,返,回,原地,?,6,分,方,案,生,产,一,批,零,件,,,甲,单,独做,需,8,小时,完,成,,,乙,单,独,做,需,要,10,小,时完,成,,,甲 乙,两人,合,作,生,产,6,小,时,,,结,果比,计,算,多生,产,490,个,零,件,方,案,生,产,零,件,多,少,个,?,6,分,用,塑,料,绳,捆,扎,一个,圆,柱,形,的,蛋,糕,盒,如,图,,,单,位,:,厘米,,,打,结,处,正好,是,底,面,圆,心,,,打,结,用,去,绳,长,25,厘米,扎,这,个,盒,子,至,少,用,去,塑,料绳,多,少,厘,米,?,在,它,的,整,个侧,面,贴上 商标,和,说,明,,,这,局,部,的,面,积是,多,少,平,方,厘,米,?,6,分,超,市,要,王,师傅,运送,500,个,花,瓶,,,每,个花,瓶,运,费,0.3,元,如,果,每打,破,1,个,花,瓶,,不但,不,给,运,费,,,还,要,赔偿,2.5,元,最,后,结,账,时,,王,师傅,共,得,运,费,136,元,,,王,师傅,在,运送 过程,中,打,破,了,几,个,花,瓶,?,6,分,学,校,要买,60,个,滑板,,,现,在,有,甲,、,乙,、,丙,三个,体,育,用,品,商,店,可,供,选,择,,,三,个,商,店,的价,格都,是,80,元,,,但,各个,商店,的,优,惠,方,法,不,同,甲店,:,买,10,个,滑,板,赠送,2,个滑,板,,,缺,乏,10,个,不,送,乙店,:,每,个,滑,板优,惠,5,元,丙店,:,购,物,满,200,元,,,返,还,现,金,30,元,你认,为,应,到,哪,个,商,店,购,置,?为,什,么,?,参考答,案,一、填空每空,1,分,,,共,20,分,1,3,分,2021,鄂,托,克,旗,一,个,九,位,数,最,高,位,上,是最,小,的,质,数,,,千,万,位,上,是最,小,的,合数,,千位,上,是,最,大,的,一,位数,,,其它,各,位,上,的,数,字,都,是,零,,,这,个,数,写,作,240009000,,,改,写,成 用“,万,作,单,位,的,数,是,24000.9,万,,,省,略,“,亿,后面,的,尾,数,是,2,亿,【考,点,】,15:,整,数,的,读,法,和写,法,;16:,整,数,的,改,写,和近,似,数,【专,题,】,411:,整,数,的,认识,【分,析,】,1,最,小,的,质,数,是,2,,最,小,的,合,数是,4,,最,大的,一,位,数,是,9,,其,它,各,位上,的,数字 都是,零,,,然,后,根,据,数,位,顺,序表,,,进,而,写,出,该,数;,2,改,写,成,用,“,万,作,单,位的,数,,,即,小,数,点,向,左移,动,4,位,,,省,略,“,亿,后,面,的尾,数,看千 万位,,,用,四,舍,五,人,法,解,答,即可,【解,答,】,解,:,1,根,据,数,位顺,序,表,,,写,出,这,个,数,为,:240009000;,数,级,亿,级,万,级,个,级,数,位,千亿,位,百亿,位,十亿,位,亿 位,千,万 位,百,万 位,十,万 位,万 位,千 位,百 位,十 位,个 位,2,4,0,0,0,9,0,0,0,2,24000900024000.9,万,,2400010002,亿,;,故答,案,为,:240009000,24000.9,万,,2,亿,【点评,】,解,答,此,题,的,关键,是要,明,确,最,小,的,质,数,是,2,,最小,的,合,数,是,4,,最,大,的,一,位,数,是,9,,进而,得,出,答,案,1,1,分,2021,鄂,托,克,旗,某,商,场,四,月,第,一,周,销,售,额比,上,一,周增,长,5%,,第,二,周销,售,比,第,一 周,增,长,4%,,两,周,销,售,额共,增长,14.5,%,【考,点,】,38:,百,分,数,的,实,际应,用,【专,题,】,45A:,分,数,百,分数,应用,题,【分,析,】,首,先,把,上,一,周,销,售额,看,作,单,位,“1,,,第,一,周比,上,一,周涨,价,5%,,第,一,周的,价格,相 当于,上,一,周,价,格,的,1+5%,,,第,二,周,比,第,一,周,涨,价,4%,,再,把,第,一,周,的,价,格,看,作,单,位,“1,,第二,周,的,价,格,相,当,于,第,一,周的,1+4%,,,根,据,一,个数,乘百,分,数,的,意,义,解,答,即,可,【解,答,】,解,:1,1+5%,1+4%,1,11,1,9.2%,5%+9.2%14.2%,答:,两,周,销,售,额,共,增,长,14.2%,故答,案,为,:14.2,【点评】,此,题解答关键是找准单位,“,1,明确题中的两个百,分,率所对应的单位,“,1不,同,,然,后,根,据,分,数,乘,法,的,意义,进,行,求,解,1,2,分,2021,5:1,,,比,值,是,5,【考,点,】,65:,求,比,值,和,化,简比,【分,析,】,1,根,据,比,的,根,本性,质,作,答,,,即,比,的,前项,和后,项,同,时,乘,一,个,数,或,除,以一,个,数,0,除外,比,值,不,变;,2,用,比,的,前,项,除,以,后项,即可,【解,答,】,解,:4:0.8,,410,,,40:8,,408,:,88,,,5:1;,2,4:0.8,,40.8,,5;,故答,案,为,:5:1;5,【点,评,】,此,题,主,要,考,查,了,化简,比,和,求,比,值,的,方,法,,,另外,还,要,注,意,化,简,比,的,结,果是,一,个,比,,,它的前,项,和后项都是整数,并且,是,互质数;而求比值的结,果,是一个商,可以是整数,,,小 数或,分,数,1,2,分,2021,鄂,托,克,旗,一,幅,地图,,,图,上,用,5,厘,米,的长,度,表,示,实,际距,离,20,千,米的,距,离,这 幅地,图,的,比,例,尺,是,1:400000,,,如,果,两,地,实,际距,离,相,距,128,千,米,,,那,么在,这幅,地,图上,应画,32,厘,米,【考,点,】,C8:,图,上,距,离,与,实际,距,离,的,换,算,比,例,尺,的应,用,【专,题,】,17:,综,合,填,空,题,;45C:,比,和,比,例,应,用,题,【分析,】,图上距离和实际距离,,根,据比例尺图上距离:,实,际距离,可直接求得这,张,地,图的,比,例,尺,;,设,出,图,上,距,离,,依,题,意,列,出,比,例,式,,,即可,求,得,两,地,间,的,图,上,距,离,【解,答,】,解,:20,千,米,2000000,厘,米,,比例,尺,5:20000001:400000,,128,千,米,12800000,厘,米,,,设两,地,间,的,图,上,距,离,为,x,厘米,,,那,么:,1:400000,x,:12800000,400000,x,12800000,x,32,答,:,这,幅,地,图,的,比,例,尺是,1:400000,,如,果
展开阅读全文