四年級期末總復(fù)習(xí)‘’

四年級期末總復(fù)習(xí)6、6、左圖中一共有（）個角。一、選擇題1、當(dāng)把除數(shù)22看作20來試商時，有時會出現(xiàn)初商（），要調(diào)商。A、偏小 B、偏大C、正好2、要知道算式：420-0=6……18中除數(shù)是多少？可以用下面（）算式來解答。A、420-6-18 B、420-18-6C、（420-18）-63、張華參加商場門前的價格三選一的活動，主持人給出一件商品的三個價格，只有一個是正確的，張華猜的結(jié)果，。A、猜中正確價格的可能性大 B、猜中正確價格的可能性小C、猜中正確價格和錯誤價格的可能性一樣大4、在同一平面內(nèi)和已知直線相距2厘米的平行線有（）條。A、1 B、2 C、35、49x（ ）＜310，括號里最大能填幾？A、5 B、6 C、7TOC\o"1-5"\h\zA、5 B、6 C、15 D、107、判斷對錯：把44塊糖分給9個小朋友，每人分到若干塊糖，但又不能有任何兩個人同樣多，這是無法做到的.A、V B、x8、小芳和小紅做“石頭、剪刀、布〃的游戲，在游戲中，小芳獲勝的可能性是112 1A、B、- C、- D、69、用11作除數(shù)的除法算式的余數(shù)可能有（ ）種不同的情況。A.11 B.10 C.無數(shù)二、填空題1、最大的三位數(shù)除以最小的兩位數(shù)，商是，余數(shù)是。2、在口里填數(shù)。

不改商，□里填。商改小，□里填。3、用5個同樣大小的正方體分別擺成下面的形狀，在橫線上填物體的序號^00^① ②?④ ⑤?)(1)—和—從正面看形狀相同，—和—從正面看形狀也相同。⑵—和—從側(cè)面看形狀相同，—和—從側(cè)面看形狀也相同。(1)27x___<260 47x<230⑵—x35<300 —x26<1905、橫線上最大能填幾？(1)80x___<420 (2)40x___<380 (3)70x___<6136、下面兩道除法算式中，被除數(shù)、余數(shù)分別相同，但除數(shù)不同，你能填出每個橫線上的數(shù)字嗎？183+—5=—……8183+—5=—……87、小布袋里有6只大小、形狀相同的小球，任意摸50次。.摸到的一定是紅球，這6只球的顏色是。.摸到的不可能是紅球，這6只球的顏色。.摸到紅球的次數(shù)比摸到白球的次數(shù)多，這6只球的顏色可能是，也可能是。.摸到紅球的次數(shù)和摸到白球的次數(shù)差不多，這6只球的顏色是

8、0-6=0……□，被除數(shù)最小是?！?□=□……6,被除數(shù)最小是。9、用同樣大小的正方體擺成一個物體，要使它從正面、側(cè)面和上面看到的形狀都是，田〃字形，至少需要個正方體。左圖中一共有組平行線。10、有兩個書架，甲書架有書80本，乙書架有書40本，每次從甲書架拿出4本放入乙書架，拿（ ）次后兩個書架的書相等。11、5、在△△?！鳌??！鱚?！?，15個△之間有（）0；第）0；第16個是12、、小云在計(jì)算一道除法時，把除數(shù)753看成了573,結(jié)果比原來小了6,余數(shù)比原來也少了6,那么正確的除數(shù)和余數(shù)是多少?13、袋中有紅襪子10只，白襪子10只，要保證一次摸出的襪子一定有同顏色的，至少要摸一只。14、用同樣大小的正方體擺成一個物體，要使它從正面、側(cè)面和上面看到的形狀都是“田”字形，至少需要一個正方體。TOC\o"1-5"\h\z15、已知0：口二☆，。+口X+=500,0=（ ）。16、被減數(shù)除以減數(shù)加差的和，商是（）。17、從400里減去一個整十?dāng)?shù)，得到的差再除以這個整十?dāng)?shù)，商是9,這個整十?dāng)?shù)是（ ）。18、芳芳做乘法計(jì)算題時，把其中一個因數(shù)32當(dāng)作23來算，結(jié)果得到的積比正確的積少了432,那么，另一個因數(shù)是（），正確的積應(yīng)該是（ ）19、從3點(diǎn)到4點(diǎn)時針旋轉(zhuǎn)了多少度，分針旋轉(zhuǎn)了多少度？從5點(diǎn)到6點(diǎn)30分時針旋轉(zhuǎn)了多少度，分針旋轉(zhuǎn)了多少度?1、300-50=2、68-34=3、240-60=4、75-25=51、300-50=2、68-34=3、240-60=4、75-25=5、400-80=6、84-35=7、35-14=8、840-24=9、1200-60=10、84-28=四、解答題1、列式計(jì)算。1000減去390除以15的商，差是多少？2、小雨把2、小雨把12月份的天氣情況畫成了下面的條形圖。(1)根據(jù)條形圖，把下面的統(tǒng)計(jì)表填寫完整。天氣 晴天 陰天 雨天 雪天 合計(jì)天數(shù)⑵在這個月中，哪種天所經(jīng)常出現(xiàn)？哪種天氣偶爾出現(xiàn)?3、在下面的口里分別填上哪幾個數(shù)字，商是一位數(shù)，并且沒有余數(shù)?！酢??58=4、桌面上擺放著一些相同的正方體木塊，從正南方向看如左下圖，從正西方向看如右下圖。問擺成這樣的立體圖形最多用多少個木塊？最少用多少個木塊？五、計(jì)算題1、計(jì)算：65x35-4081、計(jì)算：65x35-408?242、計(jì)算：(270-480+16)x43、計(jì)算：2480引(28+34)x5]43、計(jì)算：2480引(28+34)x5]4、計(jì)算：1960-480x5+32、請畫出左邊物體從左側(cè)面、右側(cè)面看到的形狀。1、學(xué)校門口擺了6盆花，小冬數(shù)了數(shù)共4行，每行32、請畫出左邊物體從左側(cè)面、右側(cè)面看到的形狀。七、應(yīng)用題1、林場種植松樹苗450棵，種植柏樹苗510棵。這些樹苗被種成40行，平均每行種植樹苗多少棵？2、甲、乙兩個油桶，甲桶中的油是乙桶中的4倍，乙桶油用去6千克，甲桶油用去30千克后，剩下的油同樣多。問原來兩個油桶中各有油多少千克？3、寫出53+()=()……5的所有算式。4、甲乙兩人存款若干元，甲存款是乙存款的3倍，如果甲取出240元，乙取出40元，甲乙存款正好相等，甲乙原來各存款多少元？參考答案1）、B2）、C3）、B4）、A5）、B6）、C7）、A8）、A9）、9.49.16,六3,三9.23,三9.34,四10）、10.19910.2911）、11.18、911.20?712）、12.1②12.2⑥12.3②12.4⑤12.5④12.6①12.7③12.8①12.9③12.10④12.11⑥12.12④13）、13.1913.2413.38 13.4714）、14.1514.2914.3815）、15.1415.2915.35 15.41015.5815.6115.78 15.8916）、16.1216.2716.33 16.4517）、17.1紅色17.2全是白球17.3 5只7紅球，1只白球3只白球17.44只紅球，2只白球17.53只紅球18）、18.1718.21319）、19.11419.21419.34219.41320）、20.11220.2420.32921）、622）、1823）、 23.1[{"attr":[],"guid":"44B561A7-2F30-4A15-B4E4-A3F30E4A38A9","answerList":[{"order":1,"ly_201_bai_0043_a":{"answer":"4","score":1}},{"order":2,"ly_201_bai_0043_b":{"answer":"7","score":1}},{"order":3,"ly_201_bai_0043_c":{"answer":"8","score":1}},{"order":4,"ly_201_bai_0043_d":{"answer":"4","score":1}},{"order":5,"ly_201_bai_0043_e":{"answer":"0","score":1}},{"order":6,"ly_201_bai_0043_f":{"answer":"2","score":1}},{"order":7,"ly_201_bai_0043_g":{"answer":"7","score":1}},{"order":8,"ly_201_bai_0043_h":{"answer":"8","score":1}},{"order":9,"ly_201_bai_0043_i":{"answer":"2","score":1}},{"order":10,"ly_201_bai_0043_j":{"answer":"4","score":1}},{"order":11,"ly_201_bai_0043_k":{"answer":"0","score":1}}[}] 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23.10[{"attr":[],"guid":"44B561A7-2F30-4A15-B4E4-A3F30E4A38A9","answerList":[{"order":1,"ly_201_bai_0043_a":{"answer":"4","score":1}},{"order":2,"ly_201_bai_0043_b":{"answer":"7","score":1}},{"order":3,"ly_201_bai_0043_c":{"answer":"8","score":1}},{"order":4,"ly_201_bai_0043_d":{"answer":"4","score":1}},{"order":5,"ly_201_bai_0043_e":{"answer":"0","score":1}},{"order":6,"ly_201_bai_0043_f":{"answer":"2","score":1}},{"order":7,"ly_201_bai_0043_g":{"answer":"7","score":1}},{"order":8,"ly_201_bai_0043_h":{"answer":"8","score":1}},{"order":9,"ly_201_bai_0043_i":{"answer":"2","score":1}},{"order":10,"ly_201_bai_0043_j":{"answer":"4","score":1}},{"order":11,"ly_201_bai_0043_k":{"answer":"0","score":1}}[}] 23.11[{"attr":[],"guid":"44B561A7-2F30-4A15-B4E4-A3F30E4A38A9","answerList":[{"order":1,"ly_201_bai_0043_a":{"answer":"4","score":1}},{"order":2,"ly_201_bai_0043_b":{"answer":"7","score":1}},{"order":3,"ly_201_bai_0043_c":{"answer":"8","score":1}},{"order":4,"ly_201_bai_0043_d":{"answer":"4","score":1}},{"order":5,"ly_201_bai_0043_e":{"answer":"0","score":1}},{"order":6,"ly_201_bai_0043_f":{"answer":"2","score":1}},{"order":7,"ly_201_bai_0043_g":{"answer":"7","score":1}},{"order":8,"ly_201_bai_0043_h":{"answer":"8","score":1}},{"order":9,"ly_201_bai_0043_i":{"answer":"2","score":1}},{"order":10,"ly_201_bai_0043_j":{"answer":"4","score":1}},{"order":11,"ly_201_bai_0043_k":{"answer":"0","score":1}}[}]24）、625）、226）、427）、328）、529）、 29.1 2 29.2 1430）、 30.1 2 30.2 731）、3532）、2033）、334）、【解答】解：1000-390+15=1000-26=974【點(diǎn)評】注意題中的邏輯關(guān)系，是先求商，再求差。1035）、【解答】1、解：⑴天氣 晴天 陰天 雨天 雪天 合計(jì)天數(shù) 18天 7天 4天 2天 31天⑵在這個月中，晴天經(jīng)常出現(xiàn)，雪天偶爾出現(xiàn)?！军c(diǎn)評】注意統(tǒng)計(jì)圖的橫軸和縱軸分別表示什么。36）、【分析】要使商是一位數(shù)，□里的兩個數(shù)一定要小于58,要使余數(shù)是0（也就是沒有余數(shù)），58乘商應(yīng)等于口口4,即商與除數(shù)相乘積的個位上一定是4,于是想除數(shù)58個位上的“8〃與幾相乘積的個位上是“4〃，只有8x3=24,8x8=64,所以商只能是3或8。根據(jù)商x除數(shù)=被除數(shù)，求出被除數(shù)。如果商是3，被除數(shù)是58x3=174；如果商是8，被除數(shù)是58x8=464，由此可知口里可以填1、7或4、6?！窘獯稹?、解：填法一：174?58填法二：464?58【點(diǎn)評】除數(shù)是兩位數(shù)的除法，判斷商的位數(shù)有，竅門〃：先看被除數(shù)的前兩位，被除數(shù)的前兩位數(shù)如果大于或等于除數(shù)，商的位.二被除上的位商..；如果被除數(shù)的前兩位小于除數(shù)，商的位.二被除三的位算-二在沒有余數(shù)的情況下，被除數(shù)=商、除數(shù)；有余數(shù)的情況下，被除數(shù)=商、除數(shù)+余數(shù)。37）、【分析】由上面的兩個圖可知，正方體木塊擺放在桌面上的4x4的區(qū)域內(nèi)，即每行每列可放4個小正方體。使用正方體木塊最多時，設(shè)法盡可能多放；使用正方體木塊最少時，可讓從上向下看時，有些地方?jīng)]有木塊。11【解答】1、解：我們用4x4的格圖來表示正方體的擺放方法，若在相應(yīng)的位置放幾塊疊加正方體木塊就在該位置填上該數(shù)，于是分別得到最多與最少的放法。即最多用20塊正方體木塊，最少用6塊正方體木塊。答：擺成這樣的立體圖形最多用20個木塊，最少用6個木塊?！军c(diǎn)評】試一試，畫出用6塊正方體木塊擺放出題中的立體圖形，并從前面和左面看一看，是否符合題中的要求。38)、【解答】解：原式=2506-809+14x106=2506-809+1484=1697+1484=3181【點(diǎn)評】在沒有括號整數(shù)混合運(yùn)算中，要先算乘除，后算加減。39)、【分析】根據(jù)四則混合運(yùn)算的順序解答?！窘獯稹拷猓?1)[(205+35)-30-70=(240-30)+70=210+70=3(2)30x[(28-12)+8]=30x(16+8)=30x2=60【點(diǎn)評】在帶有小、中括號的四則混合運(yùn)算中，先算小括號里面的，再算中括里面的，最后算括號外面的。1240）、【解答】解：68x35-408^24=2380-17=2363【點(diǎn)評】整數(shù)的混合運(yùn)算，要掌握運(yùn)算順序，沒有括號時，先乘除后加減。41）、【分析】這道題里有小括號，根據(jù)四則運(yùn)算的法則要先算括號里面的，括號里面的應(yīng)該先算除法，再算減法?！窘獯稹拷猓?270-480+16)x4=（270-30）x4=240x4=960【點(diǎn)評】在帶有括號的四則混合運(yùn)算中，要先算括號里面的，后算括號外面的。42）、【分析】先算小括號里的，再算中括號里的，最后算括號外的?！窘獯稹拷猓?480引(28+34)x5]=2480+(62x5)=2480+310=8【點(diǎn)評】在帶有小括號、中括號的四則混合運(yùn)算中，要先算小括號里面的，后算中括號里的，最后計(jì)算括號外面的。43）、【分析】這題有減法和乘除，根據(jù)四則混合運(yùn)算法則，應(yīng)該先算乘法，再算除法，最后算減法。13

【解答】解：1960-480x5+3=1960-2400K3=1960-800=1160【點(diǎn)評】在有加減和乘除的四則混合運(yùn)算中，先算乘除，后算加減，當(dāng)同時有乘除時，按從左到右的順序進(jìn)行計(jì)算。44）、【分析】第1小題用逆推的方法，先從最后一步考慮。最后一步是減4,所以前面的式子2x8+14+5應(yīng)等于6,6-4=2,而(2x8+14)+5-4=2,正好符合題意，所以算式為(2x8+14)k5-4=2。第2小題，因?yàn)?x8+14=30，所以設(shè)法使后面部分運(yùn)算后等于1即可，于是就有(2x8+14)+(5-4)=30【解答】解：(1)(2x8+14)+5-4=2(2)(2x8+14)K(5-4)=30【點(diǎn)評】括號用來表示四則運(yùn)算中需要先算的部分，而四則運(yùn)算中，規(guī)定"先乘除后加減〃，所以添括號時，應(yīng)著重在含有加減運(yùn)算符號的各數(shù)之間考慮。45）、【分析】由題意可知，是4條直線相交，有6個交點(diǎn)，每條直線與其他3條直線都相交，據(jù)此畫圖。【解答】1、解：如圖，【點(diǎn)評】解本題的關(guān)鍵是能夠?qū)?shí)際問題