<div><div style="text-align: center;"><strong><font color="#ff0000">小学四年级数学阶段性检测 2013.10</font></strong></div><br><div style="text-align: right;">得分<span style="text-decoration: underline;"> </span></div><br><span style=" font-weight:bold; ">一、对号入座。</span><span>(21分)</span><br><br><span>1、327除以26,在试商时可以把26看作</span><span style=" text-decoration:underline ; "> </span><span>,这时商可能会偏 </span><span style=" text-decoration:underline ; "> </span><span> ;899除以34,在试商时可以把34看作</span><span style=" text-decoration:underline ; "> </span><span>,这时商可能会偏</span><span style=" text-decoration:underline ; "> </span><span> 。</span><br><br><span>2、一个数除以95的商是4,并且有余数,余数最大是</span><span style=" text-decoration:underline ; "> </span><span>,这时这个数是</span><span style=" text-decoration:underline ; "> </span><span>。</span><br><br><span>3、最大的三位数除以最大的两位数,商是</span><span style=" text-decoration:underline ; "> </span><span>,余数是</span><span style=" text-decoration:underline ; "> </span><span>。</span><br><br><span>4、</span><span>计算除数是两位数的除法,要先看被除数的前</span><span style=" text-decoration:underline ; "> </span><span>位,前两位不够再看</span><span style=" text-decoration:underline ; "> </span><span>,除到哪一位商就写在那一位的上面,特别要注意每次除得的余数必须比</span><span style=" text-decoration:underline ; "> </span><span>。</span><br><br><span>5、</span><span>90的5倍是</span><span style=" text-decoration:underline ; "> </span><span>,90是</span><span style=" text-decoration:underline ; "> </span><span>的5倍。</span><br><br><span style=" font-family: 楷体_GB2312;">6、 </span><span style=" z-index:1; left:0px; "></span><span style=" z-index:1; left:0px; "></span><span> ÷34=21…… ,余数最大是</span><span style=" text-decoration:underline ; "> </span><span>,这时被除数是</span><span style=" text-decoration:underline ; "> </span><span>。</span><br><br><span>7、360秒=( )分 72时=( )日</span><span>X k b1. Com</span><br><br><span>8、观察算式:52×8=416,不计算,直接在横线上写出下面两题的商。(方框里不填)</span><br><br><span>406</span><span>÷52= </span><span style=" text-decoration:underline ; "> </span><span>……</span><span> ; 426÷52=</span><span style=" text-decoration:underline ; "> </span><span>……</span><span> </span><br><br><span>9、印刷厂在装订910本图书,平均每天装订90本,工作</span><span style=" text-decoration:underline ; "> </span><span>天后,还剩下190本没完成。</span><br><br><span>10、小妍在计算一道除法题时,把除数72看作27,结果商是24,正确的商应该是</span><span style=" text-decoration:underline ; "> </span><span> 。</span><br><br><span style=" font-weight:bold; ">二、辨析真伪。(</span><span>5分)</span><br><br><span>1、当余数比除数大时,说明试商偏大了。…………………………………( )</span><br><br><span>2、除数是28时,余数可以是29。…………………………………………( )</span><br><br><span>3、三位数除以两位数,商可能是两位数。…………………………………( )</span><br><br><span>4、</span><span style=" letter-spacing:-; ">计算除法时,把除数34写成43,结果得到的商是21,正确的商一定比21大。</span><span>… ( )</span><br><br><span>5、如果 ﹗×10+ ﹗=550,那么550÷﹗ =11。………………………… ( )</span><br><br><span style=" font-weight:bold; ">三、精挑细选</span><span>。(5分)</span><br><br><span>( )1、除数是30时,余数最大会是( )。 </span><br><br><span>A、10 B、29 C、1 D、30</span><br><br><span>( )2、601÷47的商最接近( )。 </span><br><br><span>A、10 B、15 C、14 D、13</span><br><br><span>( )3、一个数除以32,商是11,余数是可能中最大的,则被除数是( )</span><br><br><span>A、383 B、352 C、362 D、353</span><br><br><span>( )4、除法试商时,如果余数比除数大,应把商( )。</span><br><br><span>A、调大 B、调小 C、不变 </span><br><br><span>( )5、□26</span><span>÷42=1</span><span>□</span><span>……</span><span>□,被除数里的□可以填的数有( )种情况。</span><br><br><span>A、3 B、4 C、5 D、6</span><br><br><span style=" font-weight:bold; ">四、细心计算。</span><span style=" font-weight:bold; "></span><br><br><span>1、口算。</span><span style=" font-weight:bold; ">(12分)</span><br><br><span>80÷20= 420÷21= 90÷30= 350÷70=</span><br><br><span>120÷40= 100÷50= 880÷40= 24×5= </span><br><br><span>15×8= 418-199= 412÷4 = 100-100÷20=</span><br><br><span>2、把得数相等的算式用线连起来。(4分)</span><br><br><span>720÷18 720÷9÷5</span><br><br><span>720÷15 720÷8÷3</span><br><br><span>720÷45 720÷9÷2</span><br><br><span>720÷24 720÷3÷5</span><br><br><span>3、竖式计算。</span><span>(打※号的要验算。)</span><span>(21分)</span><br><br><span>903÷21= 1230÷30= 810÷18=</span><br><br><br><span>※ 517÷73= ※ 356÷26= ※ 2860÷38=</span><br><br><br><span style=" font-weight:bold; ">五、学以致用</span><span>。(6+26分)</span><br><br><span>1、列式计算。(6分)</span><br><br><span>(1)320里面连续减去多少个40,结果是0?</span><br><br><span>(2)一个数的37倍是444,这个数的20倍是多少?</span><br><br><span>(3)一个数除以35的商是7,这个数是49的几倍?</span><br><br><span>2、一共有266枚1元硬币, 把这些硬币换成20元一张的纸币,最多能换多少张?(4分)</span><br><br><span>3、山田奶牛厂每天能向市场供应牛奶300箱、高钙奶260箱,一辆卡车一次能运40箱,这辆卡车要运多少次才能把这些牛奶全部运完?(4分)</span><br><br><span>4、小梅到动物园游玩,从狮子馆到熊猫馆走了12分钟。</span><br><br><span>(1)她用同样的速度从熊猫馆到海豚</span><span>馆要走多少分?(3分)</span><br><br><img src="//www.szxuexiao.com/uploadimages/2013/1010/20131010142237.jpg?m=0.7722015171311796"><br><br><span>(2)她用同样的速度朋海豚馆到大象馆走了15分钟,海豚馆到大象馆多多远的距离?(3分)</span><br><br><span>5、欢欢家去年四个季度用水情况如下表。</span><br><br><img src="//www.szxuexiao.com/uploadimages/2013/1010/20131010142339.jpg?m=0.8976160155143589"><br><br><span>(1)欢欢家去年平均每月用水多少立方米?(3分)</span><br><br><span>(2)欢欢家去年平均每个季度用水多少立方米?(3分)</span><br><br><span style=" z-index:1; left:0px; "></span><span style=" z-index:1; left:0px; "></span><span style=" z-index:1; left:0px; "></span><span>6、 水果糖每千克14元 巧克力糖每千克18元 软糖每千克10元</span><br><br><span>(1)</span><span style=" letter-spacing:-; ">把这三种糖取同样的重量混合成什锦糖,这种什锦糖每千克多少元?(3分)</span><span style=" letter-spacing:-; "></span><br><br><span>(2)小鑫的爸爸带了150元钱去买这样的什锦糖,最多能买多少千克?还要找回多少钱?(3分)</span><br><br></div>
四年级上