2012-2013学年苏教版小学五年级数学上学期期中单元练习题

<div><strong><font class="Apple-style-span" color="#38761D">亲爱的同学,做完这份试卷,相信你定能享受到成功的喜悦,愿你答题细心,收获多多!</font></strong></div><div><br></div><div><strong>一、认真读题,谨慎填写。(每空1分,共26分)</strong></div><div><br></div><div>1、△☆☆△☆☆△☆☆……这一组图形中,每( &nbsp; &nbsp;)个图形为一组,每组中有( &nbsp; &nbsp;)个△,有( &nbsp; &nbsp;)个☆,第18个图形是( &nbsp; &nbsp; &nbsp; )。</div><div><br></div><div>2、有一堆钢管,最上层有6根,最下层20根,每下层都比上一层多一根,这堆钢管一共有(    )。</div><div><br></div><div>3、小明按一定的规律写数:1、2、-3、4、5、-6、7、8、-9……,当写完第100个数时他停了下来。他写的数中一共有( &nbsp; &nbsp; &nbsp;)个正数,( &nbsp; &nbsp; &nbsp; )个负数。 &nbsp;</div><div><br></div><div>4、按规律画出每组中的第50个图形。</div><div><br></div><div>(1)▲○○▲○○▲○○…… &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; ( &nbsp; &nbsp; )</div><div><br></div><div>(2)○○□□△△○○□□△△○○□□△△…… &nbsp; &nbsp; &nbsp; &nbsp; ( &nbsp; &nbsp; )</div><div><br></div><div>(3)◎◎★△◎◎★△◎◎★△…… &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; ( &nbsp; &nbsp; )</div><div><br></div><div>(4)☆☆☆△△☆☆☆△△☆☆☆△△…… &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; ( &nbsp; &nbsp; )</div><div><br></div><div>5、在( &nbsp;)里填上合适的数。</div><div><br></div><div>(1)35厘米=( &nbsp; &nbsp; )米 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;(2)3千克15克=( &nbsp; &nbsp; &nbsp; &nbsp;)千克</div><div><br></div><div>(3)0.7平方分米=( &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; )平方厘米 &nbsp; &nbsp; (4)10.7千米=( &nbsp; &nbsp; &nbsp; )千米( &nbsp; &nbsp; &nbsp;)米&nbsp;</div><div><br></div><div>6、把4.995保留整数是( &nbsp;   &nbsp; ),精确到百分位是( &nbsp;   &nbsp;)。</div><div><br></div><div>7、一个两位小数精确到十分位是7.9,这个两位小数最大是( &nbsp; &nbsp;   &nbsp;),最小是( &nbsp; &nbsp;  &nbsp; &nbsp;)。</div><div><br></div><div>8、王兵在家练习硬笔书法时,写“我们爱科学我们爱科学……”依次写下去那么第23个字应是( &nbsp; )。</div><div><br></div><div>9、河堤的一边栽了45棵树。这些树按1棵柳树、3棵桃树的规律栽种。河堤的一边共栽了( &nbsp; &nbsp; &nbsp;)棵柳树,( &nbsp; &nbsp; )棵桃树。</div><div><br></div><div>10、小明在计算一道小数加法时,把个位上的3看成了8,把百分位上的5看成了2,结果是23.78.正确的答案是(    )。新|课|标|第|一|网</div><div><br></div><div>11、在一道减法算式中差是82.8,被减数增加6.8,减数减少0.8,这时差是( &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; )。</div><div><br></div><div>12、小力在计算5.1加上一个两位小数时,把加号看成了减号,得2.76。正确的结果是(    )。</div><div><br></div><div><strong>二、巧思妙断,判断对错。(对的打“√”,错的打“×”。每题1分,共5分。)</strong></div><div><br></div><div>1、边长4分米的正方形的面积和周长相等。…………………………………(  ) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;</div><div><br></div><div>2、笔算小数加、减时,一定要把末位对齐。…………………………………(  ) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;</div><div><br></div><div>3、19.325小数点后第10位上的数字是3。…………………………………(  )</div><div><br></div><div>4、○▲□○▲□○▲□……排列在第15个的是▲。………………………(  )&nbsp;</div><div><br></div><div>5、7.983保留一位小数后的结果是8。………………………………………(  )&nbsp;</div><div><br></div><div><br></div><div><strong>点击此处下载:</strong><a href="//www.szxuexiao.com/down.asp?fileurl=201210_332024_204620310" target="_blank">2012-2013学年苏教版小学五年级数学上学期期中单元练习题全部内容</a></div><div><br></div><div><br></div>