2018-2019学年小学二年级数学上册《第五单元》考试重点题(附答案)

<span><strong><font color="#ff0000">考点一、认识线段</font></strong></span><br><br><span>1.每个图形各由几条线段围成?填在(  )里,并完成下面的表格。</span><br><br><img src="https://www.szxuexiao.com/uploadimages/2018/1223/20181223111938.png?m=0.15810991797279073"><br><br><span>2.我是小画家。</span><br><br><span>(1)画一条比3厘米长2厘米的线段。</span><br><br><span>(2)画一条比8厘米短3厘米的线段。</span><br><br><span>(3)延长下面的线段,使它的长度变成8厘米。</span><br><br><img src="https://www.szxuexiao.com/uploadimages/2018/1223/20181223112035.png?m=0.4158930427272245"><br><br><span><strong><font color="#ff0000">考点二、认识厘米和米</font></strong></span><br><br><span>3.把下列长度按从小到大的顺序排一排。</span><br><br><span>8厘米 1米 80厘米 10米 18厘米</span><br><br><span>(  )&lt;(  )&lt;(  )&lt;(  )&lt;(  )</span><br><br><span>4.我会选。</span><br><br><span>(1)你的椅子大约高(  )</span><br><br><span>A.50厘米    B.50米</span><br><br><span>(2)一棵大树的高度大约是8(  )</span><br><br><span>A.厘米</span><span></span><span>B.米</span><br><br><span>(3)我们的食指宽度大约(  )</span><br><br><span>A.1厘米</span><span></span><span>B.10厘米</span><br><br><span>5.在</span><span>○</span><span>里填上“&gt;”“&lt;”或“=”。</span><br><br><span>10厘米</span><span>○</span><span>10米  1米</span><span>○</span><span>88厘米</span><br><br><span>6米</span><span>○</span><span>16米</span><span></span><span>3米</span><span>○</span><span>300厘米</span><br><br><span>6.在括号里填上合适的数。</span><br><br><span>32米-30米=(  )米</span><br><br><span>30厘米+70厘米=(  )米</span><br><br><span>77厘米-7厘米=(  )厘米</span><br><br><span>20米+30米=(  )米</span><br><br><span>1米+100厘米=(  )米=(  )厘米</span><br><br><br><span><strong><font color="#ff0000">考点三、解决问题</font></strong></span><br><br><span>7.(1)一根绳子长50厘米,将6根这样的绳子连接起来(接头处不算),一共长多少米?</span><br><br><span>(2)奶牛的身高是多少?</span><br><br><img src="https://www.szxuexiao.com/uploadimages/2018/1223/20181223112135.png?m=0.04271632498975575"><br><br><span>8.小飞在操场沿直线向前跑了80米,又往回沿直线跑了100米,这时,他离起点有多远?</span><span></span><br><span>&nbsp;</span><br><br><div style="text-align: center;"><strong><font color="#38761d">2018-2019学年小学二年级数学上册《第五单元》考试重点题答案</font></strong></div><br><span>1.4 6 5 4 3 5 4 6 1 3 2 2</span><br><br><span>2.略</span><br><br><span>3.8厘米&lt;18厘米&lt;80厘米&lt;1米&lt;10米</span><br><br><span>4.(1)A (2)B (3)A</span><br><br><span>5.&lt; &gt; &lt; =</span><br><br><span>6.2 1 70 50 2 200</span><br><br><span>7.(1)3米 (2)150厘米</span><br><br><span>8.20米</span><br><br>