2018-2019学年小学二年级数学上册《第六单元》测试题及答案

<span><strong>一、填一填。(共20分,每空1分)</strong></span><br><br><span>1.计算3×8时,想口诀(    ),积是(  );计算63÷7时,想口诀(    ),商是(  )。</span><br><br><span>2.有一些苹果,比40多,比45少,平均分给7个小朋友,正好分完,这些苹果一共有(  )个。</span><br><br><span>3.小飞买了一本新书,从第一页开始,每天看8页,这样连续看了8天,如果接着看下去,第9天他应该从第(  )页开始看。</span><br><br><span>4.在(  )里填上合适的数。</span><br><br><span>3×(  )=15  (  )÷5=8</span><br><br><span>6×(  )=42</span><span></span><span>49÷(  )=7</span><br><br><span>63÷(  )=9</span><span></span><span>72÷(  )=8</span><br><br><span>81÷(  )=9</span><span></span><span>56÷(  )=8</span><br><br><span>5.在</span><span>○</span><span>里填上“&gt;”“&lt;”或“=”。</span><br><br><span>6×3</span><span>○</span><span>2×9</span><span></span><span>25÷5</span><span>○</span><span>3×3</span><br><br><span>32÷8÷4</span><span>○</span><span>5</span><span></span><span>3×9</span><span>○</span><span>4×7</span><br><br><span>6×7</span><span>○</span><span>5×8</span><span></span><span>45÷9</span><span>○</span><span>30÷6</span><br><br><span><strong>二、选择。(共8分)</strong></span><br><br><span>1.下面不可以用“三七二十一”这句口诀计算的是(  )</span><br><br><span>A.3个7相加</span><br><br><span>B.7个3相加</span><br><br><span>C.3个3相加</span><br><br><span>2.把36平均分成6份,每份是(  )</span><br><br><span>A.3   B.6   C.9</span><br><br><span>3.菜园里种了一些萝卜,每行种8棵,</span><span style="text-decoration:underline"><span>      </span></span><span>,一共种了多少棵萝卜?横线上补充的条件是(  )</span><span></span><br><br><span>A.有8行萝卜</span><br><br><span>B.每行有9棵</span><br><br><span>C.白菜比萝卜多10行</span><br><br><span>4.王老师去商店买了3副乒乓球拍,如果全部付5元的人民币,那么最少要付(  )张。</span><br><br><img src="https://www.szxuexiao.com/uploadimages/2018/1223/2018122314459.png?m=0.5583050501467692"><br><br><span>A.5张</span><span></span><span>B.6张</span><span></span><span>C.7张</span><br><br><span><strong>三、连一连。(共10分)</strong></span><br><br><img src="https://www.szxuexiao.com/uploadimages/2018/1223/20181223144613.png?m=0.5643012869371069"><br><br><strong><span>四、计算。(共31分)</span><br></strong><br><span>1.直接写出得数。(15分)</span><br><br><span>7×6=   4×8=   36÷9=</span><br><br><span>21÷7=</span><span></span><span>&nbsp; 54÷9=</span><span></span><span>&nbsp; &nbsp;6×8=</span><br><br><span>7×7=</span><span></span><span>&nbsp; &nbsp;9×9=</span><span></span><span>&nbsp;&nbsp;&nbsp;72÷8=</span><br><br><span>3×3×8=   24÷6×9=</span><br><br><span>4×9÷6= &nbsp;&nbsp;</span><span></span><span>45÷9×3=</span><br><br><span>3×8÷6=</span><span></span><span>&nbsp;&nbsp;&nbsp;72÷8÷3=</span><br><br><span>2.按要求写出算式。(16分)</span><br><br><span>(1)写出四道积是24的乘法算式。</span><br><br><span>□</span><span>×</span><span>□</span><span>=24 </span><span>□</span><span>×</span><span>□</span><span>=24</span><br><br><span>□</span><span>×</span><span>□</span><span>=24 </span><span>□</span><span>×</span><span>□</span><span>=24</span><br><br><span>(2)写出四道商是8的除法算式。</span><br><br><span>□</span><span>÷</span><span>□</span><span>=8  </span><span>□</span><span>÷</span><span>□</span><span>=8</span><br><br><span>□</span><span>÷</span><span>□</span><span>=8  </span><span>□</span><span>÷</span><span>□</span><span>=8</span><br><br><span><strong>五、看图列式计算。(共8分)</strong></span><br><br><img src="https://www.szxuexiao.com/uploadimages/2018/1223/20181223144723.png?m=0.6288151538313418"><br><br><span><strong>六、解决问题。(共23分)</strong></span><br><br><span>1.72元钱买了9本故事书,每本故事书多少元?(3分)</span><br><br><span><img src="https://www.szxuexiao.com/uploadimages/2018/1223/20181223144854.png?m=0.9868688132865588">&nbsp;</span><br><br><span>2.(4分)</span><span></span><br><br><span>(1)要把这些树种完,每人种8棵,需要几人?</span><br><br><span>(2)如果9人将这些树全部种完,平均每人种多少棵?</span><br><br><img src="https://www.szxuexiao.com/uploadimages/2018/1223/20181223145130.png?m=0.04358431116923733"><br><br><span>3.如右图所示的一套桌椅,1个同学可搬1把椅子,2个同学可抬1张桌子。(6分)</span><br><br><span>(1)搬一套桌椅要多少人?</span><br><br><span>(2)54人同时搬,一次可以搬多少套桌椅?</span><br><br><span>4.(6分)</span><br><br><img src="https://www.szxuexiao.com/uploadimages/2018/1223/20181223145219.png?m=0.8897801599935216"><br><br><span>(2)你还能提出什么问题?并解答。</span><br><br><span>5.买9副手套的钱可以买一件上衣,一件上衣多少元?(4分)</span><br><br><img src="https://www.szxuexiao.com/uploadimages/2018/1223/20181223145249.png?m=0.4174898828725708"><br><br><br><div style="text-align: center;"><strong><font color="#38761d">2018-2019学年小学二年级数学上册《第六单元》测试题答案</font></strong></div><br><span>一、1.三八二十四 24 七九六十三 9</span><br><br><span>2.42 3.65</span><br><br><span>4.5 40 7 7 7 9 9 7</span><br><br><span>5.= &lt; &lt; &lt; &gt; =</span><br><br><span>二、1.C 2.B 3.A 4.B</span><br><br><span>三、略</span><br><br><span>四、1.42 32 4 3 6 48 49 81 9 72 36 6 15 4 3</span><br><br><span>2.(1)3×8 8×3 4×6 6×4</span><br><br><span>(2)8÷1 16÷2 24÷3 32÷4(答案不唯一)</span><br><br><span>五、1.4×7=28 7×4=28 28÷4=7</span><br><br><span>28÷7=4</span><br><br><span>2.5×6=30 6×5=30 30÷6=5 30÷5=6</span><br><br><span>六、1.72÷9=8(元)</span><br><br><span>2.(1)72÷8=9(人)</span><br><br><span>(2)72÷9=8(棵)</span><br><br><span>3.(1)6人</span><br><br><span>(2)54÷6=9(套)</span><br><br><span>4.(1)5×8=40(元) 40÷8=5(个)</span><br><br><span>(2)买8个手电筒要多少元?</span><br><br><span>8×7=56(元)(答案不唯一)</span><br><br><span>5.9×9=81(元)</span><br>