<strong><span>一、知识宫探秘。(第1题6分</span><span>，</span><span>其余每空1分</span><span>，</span><span>共32分)</span></strong><br><br><strong><span>1</span></strong><span>．</span><span>看图写算式。</span><br><br><img src="https://www.szxuexiao.com/uploadimages/2018/0719/201871911229.png?m=0.4049844713157935"><br><br><strong><span>2</span></strong><span>．</span><span>观察下面算式</span><span>，</span><span>可以改成乘法算式</span><span>的画“√”，不能改的画“×”。</span><br><br><span>(</span><span>1)3＋3＋3 ( ) (2)4＋4＋4 ( )</span><br><br><span>(3)5＋5＋5＋6 ( ) (4)2＋2＋2 ( )</span><br><br><span>(5)2＋2＋2＋3 ( ) (6)6＋6＋6＋6 ( )</span><br><br><strong><span>3</span></strong><span>．</span><span>写口诀。</span><br><br><span>二三( ) ( )得九 三( )十五</span><br><br><span>四( )二十四 ( )四十二 五六( )</span><br><br><strong><span>4</span></strong><span>．</span><span>在○</span><span>里填上“＞”“＜”或“＝”。</span><br><br><span>3</span><span>＋3</span>○<span>3×2 6</span>○<span>6×1 5×3</span>○<span>10＋5</span><br><br><span>6</span><span>＋6</span>○<span>6×2 15－5</span>○<span>3×3 65＋25</span>○<span>100</span><br><br><strong><span>5</span></strong><span>．</span><span>在( )里填上适当的数。</span><br><br><span>4×</span><span>( )＝24 ( )×3 ＝ 18 ( )×5 ＝ 15</span><br><br><span>5×</span><span>( )＝30 6×( )＝36 ( )×2 ＝ 8</span><br><br><strong><span>6</span></strong><span>．</span><span>两个加数都是6</span><span>，</span><span>和是( )</span><span>，</span><span>两个乘数都是6</span><span>，</span><span>积是( )。</span><br><br><strong><span>二、小包公断案。(对的在括号里打“√”</span><span>，</span><span>错的打“×”)(每题1分</span><span>，</span><span>共5分)</span></strong><br><br><strong><span>1</span></strong><span>．</span><span>6与4的和是多少？写成：6×4＝20。( )</span><br><br><strong><span>2</span></strong><span>．</span><span>3个5相加。写成：3＋5＝8。( )</span><br><br><strong><span>3</span></strong><span>．</span><span>8＋4＋4＋6＋2＝4×6。( )</span><br><br><strong><span>4</span></strong><span>．</span><span>5乘2</span><span>，</span><span>写成：2×5。( )</span><br><br><strong><span>5</span></strong><span>．</span><span>一个乘数是3</span><span>，</span><span>另一个乘数是4</span><span>，</span><span>积是12。( )</span><br><br><strong><span>三、智慧眼选优。(把正确答案的序号填在括号里)(每题1分</span><span>，</span><span>共5分)</span></strong><br><br><strong><span>1</span></strong><span>．</span><span>积是4的算式( )。</span><br><br><span>A．2</span><span>＋2 B．1＋3 C．2×2</span><br><br><strong><span>2</span></strong><span>．</span><span>5＋6的得数( )5×6的得数。</span><br><br><span>A．</span><span>大于 B．小于 C．等于</span><br><br><strong><span>3</span></strong><span>．</span><span>在2×□＝6中</span><span>，□</span><span>里应该填( )。</span><br><br><span>A．12 B．3 C．4</span><br><br><strong><span>4</span></strong><span>．</span><span>用口诀“三四十二”计算的算式是( )。</span><br><br><span>A．3</span><span>＋4 B．4－3 C．3×4</span><br><br><strong><span>5</span></strong><span>．</span><span>4个6相加</span><span>，</span><span>列式错误的是( )。</span><br><br><span>A．4</span><span>＋6 B．6＋6＋6＋6 C．6×4</span><br><br><span><strong>四、小小会计师。(共28分)</strong></span><br><br><strong><span>1</span></strong><span>．</span><span>(14分)比一比。</span><br><br><span>6×5</span><span>＝ 4×5＝ 4×4＝ 4×3＝ </span><br><br><span>3×3</span><span>＝ </span><span> </span><span>2×6＝ </span><span> </span><span>18－10＝ </span><span> </span><span>5×5＝ </span><br><br><span>5×4</span><span>－7＝ </span><span> </span><span>3×6＋20＝ 5×5－5＝ </span><br><br><span>5×6</span><span>＋5＝ </span><span>4×3＋3＝ </span><span> </span><span>3×5－6＝ </span><br><br><strong><span>2</span></strong><span>．</span><span>(8分)看图列式计算。</span><br><br><img src="https://www.szxuexiao.com/uploadimages/2018/0719/201871911656.png?m=0.14028495766125282"><br><br><strong><span>3</span></strong><span>．</span><span>(6分)列式计算。</span><br><br><span>(1)6与6的积是多少？ (2)6个4相加是多少？</span><br><br><span>(3)一个乘数是6</span><span>，</span><span>另一个乘数是3</span><span>，</span><span>积是多少？</span><br><br><strong><span>五、小小操作手。(把算式表示的意思用自己喜欢的图形画一画)(每题2分</span><span>，</span><span>共4分)</span></strong><br><br><strong><span>1</span></strong><span>．</span><span>2×3</span><br><br><strong><span>2</span></strong><span>．</span><span>3×4</span><br><br><span><strong>六、生活百草园。(共26分)</strong></span><br><br><strong><span>1</span></strong><span>．</span><span>(3分)一只兔子采了4个蘑菇</span><span>，3</span><span>只兔子采了多少个蘑菇？</span><br><br><img src="https://www.szxuexiao.com/uploadimages/2018/0719/201871911823.png?m=0.057775611409562"><br><br><strong><span>2</span></strong><span>．</span><span>(3分)</span><br><br><strong><span>3</span></strong><span>．</span><span>(3分)二(1)班女生分成三个小组参加活动</span><span>，</span><span>第一小组有6人</span><span>，</span><span>第二小组有6人</span><span>，</span><span>第三小组还是6人。二(1)班一共有女生多少人？</span><br><br><strong><span>4</span></strong><span>．</span><span>(3分)一共多</span><span>少颗樱桃？</span><br><br><img src="https://www.szxuexiao.com/uploadimages/2018/0719/201871911934.png?m=0.6158159254176168"><br><br><strong><span>5</span></strong><span>．</span><span>(14分)</span><br><br><img src="https://www.szxuexiao.com/uploadimages/2018/0719/2018719111116.png?m=0.8915752029419635"><br><br><br><strong>智力冲浪</strong><br><br><span>(10分)剩下的气球比拿走的多多少个？</span><br><br><span><img src="https://www.szxuexiao.com/uploadimages/2018/0719/2018719111213.png?m=0.5056125905945457"> </span><br><br><span><br clear="all" style="page-break-before:always"><div style="text-align: center;"><strong><font color="#38761d">2018年小学二年级数学上册《第三单元》测试题参考答案</font></strong></div></span><br><span><strong>一、</strong></span><div><strong><span><br></span></strong></div><div><strong><span>1.</span></strong><span>3＋3＋3＋3＝12 3×4＝12 4×3＝12 6＋6＋6＝18 6×3＝18 3×6＝18</span></div><div><strong><span><br></span></strong></div><div><strong><span>2.</span></strong><span>(1)√ (2)√ (3)× (4)√ (5)× (6)√</span></div><div><strong><span><br></span></strong></div><div><strong><span>3.</span></strong><span>得六 三三 五</span><br><br><span>六 六七 三十 </span><strong><span>4.</span></strong><span>＝ ＝ ＝ ＝ ＞ ＜ </span><strong><span>5.</span></strong><span>6 6 3 6 6 4 </span><strong><span>6.</span></strong><span>12</span><br><br><span>36</span></div><div><span><br></span></div><div><span><strong>二、</strong></span></div><div><strong><span><br></span></strong></div><div><strong><span>1.</span></strong><span>× </span><strong><span>2.</span></strong><span>× </span><strong><span>3.</span></strong><span>√ </span><strong><span>4.</span></strong><span>× </span><strong><span>5.</span></strong><span>√</span></div><div><span><br></span></div><div><span><strong>三、</strong></span></div><div><strong><span><br></span></strong></div><div><strong><span>1.</span></strong><span>C </span><strong><span>2.</span></strong><span>B </span><strong><span>3.</span></strong><span>B </span><strong><span>4.</span></strong><span>C </span><strong><span>5.</span></strong><span>A</span><br><br><span><strong>四、</strong></span></div><div><strong><span><br></span></strong></div><div><strong><span>1.</span></strong><span>30 20 16 12 9 12 8 25 13 38 20 35 15 9</span></div><div><strong><span><br></span></strong></div><div><strong><span>2.</span></strong><span>4×2＝8(个) 5×4＝20(个) 4×4＋3＝19(个) 4×3＋1＝13(个)</span></div><div><strong><span><br></span></strong></div><div><strong><span>3.</span></strong><span>(1)6×6＝36 (2)6×4＝24 (3)6×3＝18</span></div><div><span><br></span></div><div><span><strong>五、</strong></span></div><div><strong><span><br></span></strong></div><div><strong><span>1.</span></strong><span>○○○ ○○○ 答案不唯一</span></div><div><strong><span><br></span></strong></div><div><strong><span>2.</span></strong><span>□□□□ □□□□ □□□□ 答案不唯一</span></div><div><span><br></span></div><div><span><strong>六、</strong></span></div><div><strong><span><br></span></strong></div><div><strong><span>1.</span></strong><span>3×4＝12(个)</span></div><div><strong><span><br></span></strong></div><div><strong><span>2.</span></strong><span>3×5＝15(个)</span></div><div><strong><span><br></span></strong></div><div><strong><span>3.</span></strong><span>6×3＝18(人)</span></div><div><strong><span><br></span></strong></div><div><strong><span>4.</span></strong><span>3×5＋4＝19(颗)</span></div><div><strong><span><br></span></strong></div><div><strong><span>5.</span></strong><span>(1)4×2＝8(元)</span><br><br><span>(2)6×2＋3＝15(元) (3)6×2＝12(元) 12＜20 够 20－12＝8(元)</span><br><br><span><br></span></div><div><span><strong>智力冲浪</strong></span></div><div><span><br></span></div><div><span>4×4－3＝13(个)</span><br><br></div>
二年级上