<strong><span>一、我会填</span><span style="方正楷体_GBK;;">(</span><span>17</span><span style="方正楷体_GBK;;">分</span><span style="方正楷体_GBK;;">)</span></strong><span></span><br><br><span>1</span><em><span>.</span></em><span>计量很短的时间</span><span>,</span><span>常用比分更小的单位</span><span>(</span><em><span> </span></em><span>)</span><span>。</span><span></span><br><br><span>2</span><em><span>.</span></em><span>秒针走一圈是</span><span>(</span><em><span> </span></em><span>)</span><span>秒</span><span>,</span><span>也就是</span><span>(</span><em><span> </span></em><span>)</span><span>分钟。</span><span></span><br><br><span>3</span><em><span>.</span></em><span>分针从</span><span>4</span><span>走到</span><span>9</span><span>,</span><span>走了</span><span>(</span><em><span> </span></em><span>)</span><span>分</span><span>,</span><span>时针从</span><span>4</span><span>走到</span><span>9</span><span>,</span><span>走了</span><span>(</span><em><span> </span></em><span>)</span><span>小时。</span><span></span><br><br><span>4</span><em><span>.</span></em><span>一节课</span><span>40</span><span>分钟</span><span>,</span><span>第一节课从</span><span>8</span><span>:</span><span>20</span><span>开始</span><span>,</span><span>应在</span><span>(</span><em><span> </span></em><span>)</span><span>下课。</span><span></span><br><br><span>5</span><em><span>.</span></em><span>480</span><span>分</span><span>=</span><span>(</span><em><span> </span></em><span>)</span><span>时</span><span>,</span><span>1</span><span>分</span><span>40</span><span>秒</span><span>=</span><span>(</span><em><span> </span></em><span>)</span><span>秒</span><span>,</span><span>480</span><span>秒</span><span>=</span><span>(</span><em><span> </span></em><span>)</span><span>分。</span><span></span><br><br><span>6</span><em><span>.</span></em><span>1</span><span>时</span><span>20</span><span>分</span><span>=</span><span>(</span><em><span> </span></em><span>)</span><span>分</span><span>,</span><span>230</span><span>秒</span><span>=</span><span>(</span><em><span> </span></em><span>)</span><span>分</span><span>(</span><em><span> </span></em><span>)</span><span>秒。</span><br><br><span>7</span><em><span>.</span></em><span>时针在</span><span>9</span><span>和</span><span>10</span><span>之间</span><span>,</span><span>分针指着</span><span>5</span><span>,</span><span>此时是</span><span>(</span><em><span> </span></em><span>)</span><span>时</span><span>(</span><em><span> </span></em><span>)</span><span>分。</span><span></span><br><br><span>8</span><em><span>.</span></em><span>在</span><span>50</span><span>米比赛中</span><span>,</span><span>小明用时</span><span>15</span><span>秒</span><span>,</span><span>小云用时</span><span>11</span><span>秒</span><span>,</span><span>小红用时</span><span>13</span><span>秒</span><span>,(</span><em><span> </span></em><span>)</span><span>是第一名</span><span>,(</span><em><span> </span></em><span>)</span><span>最慢</span><span>,</span><span>第二名是</span><span>(</span><em><span> </span></em><span>)</span><span>。</span><span></span><br><br><strong><span>二、我会判</span><span>(</span><span>正确的画“</span><span>√</span><span>”</span><span>,</span><span>错误的画“</span><span>✕</span><span>”</span><span>)</span><span style="方正楷体_GBK;;">(</span><span>10</span><span style="方正楷体_GBK;;">分</span><span style="方正楷体_GBK;;">)</span></strong><span></span><br><br><span>1</span><em><span>.</span></em><span>5</span><span>分</span><span>=500</span><span>秒。</span><span></span><span>(</span><em><span> </span></em><span>)</span><span></span><br><br><span>2</span><em><span>.</span></em><span>钟面上有三根针</span><span>,</span><span>最长的是时针</span><span>,</span><span>最短的是秒针。</span><span></span><span>(</span><em><span> </span></em><span>)</span><span></span><br><br><span>3</span><em><span>.</span></em><span>读完一篇</span><span>300</span><span>字的文章需要</span><span>1</span><span>小</span><span>时。</span><span></span><span>(</span><em><span> </span></em><span>)</span><span></span><br><br><span>4</span><em><span>.</span></em><span>秒针走一圈</span><span>,</span><span>分针走一大格。</span><span></span><span>(</span><em><span> </span></em><span>)</span><span></span><br><br><span>5</span><em><span>.</span></em><span>小丽</span><span>7</span><span>:</span><span>15</span><span>出发</span><span>,</span><span>7</span><span>:</span><span>35</span><span>到达学校</span><span>,</span><span>路上用了</span><span>20</span><span>分钟。</span><span></span><span>(</span><em><span> </span></em><span>)</span><span></span><br><br><strong><span>三、在</span><span>○</span><span>里填上“</span><span>></span><span>”“</span><span><</span><span>”或“</span><span>=</span><span>”</span><span style="方正楷体_GBK;;">(</span><span>9</span><span style="方正楷体_GBK;;">分</span><span style="方正楷体_GBK;;">)</span></strong><span></span><br><br><span>半小时</span><span>○</span><span>40</span><span>分</span><em><span> </span></em><span>6</span><span>分</span><span>○</span><span>60</span><span>秒</span><span></span><br><br><span>1</span><span>分</span><span>15</span><span>秒</span><span>○</span><span>75</span><span>秒</span><em> </em><span>2</span><span>时</span><span>10</span><span>分</span><span>○</span><span>100</span><span>分</span><span></span><br><br><span>3</span><span>时</span><span>○</span><span>300</span><span>秒</span><em> </em><span>90</span><span>分</span><span>○</span><span>1</span><span>时</span><span>30</span><span>分</span><span></span><br><br><span>250</span><span>分</span><span>○</span><span>4</span><span>时</span><em> </em><span>95</span><span>秒</span><span>- 35</span><span>秒</span><span>○</span><span>1</span><span>分</span><span></span><br><br><span>4</span><span>时</span><span>+1</span><span>时</span><span>○</span><span>300</span><span>分</span><span></span><br><br><strong><span>四、在</span><span>(</span><em><span> </span></em><span>)</span><span>里填上合适</span><span>的时间单位</span><span style="方正楷体_GBK;;">(</span><span>6</span><span style="方正楷体_GBK;;">分</span><span style="方正楷体_GBK;;">)</span></strong><span></span><br><br><span>1</span><em><span>.</span></em><span>一节课</span><span>40</span><span>(</span><em><span> </span></em><span>)</span><span>。 </span><span> </span><span>2</span><em><span>.</span></em><span>妈妈每天工作</span><span>8</span><span>(</span><em><span> </span></em><span>)</span><span>。</span><span></span><br><br><span>3</span><em><span>.</span></em><span>从家到学校大约需要</span><span>15</span><span>(</span><em><span> </span></em><span>)</span><span>。 </span><span> </span><span>4</span><em><span>.</span></em><span>小亮拍</span><span>10</span><span>下球用</span><span>7</span><span>(</span><em><span> </span></em><span>)</span><span>。</span><span></span><br><br><span>5</span><em><span>.</span></em><span>下一盘象棋大约要用</span><span>40</span><span>(</span><em><span> </span></em><span>)</span><span>。</span><span></span><br><br><span>6</span><em><span>.</span></em><span>拍</span><span>2</span><span>张照片用</span><span>2</span><span>(</span><em><span> </span></em><span>)</span><span>。</span><span></span><br><br><strong><span>五、我会写</span><span>,</span><span>写出每个钟面上的时间</span><span>,</span><span>并写一写它们经过的时间</span><span style="方正楷体_GBK;;">(</span><span>10</span><span style="方正楷体_GBK;;">分</span><span style="方正楷体_GBK;;">)</span></strong><span></span><br><br><img src="https://www.szxuexiao.com/uploadimages/2018/0808/20188811386.png?m=0.9117261329062989"><br><br><strong><span>六、解决问题</span><span style="方正楷体_GBK;;">(</span><span>48</span><span style="方正楷体_GBK;;">分</span><span style="方正楷体_GBK;;">)</span></strong><span></span><br><br><span>1</span><em><span>.</span></em><span>小丽星期天下午</span><span>3</span><span>:</span><span>30</span><span>到</span><span>4</span><span>:</span><span>10</span><span>写作业。</span><span style="方正楷体_GBK;;">(</span><span>10</span><span style="方正楷体_GBK;;">分</span><span style="方正楷体_GBK;;">)</span><span></span><br><br><span>(</span><span>1</span><span>)</span><span>她写作业一共用了多长时间</span><span>?</span><br><br><span>(</span><span>2</span><span>)</span><span>如果还要做</span><span>30</span><span>分钟</span><span>,</span><span>她应该是几时几分写完作业</span><span>?</span><br><br><span>2</span><em><span>.</span></em><span>一个钟表显示的时间是</span><span>7</span><span>:</span><span>30</span><span>,</span><span>它比准确时间慢了</span><span>6</span><span>分钟</span><span>,</span><span>你知道准确时间是几时几分吗</span><span>?</span><span style="方正楷体_GBK;;">(</span><span>5</span><span style="方正楷体_GBK;;">分</span><span style="方正楷体_GBK;;">)</span><br><br><span>3</span><em><span>.</span></em><span>淘气包感冒了</span><span>,</span><span>打针时需要做皮试</span><span>,</span><span>现在钟面上的时间如下图所示</span><span>,</span><span>做皮试需要</span><span>20</span><span>分钟</span><span>,</span><span>淘气包要到几时几分才能让医生看皮试结果</span><span>?</span><span style="方正楷体_GBK;;">(</span><span>5</span><span style="方正楷体_GBK;;">分</span><span style="方正楷体_GBK;;">)</span><span></span><br><br><img src="https://www.szxuexiao.com/uploadimages/2018/0808/201888113857.png?m=0.5572005262024562"><br><br><span>4</span><em><span>.</span></em><span>下面是同学们参加</span><span>50</span><span>米赛跑的成绩。</span><span style="方正楷体_GBK;;">(</span><span>10</span><span style="方正楷体_GBK;;">分</span><span style="方正楷体_GBK;;">)</span><div><br></div><div><img src="https://www.szxuexiao.com/uploadimages/2018/0808/20188811400.png?m=0.19776351497137856"><br></div><div><br></div><div><span style="">(1)</span><span style="">谁最快</span><span style="">?</span><span style="">谁最慢</span><span style="">?</span><br><br><span style="">(2)</span><span style="">最快的与最慢的相差几秒</span><span style="">?</span><span style=""></span><br><br><span>5</span><em><span>.</span></em><span>看表回答问题。</span><span style="方正楷体_GBK;;">(</span><span>18</span><span style="方正楷体_GBK;;">分</span><span style="方正楷体_GBK;;">)</span></div><div><br></div><div><img src="https://www.szxuexiao.com/uploadimages/2018/0808/201888114054.png?m=0.867474417136749"><br></div><div><br><span style="">(1)</span><span style="">一节课上多长时间</span><span style="">?</span><span style=""></span><br><br><span style="">(2)</span><span style="">第四节什么时间上课</span><span style="">?</span><span style=""></span><br><br><span>(</span><span>3</span><span>)</span><span>10</span><span>:</span><span>00</span><span>同学们在干什么</span><span>?</span><span></span><br><br><strong><span>★</span><span>附加题</span></strong><span></span><br><br><span>妈妈上班时从一楼到二楼用了</span><span>8</span><span>秒</span><span>,</span><span>照这样的速度</span><span>,</span><span>她从一楼上到五楼</span><span>,</span><span>一共要用</span><span>(</span><em><span> </span></em><span>)</span><span>秒。</span><span></span><br><br><br><div style="text-align: center;"><strong><font color="#38761d">2018年小学三年级数学上册《第一单元》测试题参考答案</font></strong></div><br><span>一、</span><span>1</span><em><span>.</span></em><span>秒</span><em><span> </span></em><span>2</span><em><span>.</span></em><span>60</span><em><span> </span></em><span>1</span><em><span> </span></em><span>3</span><em><span>.</span></em><span>25</span><em><span> </span></em><span>5</span><em><span> </span></em><span>4</span><em><span>.</span></em><span>9</span><span>:</span><span>00</span><em><span> </span></em><span>5</span><em><span>.</span></em><span>8</span><em><span> </span></em><span>100</span><em><span> </span></em><span>8</span><em><span> </span></em><span>6</span><em><span>.</span></em><span>80</span><em><span> </span></em><span>3</span><em><span> </span></em><span>50</span><em><span> </span></em><span>7</span><em><span>.</span></em><span>9</span><em><span> </span></em><span>25</span><em><span> </span></em><span>8</span><em><span>.</span></em><span>小云</span><em><span> </span></em><span>小明</span><em><span> </span></em><span>小红</span><span></span><br><br><span>二、</span><span>1</span><em><span>.</span></em><span>✕</span><em><span> </span></em><span>2</span><em><span>.</span></em><span>✕</span><em><span> </span></em><span>3</span><em><span>.</span></em><span>✕</span><em><span> </span></em><span>4</span><em><span>.</span></em><span>✕</span><em><span> </span></em><span>5</span><em><span>.</span></em><span>√</span><span></span><br><br><span>三、</span><span><</span><em><span> </span></em><span>></span><em><span> </span></em><span>=</span><em><span> </span></em><span>></span><em><span> </span></em><span>></span><em><span> </span></em><span>=</span><em><span> </span></em><span>></span><em><span> </span></em><span>=</span><em><span> </span></em><span>=</span><span></span><br><br><span>四、</span><span>1</span><em><span>.</span></em><span>分</span><em><span> </span></em><span>2</span><em><span>.</span></em><span>小时</span><em><span> </span></em><span>3</span><em><span>.</span></em><span>分</span><em><span> </span></em><span>4</span><em><span>.</span></em><span>秒</span><em><span> </span></em><span>5</span><em><span>.</span></em><span>分</span><em><span> </span></em><span>6</span><em><span>.</span></em><span>秒</span><span></span><br><br><img src="https://www.szxuexiao.com/uploadimages/2018/0808/201888114246.png?m=0.9932974243196466"><br><br><span>六、</span></div><div><span><br></span></div><div><span>1</span><em><span>.</span></em><span>(</span><span>1</span><span>)</span><span>4</span><span>时</span><span>10</span><span>分</span><span>- 3</span><span>时</span><span>30</span><span>分</span><span>=40</span><span>分</span><em><span> </span></em><span>(</span><span>2</span><span>)</span><span>4</span><span>时</span><span>10</span><span>分</span><span>+30</span><span>分</span><span>=4</span><span>时</span><span>40</span><span>分</span><em><span> </span></em></div><div><span><br></span></div><div><span>2</span><em><span>.</span></em><span>7</span><span>时</span><span>30</span><span>分</span><span>+6</span><span>分</span><span>=7</span><span>时</span><span>36</span><span>分</span><em><span> </span></em></div><div><span><br></span></div><div><span>3</span><em><span>.</span></em><span>3</span><span>时</span><span>45</span><span>分</span><span>+20</span><span>分</span><span>=4</span><span>时</span><span>5</span><span>分</span><em><span> </span></em></div><div><span><br></span></div><div><span>4</span><em><span>.</span></em><span>(</span><span>1</span><span>)</span><span>小东</span><em><span> </span></em><span>小强</span><em><span> </span></em><span>(</span><span>2</span><span>)</span><span>14- 9=5</span><span>(</span><span>秒</span><span>)</span><em><span> </span></em></div><div><span><br></span></div><div><span>5</span><em><span>.</span></em><span>(</span><span>1</span><span>)</span><span>40</span><span>分</span><em><span> </span></em><span>(</span><span>2</span><span>)</span><span>10</span><span>:</span><span>40</span><em><span> </span></em><span>(</span><span>3</span><span>)</span><span>上第三节课</span><br><br><span><strong>附加题</strong></span></div><div><span><br></span></div><div><span>32</span><span></span><br><br></div>
三年级上