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【334439】2025三年级数学下册_整理与评价_2_小数的初步认识讲练_冀教版

时间:2025-02-14 19:35:10 作者: 字数:780字



2课时 小数的初步认识

1.计算题

10.47+8.95=
21.08-4.695=
15-5.05=

2.涂色表示下面各小数.
10.6
 <a href="/tags/15/" title="整理" class="c1" target="_blank">整理</a> <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/53/" title="认识" class="c1" target="_blank">认识</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/101/" title="小数" class="c1" target="_blank">小数</a> <a href="/tags/499/" title="评价" class="c1" target="_blank">评价</a>
21.4
 <a href="/tags/15/" title="整理" class="c1" target="_blank">整理</a> <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/53/" title="认识" class="c1" target="_blank">认识</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/101/" title="小数" class="c1" target="_blank">小数</a> <a href="/tags/499/" title="评价" class="c1" target="_blank">评价</a>

3.在直线上标出下面各数的位置.
0.1    0 0.4     0.35     0.03     0.19     0.21 <a href="/tags/15/" title="整理" class="c1" target="_blank">整理</a> <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/53/" title="认识" class="c1" target="_blank">认识</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/101/" title="小数" class="c1" target="_blank">小数</a> <a href="/tags/499/" title="评价" class="c1" target="_blank">评价</a>

4.小张,小李,小王三人称体重,小张和小李合称共重90.8千克,小王和小李合称共重88.5千克.求小张比小王重多少千克?

























答案

1.19.4216.3859.95

2.1

 <a href="/tags/15/" title="整理" class="c1" target="_blank">整理</a> <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/53/" title="认识" class="c1" target="_blank">认识</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/101/" title="小数" class="c1" target="_blank">小数</a> <a href="/tags/499/" title="评价" class="c1" target="_blank">评价</a>

2

 <a href="/tags/15/" title="整理" class="c1" target="_blank">整理</a> <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/53/" title="认识" class="c1" target="_blank">认识</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/101/" title="小数" class="c1" target="_blank">小数</a> <a href="/tags/499/" title="评价" class="c1" target="_blank">评价</a>

3

 <a href="/tags/15/" title="整理" class="c1" target="_blank">整理</a> <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/53/" title="认识" class="c1" target="_blank">认识</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/101/" title="小数" class="c1" target="_blank">小数</a> <a href="/tags/499/" title="评价" class="c1" target="_blank">评价</a>

4.2.3千克

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