[新人教版]数学教案一年级下册3 十几减几
<P align=center><B><FONT face=楷体_GB2312><FONT color=blue><FONT style="FONT-SIZE: 16pt">课题：十几减几</FONT></FONT></FONT></B></P>
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<P><FONT size=3><FONT face=黑体>教学目标</FONT><FONT face=宋体>：</FONT></FONT></P>
<P><FONT size=3> <FONT face="Times New Roman">1</FONT><FONT face=宋体>、理解“十几减几”的算理，学会“十几减几”的口算方法，正确计算“十几减几”的题目。</FONT></FONT></P>
<P><FONT size=3> <FONT face="Times New Roman">2</FONT><FONT face=宋体>、体验数学与生活的密切联系和探索学习的乐趣。</FONT></FONT></P>
<P><FONT size=3> <FONT face=黑体>教学重点</FONT><FONT face=宋体>：掌握十几减几的口算方法，正确地计算十几减几的题目。</FONT></FONT></P>
<P><FONT size=3> <FONT face=黑体>教学难点</FONT><FONT face=宋体>：能够运用多种方法进行口算并且正确率高</FONT></FONT></P>
<P><FONT size=3> <FONT face=黑体>教具准备</FONT><FONT face=宋体>：照例</FONT><FONT face="Times New Roman">2</FONT><FONT face=宋体>制作的“小猫钓鱼”动画课件。</FONT></FONT></P>
<P><FONT size=3> <FONT face=黑体>教学过程</FONT><FONT face=宋体>：</FONT></FONT></P>
<P><FONT size=3> <FONT face=宋体>一、复习旧知，沟通联系</FONT> </FONT></P>
<P><FONT size=3><FONT face=宋体>电脑出示口算：</FONT> <FONT face="Times New Roman">8</FONT><FONT face=宋体>＋</FONT><FONT face="Times New Roman">5</FONT><FONT face=宋体> </FONT><FONT face="Times New Roman">7+8</FONT><FONT face=宋体> </FONT><FONT face="Times New Roman">7+6</FONT><FONT face=宋体> </FONT><FONT face="Times New Roman">6+8</FONT><FONT face=宋体> </FONT><FONT face="Times New Roman">5+7</FONT><FONT face=宋体> </FONT> <FONT face="Times New Roman">5+9</FONT><FONT face=宋体> </FONT><FONT face="Times New Roman">13-9</FONT><FONT face=宋体> </FONT><FONT face="Times New Roman">16-9</FONT><FONT face=宋体> </FONT><FONT face="Times New Roman">18-9</FONT><FONT face=宋体> </FONT><FONT face="Times New Roman">15-9</FONT><FONT face=宋体> </FONT> <FONT face="Times New Roman">17-9</FONT><FONT face=宋体> </FONT><FONT face="Times New Roman">14-9</FONT> <FONT face=宋体>（全班齐练，集体订正）</FONT></FONT>
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