最新十几减9练习题讲课教案.ppt

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1、十几减9练习课__________________________________________________一、在括号里填上适当的数13-9＝10111-9＝1018-9＝1016-9＝1011281961734__________________________________________________9+4=13－9=1349+5=1414－9=5__________________________________________________二、多种练习，巩固算法________________________________________________________

2、____________________________________________3__________________________________________________1__________________________________________________5__________________________________________________9__________________________________________________2__________________________________________________1

3、0__________________________________________________7__________________________________________________4__________________________________________________8__________________________________________________6__________________________________________________二、多种练习，巩固算法8＋917_____________________________

4、_____________________二、多种练习，巩固算法____________________________________________________________________________________________________思考题1.__________________________________________________2.__________________________________________________2、在括号里填上适当的数（）+9=129+（）=1212–9=（）（）+9=139+（）=1313–9=（）5+()=14

5、9+（）=14()–9=515-9=()()+9=156+()=153334449514669__________________________________________________11－9=212－9=313－9=414－9=515－9=616－9=717－9=818－9=9__________________________________________________11－9=212－9=313－9=414－9=515－9=616－9=717－9=818－9=9__________________________________________________11－912－

6、913－914－915－916－917－918－9=2=4=6=8=3=5=7=9跳木桩__________________________________________________5、11－9=14－9=18－10=15－5=12－9=17－4=17－9=19－9=16－2=__________________________________________________作业：第11页练习二，第5题、第7题。三、布置作业再见__________________________________________________