第十一周辅导作业
一、计算。
![](https://wkrtcs.bdimg.com/rtcs/image?w=16&md5sum=cd529f725fc92841f7009bb51af09cbe&sign=4d89331f5f&rtcs_flag=1&rtcs_ver=4&l=webapp&bucketNum=253&ipr={"t":"img","w":"16","h":"43","c":"72f315faebdd4f617b94fd6dd2a3f9c3.png"})
![](https://wkrtcs.bdimg.com/rtcs/image?w=16&md5sum=cd529f725fc92841f7009bb51af09cbe&sign=4d89331f5f&rtcs_flag=1&rtcs_ver=4&l=webapp&bucketNum=253&ipr={"t":"img","w":"16","h":"43","c":"2f16b1f76b25b222bcf026121a1b8fc1.png"})
二、填空。
1、把20个桃平均分成4份，每份是这些桃的![](https://wkrtcs.bdimg.com/rtcs/image?w=72&md5sum=cd529f725fc92841f7009bb51af09cbe&sign=4d89331f5f&rtcs_flag=1&rtcs_ver=4&l=webapp&bucketNum=253&ipr={"t":"img","w":"72","h":"44","c":"3f11031576b73fe3b602481f4ab62353.png"})
2、1角是1元的
3、3分米=
4、9支钢笔的![](https://wkrtcs.bdimg.com/rtcs/image?w=16&md5sum=cd529f725fc92841f7009bb51af09cbe&sign=4d89331f5f&rtcs_flag=1&rtcs_ver=4&l=webapp&bucketNum=253&ipr={"t":"img","w":"16","h":"43","c":"fc24136fb5510916d7bdb5d4daa9220d.png"})
第十二周辅导作业
1、在括号里填上合适 单位名称。
一枚邮票面积约是4（ ）；
数学书封面的面积约是3（ ）
一幢楼房高20（ ），占地600（ ）。
2、填一填。
一堆小棒36根。
（1）这堆小棒的![](https://wkrtcs.bdimg.com/rtcs/image?w=16&md5sum=cd529f725fc92841f7009bb51af09cbe&sign=4d89331f5f&rtcs_flag=1&rtcs_ver=4&l=webapp&bucketNum=253&ipr={"t":"img","w":"16","h":"43","c":"7964c6a339acf2ddea25a5ef0552b97e.png"})
（2）这堆小棒的![](https://wkrtcs.bdimg.com/rtcs/image?w=16&md5sum=cd529f725fc92841f7009bb51af09cbe&sign=4d89331f5f&rtcs_flag=1&rtcs_ver=4&l=webapp&bucketNum=253&ipr={"t":"img","w":"16","h":"43","c":"6ca8c824c79dbb80005f071431350618.png"})
（3）这堆小棒的![](https://wkrtcs.bdimg.com/rtcs/image?w=16&md5sum=cd529f725fc92841f7009bb51af09cbe&sign=4d89331f5f&rtcs_flag=1&rtcs_ver=4&l=webapp&bucketNum=253&ipr={"t":"img","w":"16","h":"43","c":"6c2e3e2e98abd1fd9a66519db9da8d90.png"})
（4）这堆小棒的![](https://wkrtcs.bdimg.com/rtcs/image?w=16&md5sum=cd529f725fc92841f7009bb51af09cbe&sign=4d89331f5f&rtcs_flag=1&rtcs_ver=4&l=webapp&bucketNum=253&ipr={"t":"img","w":"16","h":"43","c":"0375c8978fffc23854f4a4391e070bfd.png"})
3、看图计算下面每个图形的周长和面积。
![](https://wkrtcs.bdimg.com/rtcs/image?w=276.00&md5sum=cd529f725fc92841f7009bb51af09cbe&sign=4d89331f5f&rtcs_flag=1&rtcs_ver=4&l=webapp&bucketNum=253&ipr={"t":"img","r":"r_2","w":"276.00","h":"64.00","dataType":"gif","c":"word/media/image22.gif"})
19米 18分米
36米
第十三周辅导作业
一、填空。
5平方米=（ ）平方分米
2分米=（ ）厘米
1200平方厘米=（ ）平方分米
4000平方分米=（ ）平方米
100平方分米=（ ）平方米=（ ）平方厘米
二、一箱苹果30个，小明吃了这箱苹果的![](https://wkrtcs.bdimg.com/rtcs/image?w=16&md5sum=cd529f725fc92841f7009bb51af09cbe&sign=4d89331f5f&rtcs_flag=1&rtcs_ver=4&l=webapp&bucketNum=253&ipr={"t":"img","w":"16","h":"43","c":"22417f146ced89939510e270d4201b28.png"})
三、一张书桌面长12分米，宽5分米。这张书桌的面积是多少平方分米？合多少平方厘米？
第十四周辅导作业
一、先在下面的图中分一分，再计算。
![](https://wkrtcs.bdimg.com/rtcs/image?w=16&md5sum=cd529f725fc92841f7009bb51af09cbe&sign=4d89331f5f&rtcs_flag=1&rtcs_ver=4&l=webapp&bucketNum=253&ipr={"t":"img","w":"16","h":"43","c":"aff3f1bf7f54bdaacefc2e773563eadb.png"})
![](https://wkrtcs.bdimg.com/rtcs/image?w=16&md5sum=cd529f725fc92841f7009bb51af09cbe&sign=4d89331f5f&rtcs_flag=1&rtcs_ver=4&l=webapp&bucketNum=253&ipr={"t":"img","w":"16","h":"43","c":"55a7de321f8aeaa3ec0c6d68ad4ceccf.png"})
![](https://wkrtcs.bdimg.com/rtcs/image?w=16&md5sum=cd529f725fc92841f7009bb51af09cbe&sign=4d89331f5f&rtcs_flag=1&rtcs_ver=4&l=webapp&bucketNum=253&ipr={"t":"img","w":"16","h":"43","c":"f490e2b279d0d9f8bf52c59eeea8bed8.png"})
二、张小华有一盒36色的蜡笔，已经用去这盒蜡笔的![](https://wkrtcs.bdimg.com/rtcs/image?w=16&md5sum=cd529f725fc92841f7009bb51af09cbe&sign=4d89331f5f&rtcs_flag=1&rtcs_ver=4&l=webapp&bucketNum=253&ipr={"t":"img","w":"16","h":"43","c":"2c35e9de94cc93eee2fd4bd4b866dcfd.png"})
第十五周辅导作业
一、填空。
1、小芳做幸运星，做了6个红色的，3个蓝色的，还有一个绿色的。红色幸运星占总数的
2、把一张长方形纸对折3次，平均分成( )份，每份是这个长方形的
二、解决问题。
1、商店调进65台电脑，已经出售
2．张大妈养鸡400只，其中大鸡占![](https://wkrtcs.bdimg.com/rtcs/image?w=16&md5sum=cd529f725fc92841f7009bb51af09cbe&sign=4d89331f5f&rtcs_flag=1&rtcs_ver=4&l=webapp&bucketNum=253&ipr={"t":"img","w":"16","h":"43","c":"0580caa35cb38096c461dc12b333d6da.png"})
（1） 大鸡有多少只？
（2）小鸡比大鸡多多少只？
第十六周辅导作业
一、用竖式计算。
47×13= 234÷3=
验
算
310÷7= 65×18
验
算
二、解决问题。
小红和小芳用一根100厘米长的绸带做中国结，小芳用去了这根绸带的![](https://wkrtcs.bdimg.com/rtcs/image?w=16&md5sum=cd529f725fc92841f7009bb51af09cbe&sign=4d89331f5f&rtcs_flag=1&rtcs_ver=4&l=webapp&bucketNum=253&ipr={"t":"img","w":"16","h":"43","c":"463e10b4289d71d8f76004d317ee77b5.png"})
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