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小学数学8大巧算方法，让孩子计算速度提升10倍
时间：2018-07-05 16:00:03 下载该word文档
很多孩子抱怨小学数学的计算太难，其实，这只是孩子的计算没有掌握到一个简便方法，而且大多数孩子在平时的练习中都习惯依赖计算机，所以到了考试的时候就只能束手无策了。
那么，我们要如何才能提升孩子的计算能力呢？并且既能在提升速度的情况又能保证正确率呢？今天就和大家分享一份小学数学的计算方法，拿给孩子多加的练习，相信孩子的数学成绩一定会有非常大的提升。
1、“凑整”先算
![](https://wkrtcs.bdimg.com/rtcs/image?w=633.00&md5sum=47c39953660b289d0c299ff07d1a5e94&sign=73b3c72f00&rtcs_flag=2&rtcs_ver=3&l=webapp&bucketNum=100&ipr={"t":"img","r":"r_5","w":"633.00","h":"678.00","dataType":"jpeg","c":"word/media/image1.jpeg","imgOriW":633,"imgOriH":678})
2、改动运算挨次递次：在只要“+”、“-”号的稠浊算式中，运算挨次递次可改动
![](https://wkrtcs.bdimg.com/rtcs/image?w=633.00&md5sum=47c39953660b289d0c299ff07d1a5e94&sign=73b3c72f00&rtcs_flag=2&rtcs_ver=3&l=webapp&bucketNum=100&ipr={"t":"img","r":"r_5","w":"633.00","h":"513.00","dataType":"jpeg","c":"word/media/image2.jpeg","imgOriW":633,"imgOriH":513})
3、计较等差继续数的和
相邻的两个数的差都相等的一串数就叫等差继续数，又叫等差数列。
![](https://wkrtcs.bdimg.com/rtcs/image?w=633.00&md5sum=47c39953660b289d0c299ff07d1a5e94&sign=73b3c72f00&rtcs_flag=2&rtcs_ver=3&l=webapp&bucketNum=100&ipr={"t":"img","r":"r_5","w":"633.00","h":"678.00","dataType":"jpeg","c":"word/media/image3.jpeg","imgOriW":633,"imgOriH":678})
4、基准数法
![](https://wkrtcs.bdimg.com/rtcs/image?w=633.00&md5sum=47c39953660b289d0c299ff07d1a5e94&sign=73b3c72f00&rtcs_flag=2&rtcs_ver=3&l=webapp&bucketNum=100&ipr={"t":"img","r":"r_5","w":"633.00","h":"676.00","dataType":"jpeg","c":"word/media/image5.jpeg","imgOriW":633,"imgOriH":676})
5、加法中的巧算
![](https://wkrtcs.bdimg.com/rtcs/image?w=633.00&md5sum=47c39953660b289d0c299ff07d1a5e94&sign=73b3c72f00&rtcs_flag=2&rtcs_ver=3&l=webapp&bucketNum=100&ipr={"t":"img","r":"r_5","w":"633.00","h":"515.00","dataType":"jpeg","c":"word/media/image7.jpeg","imgOriW":633,"imgOriH":515})
6、减法中的巧算
![](https://wkrtcs.bdimg.com/rtcs/image?w=633.00&md5sum=47c39953660b289d0c299ff07d1a5e94&sign=73b3c72f00&rtcs_flag=2&rtcs_ver=3&l=webapp&bucketNum=100&ipr={"t":"img","r":"r_5","w":"633.00","h":"705.00","dataType":"jpeg","c":"word/media/image8.jpeg","imgOriW":633,"imgOriH":705})
7、加减稠浊式的巧算
![](https://wkrtcs.bdimg.com/rtcs/image?w=633.00&md5sum=47c39953660b289d0c299ff07d1a5e94&sign=73b3c72f00&rtcs_flag=2&rtcs_ver=3&l=webapp&bucketNum=100&ipr={"t":"img","r":"r_5","w":"633.00","h":"568.00","dataType":"jpeg","c":"word/media/image9.jpeg","imgOriW":633,"imgOriH":568})
8、除法及乘除稠浊运算中的巧算
![](https://wkrtcs.bdimg.com/rtcs/image?w=633.00&md5sum=47c39953660b289d0c299ff07d1a5e94&sign=73b3c72f00&rtcs_flag=2&rtcs_ver=3&l=webapp&bucketNum=100&ipr={"t":"img","r":"r_5","w":"633.00","h":"565.00","dataType":"jpeg","c":"word/media/image10.jpeg","imgOriW":633,"imgOriH":565})
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