习题精选
1．看图写数。
![](https://wkrtcs.bdimg.com/rtcs/image?w=555&md5sum=f26c851622de38309debe6f88640ec02&sign=a8d1765505&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=28&ipr={"t":"img","w":"555","h":"127","dataType":"png","c":"word/media/image1.png","imgOriW":470,"imgOriH":108})
2．画一画。
![](https://wkrtcs.bdimg.com/rtcs/image?w=526&md5sum=f26c851622de38309debe6f88640ec02&sign=a8d1765505&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=28&ipr={"t":"img","w":"526","h":"108","dataType":"png","c":"word/media/image2.png","imgOriW":470,"imgOriH":96})
3．写出12到20各数。
![](https://wkrtcs.bdimg.com/rtcs/image?w=470&md5sum=f26c851622de38309debe6f88640ec02&sign=a8d1765505&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=28&ipr={"t":"img","w":"470","h":"58","dataType":"jpeg","c":"word/media/image3.png","imgOriW":1469,"imgOriH":180})
4．按顺序排一排。
![](https://wkrtcs.bdimg.com/rtcs/image?w=408&md5sum=f26c851622de38309debe6f88640ec02&sign=a8d1765505&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=28&ipr={"t":"img","w":"408","h":"141","dataType":"jpeg","c":"word/media/image4.png","imgOriW":911,"imgOriH":315})
5．想一想。
![](https://wkrtcs.bdimg.com/rtcs/image?w=436&md5sum=f26c851622de38309debe6f88640ec02&sign=a8d1765505&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=28&ipr={"t":"img","w":"436","h":"40","dataType":"png","c":"word/media/image5.png","imgOriW":349,"imgOriH":32})
（1）一共有（ ）张数字卡片。
（2）把数字最大的圈起来。
（3）左起第4张是（ ）。
6．比一比。
![](https://wkrtcs.bdimg.com/rtcs/image?w=360&md5sum=f26c851622de38309debe6f88640ec02&sign=a8d1765505&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=28&ipr={"t":"img","w":"360","h":"122","dataType":"png","c":"word/media/image6.png","imgOriW":305,"imgOriH":103})
15○19 13○17 20○16 18○18
7．涂一涂。
![](https://wkrtcs.bdimg.com/rtcs/image?w=510&md5sum=f26c851622de38309debe6f88640ec02&sign=a8d1765505&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=28&ipr={"t":"img","w":"510","h":"297","dataType":"png","c":"word/media/image7.png","imgOriW":451,"imgOriH":263})
8．找朋友。
![](https://wkrtcs.bdimg.com/rtcs/image?w=469&md5sum=f26c851622de38309debe6f88640ec02&sign=a8d1765505&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=28&ipr={"t":"img","w":"469","h":"193","dataType":"png","c":"word/media/image8.png","imgOriW":404,"imgOriH":166})
9．争分夺秒算一算。
20－10＝ 0＋2＝ 6＋10＝
15－5＝ 14－10＝ 10＋8＝
5＋10＝ 17－7＝ 11－10＝
3＋10＝ 12＋3＝ 15－3＝
11＋7＝ 16－2＝ 15－1＝
13－2＋4＝ 18－10＋2＝
4－1＋12＝ 9－7＋14＝
6＋4＋10＝ 14＋6－8＝
7－2＋5＝ 10－4＋11＝
10．列式解答。
（1）两个加数都是10，和是多少？
（2）减数是6，被减数是16，差是多少？
11．比一比。
![](https://wkrtcs.bdimg.com/rtcs/image?w=533&md5sum=f26c851622de38309debe6f88640ec02&sign=a8d1765505&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=28&ipr={"t":"img","w":"533","h":"269","dataType":"jpeg","c":"word/media/image9.png","imgOriW":1548,"imgOriH":751})
12．做一做。
![](https://wkrtcs.bdimg.com/rtcs/image?w=531&md5sum=f26c851622de38309debe6f88640ec02&sign=a8d1765505&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=28&ipr={"t":"img","w":"531","h":"176","dataType":"jpeg","c":"word/media/image10.png","imgOriW":1455,"imgOriH":482})
13．画箭头：先看看后面方框的第一个数，与前面方框里计算结果有什么关系，再接着往下画“→”。
![](https://wkrtcs.bdimg.com/rtcs/image?w=457&md5sum=f26c851622de38309debe6f88640ec02&sign=a8d1765505&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=28&ipr={"t":"img","w":"457","h":"162","dataType":"jpeg","c":"word/media/image11.png","imgOriW":915,"imgOriH":325})
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