1、To study and implement the spirit of the two sessions is the primary political task of the educators in 2018. Through the study of the spirit of the two sessions, I have a profound awareness that the key to the prosperity and development of the country lies in the Party, and the key to the all-round
2、 rejuvenation of the nation lies in education. The two sessions were held on March 3, and the two sessions have attracted much attention. The Congress of democracy, unity, harmony, and pragmatism has determined the work of economic and social development in 2018, which is of great significance for f
3、urther promoting scientific development, promoting social harmony, and continuously opening up a new situation for the cause of socialism with Chinese characteristics. At present, the most important political task before us is to concentrate on the two Will spirit study well, carry out well. Reform
4、is still the focus of this years “two sessions.“ Our party should continue to deepen the reform in an all-round way and unswervingly go on, and promote the modernization of the national governance system and governance ability, which requires the Party to improve its governing ability and efficiency
5、 and raise its work level. The anti-corruption issue is also the focus of more efforts, because in the past year, our country has made great progress on the road of fighting corruption and promoting integrity, and has cracked down on many corrupt officials. To those who do not wholeheartedly for the
6、 welfare of the people of the government personnel heavy blow and warning. And it is precisely because of the vigorous administration of the party and the state that some public funds eat and drink. Corruption and other phenomena have mostly disappeared, so this years deep reform第一单元：负 数例 3用数轴表示负数To
7、 study and implement the spirit of the two sessions is the primary political task of the educators in 2018. Through the study of the spirit of the two sessions, I have a profound awareness that the key to the prosperity and development of the country lies in the Party, and the key to the all-round r
8、ejuvenation of the nation lies in education. The two sessions were held on March 3, and the two sessions have attracted much attention. The Congress of democracy, unity, harmony, and pragmatism has determined the work of economic and social development in 2018, which is of great significance for fur
9、ther promoting scientific development, promoting social harmony, and continuously opening up a new situation for the cause of socialism with Chinese characteristics. At present, the most important political task before us is to concentrate on the two Will spirit study well, carry out well. Reform is
10、 still the focus of this years “two sessions.“ Our party should continue to deepen the reform in an all-round way and unswervingly go on, and promote the modernization of the national governance system and governance ability, which requires the Party to improve its governing ability and efficiency a
11、nd raise its work level. The anti-corruption issue is also the focus of more efforts, because in the past year, our country has made great progress on the road of fighting corruption and promoting integrity, and has cracked down on many corrupt officials. To those who do not wholeheartedly for the w
12、elfare of the people of the government personnel heavy blow and warning. And it is precisely because of the vigorous administration of the party and the state that some public funds eat and drink. Corruption and other phenomena have mostly disappeared, so this years deep reform一、回顾旧知，导入新课1. 读出下面各数，说
13、一说哪些数是正数，哪些是负数。绿色圃中小学教育网 http:/www.L 8 3.6 0 5.5 100 902. 请你作记录。（ 1）如果小华家月收入 2500元记作 2500，那么他家这个月水、电、煤气支出 300元应记作（ ）元。（ 2）如果电梯上升 15层记作 15层，那么它下降 6层应记作 （ ）层。（ 3）如果进了 3个球记作 3，那么失了 2个球应记作（ ）。 300 6 2To study and implement the spirit of the two sessions is the primary political task of the educators in
14、2018. Through the study of the spirit of the two sessions, I have a profound awareness that the key to the prosperity and development of the country lies in the Party, and the key to the all-round rejuvenation of the nation lies in education. The two sessions were held on March 3, and the two sessio
15、ns have attracted much attention. The Congress of democracy, unity, harmony, and pragmatism has determined the work of economic and social development in 2018, which is of great significance for further promoting scientific development, promoting social harmony, and continuously opening up a new sit
16、uation for the cause of socialism with Chinese characteristics. At present, the most important political task before us is to concentrate on the two Will spirit study well, carry out well. Reform is still the focus of this years “two sessions.“ Our party should continue to deepen the reform in an al
17、l-round way and unswervingly go on, and promote the modernization of the national governance system and governance ability, which requires the Party to improve its governing ability and efficiency and raise its work level. The anti-corruption issue is also the focus of more efforts, because in the p
18、ast year, our country has made great progress on the road of fighting corruption and promoting integrity, and has cracked down on many corrupt officials. To those who do not wholeheartedly for the welfare of the people of the government personnel heavy blow and warning. And it is precisely because o
19、f the vigorous administration of the party and the state that some public funds eat and drink. Corruption and other phenomena have mostly disappeared, so this years deep reform一、回顾旧知，导入新课负数能在数轴上表示出来吗？ 3. 下面的括号里应该填几，你是怎么想的？绿色圃中小学教育网 http:/www.L0 （ ） 1 （ ） （ ） （ ） （ ） 2 3To study and implement the spi
20、rit of the two sessions is the primary political task of the educators in 2018. Through the study of the spirit of the two sessions, I have a profound awareness that the key to the prosperity and development of the country lies in the Party, and the key to the all-round rejuvenation of the nation li
21、es in education. The two sessions were held on March 3, and the two sessions have attracted much attention. The Congress of democracy, unity, harmony, and pragmatism has determined the work of economic and social development in 2018, which is of great significance for further promoting scientific de
22、velopment, promoting social harmony, and continuously opening up a new situation for the cause of socialism with Chinese characteristics. At present, the most important political task before us is to concentrate on the two Will spirit study well, carry out well. Reform is still the focus of this yea
23、rs “two sessions.“ Our party should continue to deepen the reform in an all-round way and unswervingly go on, and promote the modernization of the national governance system and governance ability, which requires the Party to improve its governing ability and efficiency and raise its work level. The
24、 anti-corruption issue is also the focus of more efforts, because in the past year, our country has made great progress on the road of fighting corruption and promoting integrity, and has cracked down on many corrupt officials. To those who do not wholeheartedly for the welfare of the people of the
25、government personnel heavy blow and warning. And it is precisely because of the vigorous administration of the party and the state that some public funds eat and drink. Corruption and other phenomena have mostly disappeared, so this years deep reform1、 创设情境二、创设情境，学习新知小红 小明 小丽 小东上图中的四个同学以大树为起点，分别向东、西
26、两个相反的方向走。如何在一条直线上表示它们行走的距离和方向呢？绿色圃中小学教育网 http:/www.LTo study and implement the spirit of the two sessions is the primary political task of the educators in 2018. Through the study of the spirit of the two sessions, I have a profound awareness that the key to the prosperity and development of the cou
27、ntry lies in the Party, and the key to the all-round rejuvenation of the nation lies in education. The two sessions were held on March 3, and the two sessions have attracted much attention. The Congress of democracy, unity, harmony, and pragmatism has determined the work of economic and social devel
28、opment in 2018, which is of great significance for further promoting scientific development, promoting social harmony, and continuously opening up a new situation for the cause of socialism with Chinese characteristics. At present, the most important political task before us is to concentrate on the
29、 two Will spirit study well, carry out well. Reform is still the focus of this years “two sessions.“ Our party should continue to deepen the reform in an all-round way and unswervingly go on, and promote the modernization of the national governance system and governance ability, which requires the P
30、arty to improve its governing ability and efficiency and raise its work level. The anti-corruption issue is also the focus of more efforts, because in the past year, our country has made great progress on the road of fighting corruption and promoting integrity, and has cracked down on many corrupt o
31、fficials. To those who do not wholeheartedly for the welfare of the people of the government personnel heavy blow and warning. And it is precisely because of the vigorous administration of the party and the state that some public funds eat and drink. Corruption and other phenomena have mostly disapp
32、eared, so this years deep reformTo study and implement the spirit of the two sessions is the primary political task of the educators in 2018. Through the study of the spirit of the two sessions, I have a profound awareness that the key to the prosperity and development of the country lies in the Par
33、ty, and the key to the all-round rejuvenation of the nation lies in education. The two sessions were held on March 3, and the two sessions have attracted much attention. The Congress of democracy, unity, harmony, and pragmatism has determined the work of economic and social development in 2018, whic
34、h is of great significance for further promoting scientific development, promoting social harmony, and continuously opening up a new situation for the cause of socialism with Chinese characteristics. At present, the most important political task before us is to concentrate on the two Will spirit stu
35、dy well, carry out well. Reform is still the focus of this years “two sessions.“ Our party should continue to deepen the reform in an all-round way and unswervingly go on, and promote the modernization of the national governance system and governance ability, which requires the Party to improve its
36、governing ability and efficiency and raise its work level. The anti-corruption issue is also the focus of more efforts, because in the past year, our country has made great progress on the road of fighting corruption and promoting integrity, and has cracked down on many corrupt officials. To those w
37、ho do not wholeheartedly for the welfare of the people of the government personnel heavy blow and warning. And it is precisely because of the vigorous administration of the party and the state that some public funds eat and drink. Corruption and other phenomena have mostly disappeared, so this years
38、 deep reform小红 小明 小丽 小东（ 1）从图中你能知道哪些信息？要解决的问题是什么？ （ 3）要求：请你先独立完成，然后在小组内交流。 （ 2）你能试着在一条直线上表示他们行走后的情况吗？ 2、 理解信息，明确要求二、创设情境，学习新知To study and implement the spirit of the two sessions is the primary political task of the educators in 2018. Through the study of the spirit of the two sessions, I have a pro
39、found awareness that the key to the prosperity and development of the country lies in the Party, and the key to the all-round rejuvenation of the nation lies in education. The two sessions were held on March 3, and the two sessions have attracted much attention. The Congress of democracy, unity, har
40、mony, and pragmatism has determined the work of economic and social development in 2018, which is of great significance for further promoting scientific development, promoting social harmony, and continuously opening up a new situation for the cause of socialism with Chinese characteristics. At pres
41、ent, the most important political task before us is to concentrate on the two Will spirit study well, carry out well. Reform is still the focus of this years “two sessions.“ Our party should continue to deepen the reform in an all-round way and unswervingly go on, and promote the modernization of th
42、e national governance system and governance ability, which requires the Party to improve its governing ability and efficiency and raise its work level. The anti-corruption issue is also the focus of more efforts, because in the past year, our country has made great progress on the road of fighting c
43、orruption and promoting integrity, and has cracked down on many corrupt officials. To those who do not wholeheartedly for the welfare of the people of the government personnel heavy blow and warning. And it is precisely because of the vigorous administration of the party and the state that some publ
44、ic funds eat and drink. Corruption and other phenomena have mostly disappeared, so this years deep reform交流：说一说你是怎样做的。 （ 1）先画一条直线，确定好起点、方向和单位长度。 总结： 4 3 2 1 0 1 2 3 4小红 小明 小丽 小东3、 交流方法，学习新知绿色圃中小学教育网 http:/www.L二、创设情境，学习新知（ 2）在直线上确定大树和学生们的位置。 （ 3）在直线上表示出 0、各个正数和负数。 用有正数和负数的直线可以表示距离和相反的方向。像这样在直线上表示出 0
45、、正数和负数的数线叫数轴。 To study and implement the spirit of the two sessions is the primary political task of the educators in 2018. Through the study of the spirit of the two sessions, I have a profound awareness that the key to the prosperity and development of the country lies in the Party, and the key to
46、 the all-round rejuvenation of the nation lies in education. The two sessions were held on March 3, and the two sessions have attracted much attention. The Congress of democracy, unity, harmony, and pragmatism has determined the work of economic and social development in 2018, which is of great sign
47、ificance for further promoting scientific development, promoting social harmony, and continuously opening up a new situation for the cause of socialism with Chinese characteristics. At present, the most important political task before us is to concentrate on the two Will spirit study well, carry out
48、 well. Reform is still the focus of this years “two sessions.“ Our party should continue to deepen the reform in an all-round way and unswervingly go on, and promote the modernization of the national governance system and governance ability, which requires the Party to improve its governing ability
49、and efficiency and raise its work level. The anti-corruption issue is also the focus of more efforts, because in the past year, our country has made great progress on the road of fighting corruption and promoting integrity, and has cracked down on many corrupt officials. To those who do not wholeheartedly for the welfare of the people of the government personnel heavy blow and warning. And it is precisely because of the vigorous administration of the party and the state that some public funds eat and dri
