These are the basis of the subject, by replacing the base and negative index, let students edges listen while practicing, assessment practice combined, enable students to thoroughly master the method. Other topics such assessment, the key is to speak through the assessment, allowing students to forget the knowledge or not knowledge can really grasp firmly. This model, although time-consuming, but the results are good, highlights the the rating stresses the role to a greater extent, with immediate effect. "A bunch of students to help students, teacher classroom assessment stresses, and then arrange the" good poor "students are paired, by good students to help the middle and lower raw explain yet understand the topic, both for students solve the problem, but also enhance the unity and cooperation among students, students interactive ability to cooperate.

The assessment stresses to be error-prone for students more mistakes topics, typically appear in the papers, or certain kinds of questions, focused, go into detail, difficulty, do not cover everything. We should focus mainly knowledge complete system overview, let the students know what knowledge, what way of thinking to solve what problems digging the root cause to dissect the cause of the error, a definite purpose, all broken up. The same time, teach not just "throw" should "entice" students "into submission" grasp this opportunity to be puzzled promote its thinking like a bow and arrow on the string, ready to go. Teachers from coaching, it enlightened, to achieve the effect of "stoning water transit", "vista" joy. Follows questions:

Links in the diameter of the free paper for download http://eng.hi138.com

Question a lot of the middle and lower raw may not do, the main reason is not for the auxiliary line (link BD reviews when the teacher first for prompt link BD (coaching, and then let the students independent thinking, self-correct errors. Then let students Reviews solving ideas, examine what knowledge when students indulge in the joy, teachers ask students there are other ways? If no students think of other methods, the teacher may be prompted to link OD, OD is what line students are very Lenovo will soon be to use the the triangle median line theorem to prove after coaching, the students have mastered the problem-solving approach, the review concluded, again stressed: Often the case diameter auxiliary line on the circumference of the structure diameter angle is a right angle.

Through targeted reviews, so that students self-examination and found the crux encourage questioning, multi-angle to guide students to consider the issue, both students innovative spirit, and also enhance the students' interest in learning, it is more important to enable students to understand the problem-solving approach, to answer similar questions in the future will be able to hand.

So intrinsically linked to the use of knowledge to make appropriate changes in question exercises to guide students to actively participate in the generalization of new knowledge, to promote the migration of knowledge, students learn by analogy, the analogy of the ability to innovate in order to play the true role of evaluation about.

Master the problem-solving ideas and learn math, a test paper, a type of subject, from a different point of knowledge to compile the different topics to different problem-solving methods. << Round >> chapter, find the radius of the circle. Common (1 apply vertical diameter theorem, the radius of the Pythagorean demand, (2 seeking the radius of the right-angled triangle circumcircle; (3 evaluated the the triangle inscribed circle radius; (4 using tangential nature Theorem, the Pythagorean seeking radius; (5 round with triangular or quadrangular comprehensive assessment stresses, if happens to be the topic of the radius of the circle are asking the above questions are grouped together and build the kinds of questions seeking the radius of the circle and its corresponding so by analogy, induction, training students' innovative migration, geographic clear all kinds of questions students will be better problem-solving ideas, and easier to grasp the problem-solving method, reached the heart is not chaos, have learned to use.

In the context of new courses, papers ratings say is an essential link in the process of teaching, to Shanghao papers ratings lectures seemed like an important, we must constantly sum up experience and lessons in teaching practice, to the new curriculum requirements as the guiding ideology, and constantly ways and means to improve papers ratings speak, prominent student student autonomy and pragmatic nature, and so are of great significance to improve the quality of teaching and the promotion of new teaching reform. Links to free papers Download Center http://eng.hi138.com

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