Many teachers think that evaluation is a matter for China, and has nothing to do with mathematics. When correcting math homework, we usually use "√" and "×" to judge whether it is right or wrong, and use a percentage system or a hierarchical system to measure scores. This method plays a certain role in judging the correctness of students' problem-solving methods, determining the quality of students' academic performance and comparing the differences of students' learning ability. However, the form is monotonous and boring, lacking interactivity and motivation, and the evaluation results often have certain limitations. It is impossible to comprehensively evaluate a student's basic quality and learning potential, let alone communicate with students and narrow the distance between teachers and students. The learning ability and potential of primary school students are usually reflected in students' analytical methods, operational skills, completion process, behavior habits, adaptability, will quality and so on. The score reflects the above content weakly, and the comment can just make up for the deficiency of the score. Comment is an evaluation method of homework, which can silently give students appropriate encouragement, correct guidance and goodwill spur.

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First, guiding methods to guide students to self-correction

There are many reasons for making mistakes in math homework. Therefore, only marking with "√" or "×" will not have guiding significance for students to correct their mistakes, and may also cause a waste of time to find the cause of the mistakes, and it will not replace students to write the correct formula or results, resulting in students not observing and analyzing. When there are mistakes in students' homework, such as examination, observation, judgment, analysis and calculation, the teacher can make some prompt symbols in the wrong places, so that students can think for themselves and correct themselves. If "√" is used correctly, "×" is used wrongly, and "?" Used to understand mistakes. , calculation error with "!" Use "..." and so on where there are omissions, so that students can check the mistakes from these symbols, find out the reasons for the mistakes and correct them independently. Comments can also be used to guide students to review and check their own problem-solving process, find out the causes of mistakes and the correct problem-solving process, and let students understand the correct problem-solving methods. Comments such as "Find the quantitative relationship first", "Is the operation sequence right", "Look at the rules before doing it" and "How to do the second step" are actually pointing out the thinking route for students, and students will think and correct themselves under the teacher's prompt. According to the guidance, students not only find out where the mistakes are, but also know why they are wrong and how to correct them, and thoroughly grasp their weak links.

Second, warm the mind and enhance students' self-confidence.

Evaluation is not an end, but a means. Evaluation should pay attention not only to students' current learning situation, but also to their future development. Mr. Tao Xingzhi, a famous educator, said, "There is Watt under your pointer, Newton in your cold eyes and Edison in your ridicule." Therefore, the evaluation results should be incentive-oriented and have a development vision. When evaluating, teachers should try their best to find the bright spots of students from positive aspects, so as to encourage the expected comments to mobilize students' enthusiasm for learning, cultivate students' self-confidence and ignite the fire of students' continuous progress.

Appropriate comments can not only guide students' learning methods, but also stimulate students' interest in learning, strengthen their learning motivation and cultivate their self-confidence. For example, for some well-done exercise books, you might as well write "How clever! You must have a brilliant idea, because you are the pride of the teacher! " "That's great! Continue to praise talented students, but we can't ignore poor students. On the contrary, we should seize their bright spots and give them timely encouragement. For example, "make progress and keep working hard!" "Seeing your progress, the teacher is really happy for you, because you have worked hard." "You can do it, and the teacher believes you!" "As long as you put your heart into it, you can do nothing wrong" so that students can feel the teacher's concern and full of hope, thus gradually generating a strong interest in learning and enhancing their self-confidence in learning.

Third, broaden the thinking and activate students' thinking.

Homework comments should not only reflect the correctness of students' problem solving, but also give appropriate guidance on learning methods and pay attention to tapping students' intelligence factors. Through active guidance, students can broaden their thinking, develop their potential and activate their innovative consciousness. The famous educator Suhomlinski once said: "The joy of success is a huge emotional force and the driving force for continuing learning." This tells us that teachers should learn to appreciate students. In the comments on homework, we should be able to find the bright spots of students in time and give them encouragement and applause in time!

For example, "A store bought a batch of toys and a ball to go to 96 yuan, which used more 35 yuan than football and less 4 yuan than the total number of football and building blocks. How much did it cost to buy building blocks? " The general solution is 96+4-(96-35)=39 (yuan). In addition, a classmate wrote understanding 2: 4+35=39 (yuan). I drew a big "∞" next to this problem and wrote: "What a clever solution!" Especially for the problem of "multiple solutions to one problem", I use comments and "multiple solutions and wonderful methods" to affirm the uniqueness of my point of view. For some students who only use one method to solve one problem, write "Use your head and think about other solutions?" You must have a brilliant idea if you like to think! "Such comments have stimulated students' innovative consciousness, and students' innovative spirit has been affirmed, which has really stimulated the motivation of creative learning. In addition to the above comments, students often criticize concise comments such as "creative, clear thinking and willing to use their brains" in their homework. So as to affirm students' achievements, encourage progress, make students feel the joy of success and stimulate students' innovative thinking ability.

Fourth, be strict and cultivate study habits.

Correcting students' homework should not only judge right or wrong, understand students' cognitive level, but also pay attention to the evaluation of students' non-intellectual factors. Developing good study habits is the basis of mastering knowledge and cultivating ability, and it is the requirement of modern quality education.

Teachers strictly control students' homework writing, format and arithmetic process, which is an external standard to reflect good study habits. Pointing out the shortcomings in students' homework with appropriate comments in time can make students correct them quickly. For example, "You are smart. It would be better if you wrote better! " ""The result is correct, but the format is correct? " "Smart, you will find a simple way! "and so on. For students who make mistakes because of carelessness, I always affirm their strengths first, enhance their self-confidence, and then put forward ardent hopes, such as: "move your stumbling block-carelessness, forge ahead bravely!" " "Make friends with your heart!" "Your handwriting is really beautiful. It would be best if the accuracy can be improved! " Or "Be careful, be sure! "In this way, on the one hand, it will not dampen their self-confidence, on the other hand, it will help them correct their bad tendencies and cultivate a rigorous learning attitude.

Practice has proved that the proper use of comments in math homework correction has changed the rigidity and one-sidedness of a single hundred-point system or a fractional system. This paper makes a comprehensive evaluation of students' homework from the aspects of their problem-solving ideas, abilities, habits, emotions and qualities. It is conducive to promoting students' divergent thinking and forming innovative consciousness, more conducive to communicating the feelings between teachers and students, mobilizing students' enthusiasm for learning, promoting students to develop good study habits, building a spiritual bridge between teachers and students, and fully developing students' quality.