First, cultivate students' interest in learning mathematics.
As the saying goes, "interest is the best teacher". Cleverly using it will make relatively boring mathematics learning lively and interesting, and let students learn with interest, thus getting twice the result with half the effort.
In order to make students feel fresh all the time, in teaching, calculation exercises can be designed as games, competitions, answering first, driving a train, listening to calculations, calculating orally in a limited time, editing calculation questions, playing cards, asking questions at the same table or group competitions to adjust students' appetite. So as to cultivate students' good will quality. Various forms of training make students with different levels and different foundations enhance their enthusiasm on their own basis, which plays a guarantee role in improving students' oral arithmetic level, entertaining and helping to enliven the classroom atmosphere.
Second, mastering basic knowledge is the premise of forming computing ability.
Compared with the calculation of senior one and senior two, the calculation of senior one and senior two is a one-step calculation, and you can decide right or wrong at once by oral calculation or even listening. But in the third grade, with the deepening of knowledge, students' knowledge has obviously become "difficult". For example, to calculate 56×86, they have to calculate it eight times to get the result, and two of these eight times can get the result. If they want to do well, they can't have the slightest. Therefore, the basic skills such as multiplication formula and addition and subtraction within 20 are particularly important. And the calculation must be clear. Multiply first, then merge, and you can't confuse them.
Practice has found that students should not be eager for success in teaching, but should be helped to organize the basic knowledge they have learned and deepen it by using migration.
Third, paying attention to basic training is the key to improve computing power.
1. Pay attention to oral arithmetic training and lay a solid foundation for calculation.
Oral calculation is a basic skill that students must master skillfully, and it is one of the most basic and important skills in mathematics learning. Oral arithmetic is related to whether you can successfully learn and master a series of contents such as multi-digit addition, subtraction, multiplication and division, decimal and fractional operations. Mathematics curriculum standards emphasize the importance of oral calculation in the first and second semesters. Therefore, primary school calculation teaching should pay special attention to oral calculation training.
For example, decomposition of numbers within 10, addition and subtraction of numbers within 20, multiplication and division in tables, etc. It should be blurted out, which plays a key role in improving the accuracy of calculation. Only by improving oral calculation skills can students be prompted to calculate correctly, quickly and flexibly.
2. Strengthen estimation training and develop students' thinking.
Estimation is an ability to approximate or roughly estimate the operation process or result. Estimation is helpful for students to find the deviation of their own problem-solving in time, rethink and calculate, thus improving their calculation ability. In teaching, teachers should teach students some estimation methods, so that students can form correct thinking methods and improve the accuracy of calculation.
3. Strengthening "Daily Practice" can encourage students to accumulate computing experience.
Daily oral calculation, proper amount of written calculation and comparative training can effectively promote students to accumulate computing experience and form skills.
Fourth, effective practice is a means to improve the computing ability.
In order to make students master computing skills and form computing ability, it is essential to strengthen practice. The exercises are divided into basic exercises and comprehensive exercises. The former is to help students consolidate new knowledge and form skills. The latter is to cultivate students' ability to use what they have learned flexibly to solve practical problems. Practice is not to make students do some repetitive and monotonous topics endlessly. In order to improve the efficiency of practice, the content of practice should be targeted, hierarchical and have a certain slope. The forms of exercises should be flexible and diverse, and interesting data and novel questions will stimulate students' interest in doing them. In a word, diversified exercises not only enrich the content and form of exercises, but also greatly mobilize the enthusiasm of students to participate in exercises, which plays a promoting role in improving students' computing ability.
5. Cultivating good computing habits is the guarantee of improving computing ability.
Good computing habits directly affect the formation and improvement of students' computing ability. "Never leave your fist, never leave your mouth". My practice is to arrange a certain number of calculation problems after class every day, so that students can finish them independently and pay attention to the cultivation of good calculation habits.
1. Let students form the habit of proofreading carefully. It is not bad to ask students to proofread the copied questions carefully, accurate to numbers and symbols.
2. Let students develop the habit of carefully examining questions. Ask students to see every data and operation symbol in the topic clearly, determine the operation order and choose a reasonable operation method.
3. Let the students form the habit of standardized writing. A standardized writing format can express students' operational ideas, calculation methods and steps, and prevent mistakes in writing numbers and operational symbols. Students are required to write neatly, with correct format, correct handwriting, no scribbling, no alteration, and keep their homework neat and beautiful. Teachers should also set an example for their students.
4. Let students form the habit of estimation and inspection. Teach them the methods of checking calculation and estimation, put forward strict requirements by taking checking calculation as an important link in the calculation process, and advocate using estimation to test the correctness of answers.
5. Let students form the habit of checking each other. Students are required to check each other's homework on the basis of self-examination after the homework is completed, and then submit it to the study leader for review, pointing out problems at any time, helping to analyze the causes of mistakes and correct them in time, thus forming the habit of consciously checking and correcting mistakes.
When cultivating students' good computing habits, teachers should be patient, unify methods and requirements, persevere and grasp it to the end.
Computer teaching is a long and complicated teaching process. Improving students' computing ability really doesn't happen overnight. It is necessary to do regular, planned, step-by-step and hierarchical teaching, which varies from person to person. Pay attention to speed in time, density in quantity, flexibility and novelty in form and content. Only when we teachers and students work together and persevere can we see results.