ability of mental arithmetic

Fast mental arithmetic —— (mental arithmetic, oral arithmetic and written arithmetic) is a teaching mode that is really synchronized with primary school mathematics textbooks.

Fast center is the only way to perform simple operations without any physical objects, abacus, fingers, chessboard and charts.

The arrangement and difficulty of the textbook "Fast Mental Arithmetic" is a fast calculation that closely follows the syllabus of primary school mathematics and integrates with junior high school algebra, which is simpler than the primary school textbook. Simplify written calculation and strengthen oral calculation. It is simple, easy to learn and interesting. After a short period of training, primary school students can write answers directly by adding, subtracting, multiplying and dividing, not vertically.

Special effect of quick mental arithmetic

I have learned all the multiplication, division, addition and subtraction of any multi-digit number above grade three.

Addition and subtraction of high two digits, multiplication of two digits, division of one digit.

First grade, multi-digit addition and subtraction.

In kindergarten, children in large classes can learn to add and subtract numbers, carry and add numbers, such as 5869+35 16, and abdicate numbers, such as 8 185-6938. Tailor-made for preschool children, and pass the primary school oral calculation in advance. It is helpful for children to learn mental arithmetic quickly in kindergarten to go to primary school in the future.

Children no longer use draft paper to do their homework, but write answers directly.

Fast mental arithmetic is different from abacus mental arithmetic and palm mental arithmetic. Fast mental arithmetic invented by Xi 'an teacher Niu Hongwei. (Teacher Niu Hongwei obtained the patent certificates issued by People's Republic of China (PRC) and China National Intellectual Property Administration. Patent number; ZL200830 1 174275。 Protected by the Patent Law of People's Republic of China (PRC). ), mainly through certain rules in the textbook, the children are trained in fast operation of addition, subtraction, multiplication and division. "Quick mental arithmetic" is helpful to improve the order, logic and sensitivity of children's thinking and behavior, and train children's eyes, hands and brain to react synchronously and quickly. The calculation method is consistent with mathematics in primary and secondary schools, so it is very popular with parents of young children.

Fast mental arithmetic teaching mode that is really synchronized with primary school mathematics textbooks;

1: learning algorithm-written arithmetic training. At present, China's education system is exam-oriented education, and the standard for testing students is exam transcripts. Then the students' main tasks are to take exams, answer questions and write with a pen. Written arithmetic training is the main line of teaching. Consistent with the mathematical calculation method in primary schools, it does not use any physical calculation, and can be used freely horizontally and vertically, even adding and subtracting. Computing with a pen is the golden key to opening an intelligent express train.

2. Clear the math-math battle. Being able to write questions with a pen not only helps children understand arithmetic, but also helps them understand it. Let children understand the calculation principle and break through the calculation of numbers in spelling. The child completes the calculation on the basis of understanding.

3. Practice speed-speed training, it is far from enough to use a pen to calculate problems. There should be a time limit for oral calculation in primary schools. It takes time to tell whether it is up to standard, that is, there are not enough calculation problems, mainly to speed up.

4. Enlightenment wisdom-intellectual gymnastics is not a simple study and calculation, but focuses on cultivating children's mathematical thinking ability, fully stimulating the potential of the left and right brains and developing the whole brain. After rapid mental arithmetic training, preschool children can deeply understand the essence of mathematics (including), the meaning of numbers (cardinal number, ordinal number, including), the operation mechanism of numbers (addition and subtraction of numbers with the same number) and the way of mathematical logic operation, so that children can master the method of dealing with complex information decomposition and develop divergent thinking and reverse thinking. The child's brain works fast.