"Ten ways to make up" complicate simple problems, don't learn? Its true meaning is misunderstood

Ning Ma Wuyu

2024-05-15 09:21Posted in Shandong Parenting Creators

Text: Ning Ma Wuyu

There have been reports of children being stressed, and I have seen such comments: What is the "Ten Methods" taught in mathematics now, complicating simple problems, and making children dizzy, we don't know how to teach children, how simple it was to memorize formulas directly before! Is it any wonder that children are stressed?

There are even elementary school teachers who object, saying that "making up ten methods" seems to be quick and easy to understand, but it is not used for later calculations, and it is not practical at all, which is a waste of children's time.

I also went through the stage of not being optimistic about the "Ten Methods", but later after the children learned it, they discovered the importance of the "Ten Methods".

When the child learns the carry addition within 20, it is stuck, and I am full of expectations for the "Ten Method", thinking that it can make it easy for the child to master the carry calculation.

The process of learning is very easy, the child knows how to make up ten, divide, and add the remaining numbers, but once he is given an equation, he has no way to start, just like he has not learned the "method of making up ten". In school, the teacher also taught, and he was very repulsive.

At this time, I was full of doubts about the "Ten Methods", and the mechanical application of formulas was to erase children's interest in learning.

I also used a physical demonstration to re-teach the child to understand the method of making tens, and taught him to make up tens by borrowing numbers and subtracting them to do simple calculations. The main purpose is to understand the method of making decisives, but it is not necessarily used in calculations.

Later, because the child looked at the number building blocks, with the combination of numbers and shapes to understand the addition of 20 carrying, became began to accept the "make up ten methods", when the teacher taught again, he with a desire to work hard to learn, from the beginning of the loopholes, to the end of the real understanding, it took about two or three days.

Now give your child another equation so that he can write the process accurately and quickly without thinking, and say it in his own words. He said: Look at the big number, make it into ten, look at the decimal number, find a friend, add the remaining number, it is a dozen.

In the process, I discovered that in fact, the meaning of the "Ten Methods" is not simple calculation, and its true meaning has been misunderstood.

"Putting up the decimal system" can help children understand the decimal system

Now the basis of calculation is the decimal system, if you directly tell the child the decimal system, tell the child 9 + 5 = 14, the child can not understand why the result is two digits, why the front is "1" followed by "4", not other numbers.

Using physical demonstrations, the combination of numbers and shapes is an intuitive way, so that children can understand the result from concrete to abstract, and it is much more convenient to use the "Ten Methods".

9+5=9+1+4=10+4=14。

First make 9 into 10, you need to borrow 1 from 5, 5 is divided into 1 and 4, and 10 and the remaining 4 are added to 14. In the form of illustrations, children can understand more intuitively.

In the early stage, the child has learned the combination and division within 10, and it is very easy to complete these calculations, and it is very easy to understand.

As for whether it can be used normally in the later stage, it is the result of the child's practice makes perfect, and the conditioned reflex.

"Ten Methods" to exercise children's thinking ability

If you learn the method of making up ten, you will be able to learn the calculation of RMB, length, etc. very well. Understand 9 + 5 = 14, 90 + 50 = 140, and know which banknotes need to be taken out. Understand 9 cm + 5 cm = 14 cm, 90 cm + 50 cm = 1.4 meters, and know the unit conversion relationship.

If you understand the decimal system, you can understand the sexagesimal system of time and angle with the same thinking, and you can understand the different numerical representations of the computer such as binary, octal, and hexadecimal.

The method is not only useful for understanding counting methods, but can also be extended to more complex knowledge learning in the future.

For example, to verify the correctness of the multiplication formula, why is it four-eight-thirty-two? is 8+8+8+8=32, which is derived from addition and carrying.

For example, geometry uses the idea of cutting to calculate the area of an irregular object, and it needs to be converted into regular parallelograms, rectangles, triangles, etc., in order to find the area. It's like converting 9 and 5 to 10 and 4.

In the past, I didn't understand the importance of mathematical thinking, often equated mathematics with calculations, rote memorization remembered the results, although the efficiency was high, but I didn't understand the ins and outs of knowledge, blindly engaged in the sea of tactics, the next time I encountered new knowledge, I need to re-memorize, I don't know how to draw inferences, flexibility, resulting in low learning efficiency, lack of innovation, and now children need to make up for this lesson, don't become an exam machine.

"Ten ways to make up" allows children to develop the habit of patience

There are many steps to "make up ten", you need to make ten, divide, add the remainder, and what should be done in one step needs to be divided into several steps, and the brain still needs to turn several times. If you write the two numbers that are divided into two numbers too close, it is easy to read the wrong line, which will lead to wrong results. If the child is not patient, it will feel particularly tedious and think that calculation is a difficult thing to do.

When children start learning, they don't want to write because they feel troublesome.

But the child realizes that the "Ten Methods" should be learned, and wants to challenge it, calm down to learn, write it step by step, get the correct result, the faster and faster, and finally just write without thinking, and find that there is a special sense of achievement, it turns out that he can learn such a profound problem!

Learning because of patience, and becoming more patient because of learning, are complementary things!

Written at the end: The above talks about the three benefits of "making up the ten methods" to help children understand the decimal system, exercise their thinking, and exercise their patience.

If you have an opinion on the "Ten Methods", it is better to look at it with a positive perspective as soon as possible, and let your children work hard to learn the "Ten Methods"!

It can be used in a variety of ways to assist understanding, so that children can go from nothing to fun, from difficult to easy. Give your child some time to learn, allow your child to make mistakes, and be patient enough to wait, and your child will learn.

I'm @Ning Ma Wuyu

Mother of two boys, more than 10 years of parenting experience

Accompany children to read, English and science

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