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Table – myths and reality

Myth # 1. Students should memorize the multiplication tables to 20 by 20.

I can not even imagine an explanation to substantiate this claim excessive. Although the results of the multiplication tables up to 9 where 9 is constantly using multiply or divide numbers expressed by several figures, the other operations are much more rare in ordinary calculations. Why children should memorize by heart the scores of 13 by 16 19 by 17, etc? If they have mastered the multiplication tables up to 9 by 9, all these operations can be easily implemented by paper and pencil. " Perhaps this only leads to excessive demand considerable difficulties in teaching the multiplication tables that we hear so often.

Myth # 2. Many children have no skills to master the multiplication tables.

In fact, today the very simple multiplication capacity that many students are worthless, and our children are receiving less and less on skills. If the situation does not change, then, perhaps, very soon we will have to say that most students do not can perform a simple multiplication. However, both my experience (35 years in the classroom) and my research (23 years of study) show that all students mentally sound can completely dominate all the basic multiplication within 100.
Of course, some children can not learn math because they have not been taught how to learn properly. On the other hand, some people do not want to learn math at all. Do not try to memorize the results, which do not work classes that do not perform the tasks themselves, but it is another problem. However, I wish to emphasize once again – if a student wants to learn the multiplication tables, then we can help you do this successfully. The willingness of children and teachers is the main prerequisite for success in mastering the multiplication tables.

Myth # 3. There are easy ways to learn the basic times tables in minutes.

Do not rely on that promise easy and educators quick to master the methods of basic math concepts. There are tips that can help you understand how to find the results of some operations, but it is not a magic potion that can help save the results at once. In the past, was not a royal road to learning mathematics as a whole (and the multiplication tables, in particular), no one in this, and I can not imagine that such a path will appear in the foreseeable future. To master any skill a student must perform a certain amount of exercises. Master the multiplication tables necessary to work with zeal, perhaps, hard work. This should include not only memorizing the results, but implementation Standing them in different types of stones as well. We can make this work interesting and productive, but we can not do without it. And such a work requires a sufficient plenty of time to achieve the desired goal (not minutes and hours, including, no doubt).

Myth # 4. We can manage without mastering simple mental calculations because to modern mathematics is a science of ideas, not an exercise in calculation. Being a magician of the figures is not the mark of success in mathematics.

I can not understand implying that some educators when they talk about New Math or Math Total taking into account the reform of school mathematics. You can add new topics and shuffle the cards, move from one grade to another, but we can not ignore numbers when the teaching of mathematics. To the extent that I have not seen a list of curriculum proclaimed math mastering uselessness of operations with different types of numbers, solve equations, etc on. Meanwhile my practice and my research long-term projections show that students with unstable mental abilities simple calculation (addition and subtraction within 20, multiplication and division within limits of 100) have serious learning difficulties, while the other basics of arithmetic and algebra. mathematics learning for Students who do not completely dominate the skills is similar to learning to read without knowing the lyrics. Undoubtedly, a magician of the figures is not the mark of success in mathematics, but being ignorant of figures is a sign of failure in mathematics.

About the Author

Victor Guskov, a teacher of mathematics, PhD, Pedagogical Sciences

http://www.simplar.narod.ru/index1.html

URGENT HELP! how to make a mousetrap powered car races?

me and my friend have to do one for physics. materials we are using: 2 colored pencils to help the wheel turn a piece of wood for the winner of polystyrene foam mouse trap chain wheel plates any suggestions? just need a little help putting it together what should we do? What should we use? we have to use a mouse trap victor however. thanks x

Gina, go to this link for general instructions: If you would like to build http://users.bigpond.net.au/mechtoys/mouse.html complex cars that perform better deal here: http://www.geocities.com/CapeCanaveral/5080/index.html For the body to use a foam block, or even better balsa wood. They are very light, but enough strong as for purpouse. The axles Forget the pencils. Circumphrence are too large and will create more friction than you need. If you have a store Hobby Lobby call there, you can buy small steel shafts that are made for this sort of thing. They make the wheels turn freely. For his attempt to use foam wheels. are light but are too large. Your car will probably have problems to convert them. Another thing is that you would struggle to put them well on their axes. They probably wobble drastically affect the performance of your car. For the string, use the fishing line. No mess, is strong and light. Enough said. That should start. If you have any questions feel free to send a message.