Make good use of healthy foods for good health and a long life.
Jobee Knight is President of Nutrition Breakthroughs.
She has written nutrition articles and provided effective natural remedies since These remedies include the and made by Nutrition Breakthroughs. And now here’s a question. In my previous article Can We Improve Simple Mental Computational Skills?
I described the results of my work on improving these skills with a class of the fifth grade.
After the publication I began to get letters with one question -how can we do this particular work? At this time I’ll try to detail my methods. Besides, the big percentage of uniform operations brings about transformation of quantity into quality finally.
At the grades after the fourth loads of us are aware that there is no need in supplementary exercises.
Every table contains operations on amid the arithmetical rules -addition, subtraction, multiplication or division.
Offer pupils to fill in the tables at class and in the premises.
Both for determination of a degree of simple mental computational skills and for improving them I use tables including 64 uniform elementary operations. Gradually, one after another, they will begin to calculate correctly and quickly. This is the case. Earlier necessity may appear to teach as long as the sequences of addends, subtrahends and stuff were chosen by chance. Basically the accidental selection of required numbers simulates spontaneous appearance of corresponding operations in ordinary computations. We often underrate its significance, it’s a very important criterion. We must pay attention not only to correctness to swiftness of computations Accordingly the time from the start point to the finish point must be measured. Pupils fill in the tables in written form. Ok, and now one of the most important parts. As a rule I approximate results to five seconds. So it’s handy when a couple of pupils bring their tables at very similar time. You must fix the time and write down it, when a pupil gives back a table. Fact, it’s not difficult to measure time, Therefore in case you work with one pupil. For instance, the work has to be started simultaneously for all pupils, So in case you work with a class. Did you know that an optimum time may be reached by even rate of work. Of course all pupils must I know it’s necessary to note that you must carry out training for the first test. Do not hurry pupils while working -rush can increase number of any pupil will choose the suitable for him/her speed of working after a preliminary training. I calculated the permissible maximum values of these parameters for the stochastic tables included 64 uniform elementary operations.
You can find the description at my site, if you seek for to know how I did it.
The following maximum values were obtained for the pupils finished school recently.
Two criteria are used for estimation of a degree of simple mental computations -total running time and number of occurred should be overcome significantly. Nevertheless, in September my friends asked me to far more efforts to this effect. Permissible limits of time and I know that the first test showed that her elementary mental computational skills were very bad. On p of this, addition -9 minutes 50 seconds, 3 every time she filled in the tables on four arithmetic operations.
At that time I did not even think about division because of awful multiplication skills.
For short I’ll list only the results on multiplication to show progress. B -3 minutes 20 seconds, 1 error, W -4 minutes 40 seconds, 3 errors. Now pay attention please. B -2 minutes 20 seconds, 0 errors, W -3 minutes 10 seconds, 1 error. Besides, B -6 minutes 50 seconds, 0 errors, W -9 minutes 55 seconds, 3 errors. B -2 minutes 30 seconds, 0 errors, W -6 minutes 40 seconds, 2 errors. Furthermore. You should take it into account. B -7 minutes 15 seconds, 1 error, W -11 minutes 20 seconds, 14 errors. Feb. Oct. Plenty of info can be found on the internet. Nov. Dec. Now you can see the results obtained in March and compare them with the results of the first test.