Study results showed that a case study be development, multiply by using techniques of multiplication table-level, which will see that before long a woven fabric made of case study exam before school grades 3 times during 2 to 3 points, with an average standard deviation equal to 2.7 and hip.With 0.6 in the quality level should be adjusted because of the teaching. Researchers have taken the practice to factor number by using the taught technique, multiplied by the media grid, with a case study of 15 exercises each exercise, there will be a full score 10 points a sample practice score 7 to 10 points, is in the process of with a 9.2 average and standard deviation equal to 1.5 level which are in good quality.
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