The aim of this research is to study current conditions aimed at the problem of teaching mathematics from the past up to the present analysis of the development of thinking skills, by using Chai Mongkhon affords a number jumped and mechanical table3 to design and develop a good Chai Mongkhon affords the learner number and schedule a dive machine for students grade 3 and to evaluate the analytical skills of the multiplier for grade student in a 3
results of Research found that primary school students in the 3 number of 17 people can be found in the product is higher than before the experiment by students can be found through the multiplied by 80 per cent to 17 of them
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