C. Maranhão

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The authors present, in this article, the results of a research on the knowledge about relations of 5 to 8 graders (10 to 14 years old). The study was conducted in three phases: a pre-test, a class and a post-test among 4 groups of students from different grades totaling 64 subjects of a school in the state of São Paulo, Brazil. The results showed that(More)
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