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Introduccion temprana al pensamiento algebraico

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This paper reports a study on the transition to algebraic thinking based on a teaching model that incorporates meaning sources related to proportional reasoning (numerical ad geometrial), aspects of proportional variation and generalization processes.

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Is a graph a function or a relation?

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This video shows the difference between a function and a relation. It may be used in Differential calculus.

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Estrategias para resolver problemas verbales de matemáticas

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This articule talks about some strategies that students of primary use for solving verbal mathematical problems. Also, this articule explains that strategies.

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La bioestadística y su papel en la investigación en salud

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Decision making about living beings is supported by biological and haelth research. The rol of biostatistics in research process is reviewes in this paper. Biostatistics is a key area in reserach since it can provide fundamental and enough elements which help the researcher to support his o her observations and analysis

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