We have proved that the square root of two is not a rationalnumber.
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In theory, therefore, any rationalnumber can be expressed with a single mark on a bar of metal.
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A ratio makes a rationalnumber?
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In this study, college students completed a rationalnumber magnitude task, procedural arithmetic tasks in fraction and decimal notation, and an algebra assessment.
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Recent research suggests that fraction understanding is predictive of algebra ability; however, the relative contributions of various aspects of rationalnumber knowledge are unclear.