Murphy, Stuart J., 1942- MathStart.

This high-quality Spanish-language book can be enjoyed by fluent Spanish speakers as well as those learning the language, whether at home or in a classroom. The MathStart series has sold over 1.5 million copies and combines math with fun stories that have real-life applications. In Sabado de super castillos, a Level Two MathStart, children learn that it is helpful to use standard units of measure to make accurate comparisons. Tres amigos compiten en us concurso de castillos de arena para ver quién construye la torre más alta, el foso más profundo y el muro más largo. Bajo la atenta mirada de Larry, el salvavidas, construyen súper castillos de arena y también aprenden a medir

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