Скачать или смотреть Math Snacks: Ratey the Math Cat

Ratey pops up when you least expect him. And he can't resist pointing out the rates and "purrportions" in daily life.

You'll never again overlook how everyday decisions rely on mathematical reasoning about rates.

Ratey the Math Cat addresses number and operations standards as well as the process standard, as established by the National Council of Teachers of Mathematics (NCTM). It supports students in:

Understanding and using ratios and proportions to represent quantitative relationships.
Building new mathematical knowledge through problem solving.
Solving problems that arise in mathematics and in other contexts

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© 2014 NMSU Board of Regents. All rights reserved. NMSU is an equal opportunity/affirmative action employer and educator. Math Snacks materials were developed with support from the National Science Foundation (0918794). Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation. Some materials were originally prototyped or discussed as part of a cooperative agreement from the U.S. Department of Education (U295A050004).