Rational Number Project Fraction Operations and Initial Decimal Ideas


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Twenty-eight lesson plans make up this research-based fourth- through sixth-grade fraction and decimal curriculum, covering through addition and subtraction of decimals, and multiplication and division of fractions. It includes a teacher guide with theoretical framework and instructions and templates for making manipulatives, as well as suggestions for using the lessons with English-language learners (ELL). The Rational Number Project is an NSF-funded multi-university research project.

Learning Registry Activity


    Topics and Grades

    Grade: TK/K to 9

    Topics: Estimation & Rounding, Addition & Subtraction, Instructional Strategies, Professional Development, Parts of a Whole (Fractions, Decimals & Percent), Multiplication & Division, Mathematics, Number Sense


    Matched Standards

    Resource Pedagogy

    Resource Type/Classification:

    • Teacher Materials

    Tool for: Teachers, Administrators