Ratios and Proportions


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This interactive slideshow explains the notion of ratios and proportions, how to write the, and how to find them. There are practice problems which walk visitors through each step of the process, including reducing answers to simplest terms, in which students are asked to calculate the rate of grass seed coverage per square foot and find the miles per gallon fuel use of a car. The lesson continues on to introduce proportion and work through practice problems in the same fashion.

Learning Registry Activity


    Topics and Grades

    Grade: PS/Pre-K to 12

    Topics: Number Sense, Rates and Proportions

    Resource Pedagogy

    Resource Type/Classification:

    • Teacher Materials
    • Reference Materials

    Tool for: Students