Ratios
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    South African Mathematics curriculum

    Grade 7 - Numbers, Operations and Relationships

    Standard 7.NOR.1.4.5 - Calculate the percent change as an increase or decrease.

    Included Skills: Ratios

    Common fractions. Percentages • Revise the following done in Grade 6: - Finding percentages of whole numbers • Calculate the percentage of part of a whole • Calculate percentage increase or decrease of whole numbers • Solve problems in contexts involving percentages