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Ratio and Proportion

This concept covers topics related to simple ratios, unit rates, and equivalency/proportions. The use of ratios in similar figures, indirect measurement, rates of change, and scaling of drawings and models are also covered.
The concept is broken into smaller topics, which makes it easier and much more fun for students. The topics are listed below:-
Basics of Rates and Unit Rates
This topic covers the concept of ratios in unit rate and the comparison of quantities with different units.
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Indirect Measurements and Similarity of Figures
This topic covers indirect measurements and its use in calculation of unknown lengths of similar figures.
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Proportions or Equivalent Ratios
This topic covers the key concepts of proportions such as find a missing term in a proportion, determine if the terms are in proportion and establish a proportion to solve problems.
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Ratios
How does one express a quantity as a simple ratio? Compare quantities with the same or different units? This topic covers these concepts and more.
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Scale Drawings, Models, and Maps
The use of ratios in scaling of a figure is covered in this topic. Calculation of actual measurement using the scale factor is also covered.
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Slope and Rate of Change
This topic introduces the concept of ratios to determine the slope of a line and to recognize constant and variable rates of change.
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