| Summary: | This Basic Math, Pre Algebra lesson begins with the definition of a ratio, expressing a ratio in the lowest terms, finding equivalent ratios and application questions using ratios.
The next part of this lesson deals with the definition of a proportion, identifying proportions, solving proportions using the Cross Products Method and application questions using proportions. Topics covered are changing percents to fractions, changing fractions to percent, changing decimals to percent, changing percents to decimals, using the Cross Products Method to find missing terms and application questions using percent.
After this lesson, you will be able to:
- define a ratio.
- express a ratio in lowest terms.
- find equivalent ratios and missing terms using equivalent ratios.
- do application questions using ratios.
- define a proportion, identify a proportion.
- solve proportions using the Cross Products Method and do application questions using proportions.
- define percent.
- change a percent to a fraction and a fraction to a percent.
- change a decimal to a percent and a percent to a decimal.
- use the Cross Products Method to find missing terms.
- do application questions using percent.
- size objects using the golden ratio.
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