Use ratios to compare numbers. The resource provides an explanation of the difference between fractions and ratios by pointing out that ratios are used to compare two quantities. The video introduces rates as special ratios that involve units of time. By converting rates to unit rates, it is easier to compare rates.

Concepts

ratios, rates, fractions, division, equivalent ratios, unit rates

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Additional Tags

math

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Instructional Ideas

• Lead a discussion on whether all rates must use units of time

Classroom Considerations

• Individuals need to know how to create equivalent fractions

• This video is hosted on YouTube

Pros

• Shows the different notations for ratios
• Includes real-world examples of ratios

Cons

• None

Common Core

SL.6.2 6.RP.A.1 6.RP.A.2 RST.6-8.9 MP2