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Proportional relationships (e.g. speed as the ratio of distance traveled to time taken) among different types of quantities provide information about the magnitude of properties and processes.

TERMS

• Quantities - the amount (or number) of a thing

• Proportional relationship - relation of one dataset to another dataset

  • Directly - two quantities are proportional to each other (linear proportion)

  • Inversely - as one quantity increases the other decreases. Product of values is constant.

• Magnitude - the size, scale or importance of properties and processes

STANDARDS

MS-PS3-1 / MS-PS3-4 / HS-ESS1-4 / HS-LS3-3