MA19.7A.3

Mathematics (2019) Grade(s): 7 - Grade 7 Accelerated

MA19.7A.3

Solve multi-step percent problems in context using proportional reasoning, including simple interest, tax, gratuities, commissions, fees, markups and markdowns, percent increase, and percent decrease. [Grade 7, 3]

Unpacked Content

Knowledge

Students know:
  • how to interpret a real-world problem to determine what is being asked.
  • how to interpret the solution in the context of the problem.

Skills

Students are able to:
  • Write and solve proportions to help them solve real-world problems involving percent.
  • Solve problems that require them to calculate: simple interest, tax, gratuities, commission, fees, mark ups, markdowns, percent increase and percent decrease.

Understanding

Students understand that:
  • proportional reasoning requires interpretation or making sense of percent problems.
  • Solving problems and determining their calculated answers may require further computation.

Vocabulary

  • Proportion
  • Simple interest
  • Tax
  • Gratuities
  • Commissions
  • Fees
  • Markups and markdowns
  • Percent increase
  • Percent decrease

Aligned Learning Resources

What's My Interest?
A Penny Saved Is a Penny Earned...With Interest
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