MA19.7.3

Mathematics (2019) Grade(s): 7

MA19.7.3
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.

Unpacked Content

Knowledge

Students know:

how to interpret a real-world problem to determine what is being asked.
Techniques for calculating and using percents to solve problems in context.
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:

percents relate to real-world contexts, and how to determine the reasonableness of their answers based on that context.

Vocabulary

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

Aligned Learning Resources

What's My Interest?

A Penny Saved Is a Penny Earned...With Interest

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