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.
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
UP:MA19.7.3
Vocabulary
- Proportion
- Simple interest
- Tax
- Gratuities
- Commissions
- Fees
- Markups and markdowns
- percent increase and percent decrease
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.
