The purpose of this task is for students to solve problems involving decimals in a context involving a concept that supports financial literacy, namely inflation. This task also engages students in Standard for Mathematical Practice 4, Model with mathematics. It is a variation on another task, 4.OA Carnival Tickets, that also addresses inflation in a way that is accessible to 4th graders.
Tasks for Inflation
The purpose of this task is for students to calculate the percent increase and relative cost in a real-world context. Inflation, one of the big ideas in economics, is the rise in price of goods and services over time. This is considered in relation to the amount of money you have.