The starting point of the Is it possible! – Revision: Data organisation elements maths lesson for the 7th grade students from Colegiul National Emil Racovita was the Do not waste your waste – how to make a no-sew-t-shirt-bag international SmartHands workshop.
The purpose of the lesson was to raising awareness of the importance and applicability of data organisation elements when calculating the cost of a product in a sustainable economy.
After introducing the context of the lesson (What is a sustainable economy and how can we support it? Are we aware of the steps in the making of a T-shirt made of natural or synthetic fibres? What is the difference between the two?) the teacher introduced the study case: Bangladesh and Purna textile industry comparison.
The teacher implemented a role play: Imagine you have just got the position of Cost Manager in a textile factory. Some of you work in Bangladesh for a company based on a consumption economy, others work in Purna for a company based on a sustainable economy. The company CEO asks you to modify the price of the T-shirts to be more competitive on the marketplace, so that the company makes bigger profits. In order to do that, you need to know what the cost consists of.
- studied the cost components/elements of a T-shirt and organised the data in a table using the information from the case study,
- determined the % that each element has in the final cost of the T-shirt (the final cost is the price one pay for the T-shirt when we buy it),
- in pairs, exchanged data,
- organised the comparative data in a diagram,
- made a comparative analysis of the elements that form the T-shirt cost,
- made at least 3 adjustments/modifications to the price of the T-shirt so that it brings more profit to the company, and it is more competitive on the marketplace,
- wrote a note to the company CEO informing them of the new cost and presented at least 3 arguments in favour of their choice.
- The classes were interactive.
- The students got involved, for the most part, managing to play the assumed roles, they were active and interested.
- Students correctly identified the components of a price, worked the graphs and charts correctly and studied the case study carefully.
- The projects presented as well as the assignments sent on Google Classroom were interesting, original, well thought out and carefully crafted.
- The students carefully followed the presentations and asked relevant questions, which led to debates about the proposed changes.
- The students voted correctly on the price change projects, responsibly arguing the vote given.