ACTIVITIES:

Portuguese students investigated the price difference between various organic food products in different stores, especially online. They also investigated the variation of this difference over a given period of time, resulting in the following posters.
They also did research to know the differences between conventional and biological products, producing posters and powerpoints, of which we also present an example.

Explanations of mathematics teacher, Vânia Mateus:

Comparing organic conventional teacher Vânia Mateus.docx

On the internet: https://claportugal.blogspot.com/2018/12/a9-ecological-food.html

PRICE COMPARISONS IN EUROS.pdf