Waste and earth problems – Fast fashion task

Real life applications of Math – the main purpose of the tasks. Homework, classwork or exams must be fun and also improving mathematics education. Cool math game combinated with Earth problems and social responses thinking is another goal of the tasks.

Why do we need to sort waste? Trash and especially plastic demage can be a topic of conversation, even during math lessons. 

This is the task of calculating percentages. How are we able to apply the percentage calculation in real life. Another idea of ​​the exercise – what is fast fashion. What harm it does to nature and human psychology. Could you solve it?