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Tomorrow you have a math test. The teacher has the copies of the exam in the classroom locker. You have been waiting until the end of the classes to get a look at the exam.
When trying to open the locker, you realize that there is a four-digit numerical padlock on the door. Your teacher is very clueless, so he has left some clues on the table to remember the key of the padlock. He thinks that their students will not be able to find out the key of the lock.
You have fifty minutes before the janitor passes through the classroom and catches you. Hurry up!
You need to know how to solve:
· Linear equations.
·2nd grade equations.
GUIDE FOR THE TEACHER
This breakout edu has been designed to use once the students know how to solve linear equations with parentheses and second degree equations.
It is recommended to form groups of 4 students. Each group must to have a dossier with the first six pages of this document. It is advisable to leave the first sheet presentation, but shuffle the other five.
It can be used the padlock developed with GeoGebra, previous configuration, which appears in the following link:
The estimated time is 50 minutes.
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