Signs

guess what the strange characters on the monitor screen mean
Does it require an electronic device? No

1. Students get access to the website with the riddle

2. The students’ task is to understand what the symbols they see are.

3. Students have hints at their disposal. To get them, you need to answer some mathematical question.

Simple version:  the students need to find out that the symbols are the numbers

Advanced version: the students need to find out that the symbols are numbers, and then note that these numbers represent.

 

Find it here
https://view.genial.ly/60eeb04cfc13340dbe0e1f03/presentation-subject-presentation