Post-It Banking Firm Complaint Puzzle

Today I desire to portion 1 of my favorite puzzles that I used alongside my students final year. It involves 1 of my favorite things inward the world, Post It Notes (affiliate link)! I learned almost this puzzle from Chris Smith's amazing maths newsletter. If you're non signed upward to have his newsletters, you lot quest to produce as well as therefore ASAP. Each 1 is total of fun puzzles, teaching ideas, as well as and therefore much more. 

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The featured puzzle from Volume 373 definitely caught my eye. 

I recreated it alongside actual post-it notes on my dry out erase board. 

My students were at in 1 lawsuit drawn in. At first, they assumed the puzzle would live on super easy. After struggling for a few minutes alongside no success, to a greater extent than or less students started doubting the puzzle's solvability. I loved that when a pupil sentiment he/she had arrived at a solution that it could live on verified yesteryear genuinely moving the post-it notes.

Some classes did create out to driblet dead inward at a solution. Others gave up. I used this puzzle every bit a random fourth dimension filler final year. This year, I'm considering incorporating it into my commencement calendar week of schoolhouse activities.

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