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Three of Five Puzzle

I’m excited to get back to featuring a new puzzle of the week every week in my classroom this year. A new puzzle I have prepped for this year is called Three of Five. Three of these five figures fit together to create a triangle. Which ones are they?

three of five puzzle

I ran across this puzzle in The Big Book of Mind Bending Puzzles by Terry Stickels.

Three of Five Puzzle by Terry Stickels

I printed off the five pieces on colored paper, laminated them, and added disc magnets to the back of each piece so it will stick to my magnetic dry erase board.


drawing of laminator machine with text "laminating recommendations"

A laminator is a MUST-HAVE for me as a math teacher! I spent my first six years as a teacher at a school with a broken laminator, so I had to find a way to laminate things myself.

I’ve had several laminators over the years. I currently use a Scotch laminator at home and a Swingline laminator at school.

I highly recommend splurging a bit on the actual laminator and buying the cheapest laminating pouches you can find!

Free Download of Three of Five Puzzle

Three of Five Puzzle (PDF) (3806 downloads )

Three of Five Puzzle (Editable Publisher File ZIP) (1032 downloads )

Want more puzzles? Check out my puzzles page!

Puzzle Solutions

I intentionally do not make answers to the printable math puzzles I share on my blog available online because I strive to provide learning experiences for my students that are non-google-able. I would like other teachers to be able to use these puzzles in their classrooms as well without the solutions being easily found on the Internet.

However, I do recognize that us teachers are busy people and sometimes need to quickly reference an answer key to see if a student has solved a puzzle correctly or to see if they have interpreted the instructions properly.

If you are a teacher who is using these puzzles in your classroom, please send me an email at with information about what you teach and where you teach. I will be happy to forward an answer key to you.

Tracy Pope

Wednesday 22nd of September 2021

Thank you!

Beth Vos

Monday 20th of September 2021

Would love an answer key too please! :)

Sarah Carter

Tuesday 21st of September 2021

Sent you an email, Beth.


Friday 17th of September 2021

Would love an answer key! Having trouble myself!! :-)

Sarah Carter

Friday 17th of September 2021

Sent you an email, Jen!


Monday 13th of September 2021

Love these puzzles so much, thank you for sharing them! I've started a Puzzle Centre this year and my students are loving it already. Thank you :)


Tuesday 17th of August 2021

is there any answer key :)??

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