Sum of Interior Angles of Polygons Crossnumber Puzzles
Practice finding the sum of the interior angles of various polygons with this free printable geometry cross-number puzzle worksheet.

What is a Crossnumber Puzzle?
A crossnumber puzzle is a numerical twist on the traditional crossword puzzle. Each of the entries in the grid are numbers instead of letters.
Instructions and File Details
Calculate the sum of the interior angles of each indicated polygon. Write each answer in the numbered grid.

This file is available as a PDF and features 10 different versions of this polygon angle worksheet for geometry.
File
This worksheet is available as a PDF file.
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Activity Solutions
Activity and worksheet solutions are available on a password-protected solution page. I do not openly post the answer keys because one of my goals as a resource creator is to craft learning experiences for students that are non-google-able. I want teachers to be able to use these activities and resources in their classrooms without the solutions being found easily on the Internet.
Please email me at sarah@mathequalslove.net for the password to the answer key database featuring all of my printable puzzles and math worksheets. I frequently have students emailing me for the answer key, so please specify in your email what school you teach at and what subjects you teach. If you do not provide these details, I will not be able to send you the password.

