Geometry 2 Treasure Hunt: Secret Decoder


Decode the message to advance your mission!”  Find the area, perimeter and circumference to identify the key to decoding the secret messages hidden as riddles.


This educational treasure hunt for ages 8 to 12 is themed as a secret mission. Easy to set up with the location to hide the clue at the bottom of each page. Decode 6 secret messages by solving for the key code hidden in 6 geometry puzzles. Solve the riddle in the secret message to find the next stop on the adventure. Students practice finding the area and perimeter of rectangles, triangles and circles. Includes answer key, and hints that can be given to students for a little extra help. This activity takes around 1 – 2 hours to complete.

To use this treasure hunt you will need a printer, twelve pieces of paper, and the following locations:

  • Clock
  • Table
  • Bed
  • Comb
  • Towel
  • Window



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