Serendip is an independent site partnering with faculty at multiple colleges and universities around the world. Happy exploring!

Reply to comment

iwaldron's picture

Answer key and new version

Yes, information about how to obtain the answer key is available in the Teacher Preparation Notes. Also, I am nearly finished preparing a new and improved version of this activity, which I hope to finalize and post within the next week or two. Meanwhile, if you would like to have this revised version, please email me at iwaldron@upenn.edu.

Ingrid

Reply

The content of this field is kept private and will not be shown publicly.
To prevent automated spam submissions leave this field empty.
8 + 12 =
Solve this simple math problem and enter the result. E.g. for 1+3, enter 4.