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

Reply to comment

iwaldron's picture

2021 revision

The 2021 revision improved the wording of some questions in the Student Handout and clarified some points in the Teacher Notes.
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.
9 + 11 =
Solve this simple math problem and enter the result. E.g. for 1+3, enter 4.