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

Please see page 6 in the Teacher Preparation 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.
4 + 3 =
Solve this simple math problem and enter the result. E.g. for 1+3, enter 4.