After updating to Mavericks, Pages is crashing whenever I save

This worked for me Thank you! The save is still slow, but at least it works. It was freezing before.

I agree with the issues regarding Pages. Unfortunitley documents created on my old computer WITH pages now need to be converted to Word and used in Word as a Word doc. Nice job CrApple!

Yep - i'm going to be moving all of my iWork documents to MSOffice. Thanks, Apple, and...sayonara!

Thank you. This worked for me.

I upgraded to mavericks earlier this month and had the referenced trouble opening the pages 09 documents the I was working on after I made changes . Here's what I found. Clicking on the pages icon in the tool bar opened pages 09 in iwork, yet the edited documents were saved as the new "mavericks pages" update documents which pages 09 and a separate mountain lion based desktop is unable to open. In the finder applications feature, the new pages program is listed as a separate app which can be opened and then the document can be accessed. It can be dragged to the toolbar. Previously unaccessable documents can be opened using the file/open feature in the new pages. In the iwork folder in finder applications, pages 09 still exists. Text from the document in the new pages can be copied and pasted into pages 09 which then works as before. It's not a perfect fix as documents saved in mavericks pages seem to lose prior versions, but it a work around that helped me and allowed me to transfer documents to a machine without the upgrade.

FWIW, I'm still using iWork '08 on a Mavericks 10.9.4 2012 MacBook Pro. I just had to do a wipe/reinstall/restore and I ran into similar severe problems with all three apps. As of Sept 13 2014, these links still worked and did resolve all my problems:
Numbers 08 1.0.3
Keynote 08 4.0.4
Pages 08 3.0.3