Q: Mac upgrade to icloud drive with Yosemite, how can I access my number file in my ipad 1 from icloud which I used to do.

Just upgrade to Yosemite and icloud drive, face difficult to access my numbers file thru icloud from my ipad 1.

how can I revert back to icloud to access my file from ipad 1 as usual.

please assist if you have experience on this matter.