If you use a Chromebook, we recommend using Instant Tethering to link to your Android phone reliably. Connect your phone and device via Bluetooth. Open the Hotspot & tethering menu.

3. Use Bluetooth Tethering Bluetooth tethering allows you to share your internet connection without cables, though it generally offers slower speeds compared to Wi-Fi or USB tethering.

I've tried googling for this, and can't find an answer, and I don't currently have hardware to test this out - if I bluetooth tethered an iPad running iOS 6 to a mobile phone that had a data plan ...