how do I sync my iPhone number with my 4g iPad pro?

@@@Bob@@@ wrote:

How do I sync my iPhone number with my 4g iPad Pro, so that the iPad rings when I receive a phone call?

Use Continuity to connect your Mac, iPhone, iPad, iPod touch, and Apple Watch - Apple Support

@@@Bob@@@ wrote:

Where is continuity? I cannot find in settings.

Did you read the whole link, it shows you how to set up handoff double check that your device is compatible.