2D Combining Sprites

What's the best way to combine sprites to create a single sprite? For example, say I have tiles that contain up to 3-digit numbers that randomly generate each time a level loads. I have a prefab for the blank tiles, and then I have the graphics for the individual number 0-9.

So say I want to generate "468" on a tile. I would want to use the tile prefab and then position/scale the numbers "4" "6" & "8" accordingly. What's the best way to merge all of this together so whenever the tile moves, the number "468" moves with it?

Thanks so much!

 

Simply give the tiles a blank parent GameObject. Then, when you update the position of the parent, its children will match.

 

Thanks again that worked