Yes, I probably would do that.
You could also swap around to give the other hens some time in the main coop too.
That way each group will know what is where, and can feel somewhat comfortable in it.
With just one group at a time in the main coop & run, they have time to explore and find the...
That sounds like a good plan.
I would probably put the pullets in the main coop, so they can get used to it, and have the others in the temporary pens.
The pullets are the ones most likely to get bullied or picked on, so letting them become comfortable in the coop may give them a helpful...