Hi, many congratulations on the job :) the necessity to meet a different set of needs can be a daunting feeling, it'll help if you can get to grip with the room's layout, what a daily and a weekly routine looks like in there, the current way of planning & record keeping and all the resources that you'll have available to you x
Balance activities that utilise adult-led with a focus & priority on child-initiated xx
These links offer greater support
Development matters on BAECE
What does it mean to be one -
two on amazon and
activities for young children
Examine sensory play and locomotion eg. crawling, walking, pushing, climbing
BTTM Birth To Three Matters resources
I hope this helps, very best wishes with the new start