Hi, if you take a read through the forums you'll see you're not alone in feeling like its a case of treading water.
There's much advice and experience on here and one suggestion you may face is that level two may of been of better place to start, however unless this is something you feel strongly enough about to change welcome to the nvq 3 forum
The search page will allow you to look for knowledge that members have posted about - type in ref codes, unit numbers or a section of text from what you're reading into the search field and the results should be returned for you.
All the units are available on cwdc for reference, you can access them through this thread -
NVQ3 CCLD
RA's -
reflective accounts, PD's - professional discussions are a couple of acronyms you may become familiar with quite quickly.
Do you have contact details for your assessor, maybe send an email to ask what the task/s are?
Best wishes & look forward to hearing how things go xx