Sue's Circle of Fifths handout - Uke Camping 2019
Circle of Fifths diagram
Circle of Fifths with Musical Notes for all Major Scales

The more you listen to these types of things and look at the documents, the more it will sink in.

And here is an external link to a more in-depth and yet still understandable explanation of the Circle of Fifths:  https://www.musical-u.com/learn/how-to-use-circle-fifths/  I used this as well as other information on the internet to put together the workshop handouts above.