Work through this text tutorial to throw an animal a birthday party. Your teacher may work it through with you or you can try it on your own.
Along side this tutorial it can be very useful learning some shortcuts to the software. Some basics are:
Left-click: Action
Middle-click: Pan Canvas
Right-click: Menu
Ctrl+Scrollwheel: Zoom Canvas
A more complete list that can be useful to print out is here
This is a written tutorial getting you started with some of the basics of Photoshop. In particular this one teaches you about Layer Masks and drawing using the paintbrush, and paintbucket.
Use one of the tutorials below for you next piece and learn some new skills and practice the ones you already know.
How to use the Gradient tool in Photoshop to merge images together
Turn Photo to Cartoon Effect (Cartoonize Yourself) - Photoshop Tutorial
Pixivu
Create an AMAZING Double Exposure in Photoshop CC 2019!
Photoshop Tutorial: Galaxy Face Photo Manipulation Effect
Create Hybrid Animals
Photoshop Slice Effect
Photoshop Text Portrait Effect
Grime Art Tutorial Photoshop
Useful Theory of Photoshop
Getting started with Photoshop in 10 minutes (Beginners Tutorial)
MStudio
All 60+ Photoshop Tools Explained in Under 30 Minutes
Andy Tells Things
4 Ways To Remove Backgrounds In Photoshop For Beginners
Brendan Williams
The ULTIMATE Guide To Layers In Photoshop (FREE Masterclass)
Brendan Williams