To help students learn to improve their shading skills, start with the slideshow where students can see the importance of using a wide range of values. Next, we provide a "value guide" so they can
Shading techniques
How to Shade Drawings: Tips & Techniques for Beginners
Free Download Pencil Shading Techniques
5 Things to Make Your Value and Shading Middle or High School Art Projects Shine
Shading techniques
Pen and Ink Sketching: 6 Shading Techniques - Erika Lancaster- Artist + Online Art Teacher
Master the Art of Pencil Sketching and Shading - BrainArt
Charcoal Drawing & Pencil Shading - Ini Institute of Fine Arts
I have problems with shading and drawing eyes from the side. How can I improve? : r/learnart
How to Shade a Drawing (Light & Shadow : Part 2 of 3)