Open this video in a playlist (4 parts):
https://www.youtube.com/watch?v=_sGIZg3q9wA&list=PLe_I-JWckL7H-xx3VYD7Ebl-O3bMFFfpU&index=1&t=

Get the Exercise files to follow this tutorial:
https://drive.google.com/drive/folders/1h8rTcUDPb2-EtFfPCbB98B_5Xv1VwHe1?usp=sharing

This is a complete tutorial in Sketch up for Web.
List of Contents:

Introduction
00:00 Intro
01:28 Mouse buttons
03:42 Selection area
05:28 Interface and main menu
08:52 Toolbars

Chapter 1
11:41 Lines
14:09 Select tool
16:15 Exercises (tips to solve them)

Don't miss the complete tutorials available for
Autocad:
https://youtube.com/playlist?list=PLe_I-JWckL7GGuYQuzlexzExn_E4ap_NA
Revit:
https://youtube.com/playlist?list=PLe_I-JWckL7HnPkUSHT3FhT4mEEz8OTYe

Link for SketchUp Help Center:
https://help.sketchup.com/en/sketchup-web/sketchup-web

Licence:
The video shows the version Sketchup for Web and it is used exclusively for educational purposes.
The narration and all the illustrations were created by CAD in Black.