Math Group 4 (Lesson 5.3): Finding Combinations of the Same Quantity in Multiplication

Time Codes
0:00 intro
0:26 Presentation
3:15 Commutative Law
3:49 Control of Error

Math Group 4 FULL playlist:
https://youtube.com/playlist?list=PLHhQbUZUu60kNVUPNRS8GqN9rSCuzBXjZ&si=QgYzaMdu8BWlXuCb

If you're looking for the most affordable Montessori materials or supplements, please check out my affiliate links for Montessori Print Shop (Paper/PDF Version)

Square Chain Worksheets for Multiplication:
https://www.montessoriprintshopusa.com/products/square-chain-worksheets?ref=base10montessori

Multiplication Equation Slips:
https://www.montessoriprintshopusa.com/products/multiplication-equation-slips?ref=base10montessori

Here are my Amazon Affiliate Links for the bead bars, but please note I have not used these specific products and cannot verify their quality. These are simply my suggestions based on searching for what I think would work best from Amazon:

Elite's Decanomial version with golden 10 bars: https://amzn.to/46zVj8Z
Hidoggy's Decanomial version https://amzn.to/3TvXvqo
Adena's Decanomial version https://amzn.to/3TwYl6s

Locals Link to Math Group 4 Study Guide:
https://basetenmontessori.locals.com/post/7096104/math-group-4-study-guide-for-locals-supporters

Locals Link to Math Sequence Chart for All Primary Montessori Lessons:
https://basetenmontessori.locals.com/post/5600404/post-from-yt-community-page