Arithmetic With Rectangles - Elementary Mathematics Explained

Explore the foundations of arithmetic through a kindergarten-level approach in this 47-minute educational video. Learn how to represent numbers as row rectangles made of unit squares, and use these visual representations for counting and comparing collection sizes. Discover simple definitions of addition and multiplication using this primitive number system. Engage with examples and exercises to reinforce understanding of these fundamental mathematical concepts, suitable for young learners and those seeking a fresh perspective on elementary mathematics.

Introduction
Natural numbers
Primitive numbers
Counting
Counting a collection
Relations between numbers
Addition
Multiplication
Example
Exercises