Explore the concept of "open numbers" in this 33-minute mathematics video. Learn how this variant of Hindu-Arabic numerals aligns more closely with monetary systems. Discover techniques for converting between open numbers and their Hindu-Arabic equivalents. Engage with practical demonstrations using Monopoly money to illustrate key concepts. Master the process of addition using open numbers, gaining insights into how this system simplifies basic arithmetic operations. Delve into this alternative numerical representation to enhance your understanding of elementary mathematics and its real-world applications.