Dive into a comprehensive 41-minute mini-course on rational numbers and number lines with Math with Mr. J. Master the skills of identifying, graphing, comparing, and ordering rational numbers on a number line through clear explanations and practical examples. Begin with an introduction to the topic, then progress through four key sections: identifying rational numbers on a number line, graphing rational numbers, comparing rational numbers using a number line, and finally, ordering rational numbers. Benefit from related video recommendations for further learning on rational and irrational numbers. Whether you're a beginner or seeking a refresher, gain valuable insights to enhance your understanding of this fundamental mathematical concept.