Other
Luis E. Romero: Solving Complex Problems With the 11 Laws of Systems Thinking
Systems thinking is the key to solving complex problems and achieving simplicity. Furthermore, by applying systems thinking to different situations, we also start to recognize the existence of universal patterns of behavior in business...
Better Lesson
Better Lesson: Larger Distances
Using the size of the planets, 2nd graders are able to work with numbers to 1,000. This lesson introduces larger numbers (even beyond 1,000) to extend student understanding of the patterns in numbers.
Other
Chemistry Is Easy!: How Do You Write Electron Configurations?
With the goal of making chemistry understandable, this site guides the learner through electron configurations with layman's terms, colorful illustrations, and questions to check learning along the way. The "Purney Cheer" is also...
Better Lesson
Better Lesson: The Video Game Model of Adding
Video games often dole out points in groups of 25, 50 and 100 because they are easy numbers to multiply. Practice with patterns of 5 and 10 apply directly to understanding patterns with 50 and 100.
Physics Classroom
The Physics Classroom: Light Waves and Color: The Path Difference
After looking at a representative two-point source interference pattern with accompanying order numbers, students investigate the rationale behind the numbering system, and develop some mathematical equations that relate the features of...