Educational Prompt for High School Math Formulas on a Chalkboard

A color-coded blackboard-style educational visual summarizing commonly used formulas for high school entrance exam math. The layout is easy to understand at a glance, with chalk-written equations grouped clearly by topic.

Please write down and summarize the formulas commonly used in junior high school entrance exam math on a blackboard with chalk.  A design with color coding for each formula, making it easy to understand at a glance.