Cornelsen Lernen vs Thales Theorem

With the Cornelsen Lernen App, students and teachers have everything they need for their lessons digitally in one place. You can access textbooks, workbooks, and supporting materials securely and easily. There's no need to lug heavy textbooks around. The following products can be used in the app: • Material packages related to the printed textbook • E-books with media • Unterrichtsmanager Plus • Interactive workbooks • Interactive exercises How to use the app on your tablet or smartphone: • Download the Cornelsen Lernen App for free • Use the digital material package for your printed textbook even without a user account • Log in to the app with your user account – all previously purchased products are available directly in the app • Unlock additional products directly in the app • View your textbook as an e-book – and get practical note-taking functions and text editing tools • Audios, videos, worksheets: Use all important accompanying materials for your textbook – chapter- and page-accurate • Access your e-books and accompanying materials after downloading, even without an internet connection Have fun with the Cornelsen Lernen App!

Thales Master — See Math Differently. What if you could measure the height of a pyramid without ever climbing it? That is exactly what Thales did 2,600 years ago. And that is what you are about to learn. Thales Master turns a fundamental theorem into an experience you will not forget. No passive memorization. No abstract formulas. Just geometry coming alive under your fingers. WHAT YOU WILL EXPERIENCE Interactive Solar Animation Recreate Thales original experiment: manipulate shadows in real time and watch proportions reveal themselves. Geometry becomes intuitive before it is even understood. Smart Calculator Solve any Thales problem in seconds. Visualize every step, understand every calculation. Real Problems, Mythical Places Measure the Great Pyramid of Giza. Estimate a lighthouse height from a boat. Calculate a building through a mirror reflection. 5 real-world situations with custom animations. Adaptive Quiz Test yourself, progress, master. Questions that adapt to your level for natural improvement. Converse Theorem Module The theorem in both directions. Because understanding means being able to use it every way. FOR WHOM? Middle and high school students who want to truly understand (not just memorize), parents supporting their children, curious adults, and teachers looking for an engaging demonstration tool. A PREMIUM TOOL, NO COMPROMISES No ads. Ever. No hidden subscription. An interface designed for focus. Full access, one-time purchase. Geometry is not a list of rules to memorize. It is a way of seeing the world. Thales Master gives you the key.