In this math video I (Susanne) explain how to evaluate sums with the Sigma notation. We write out what is meant by the summation symbol. Mathematics explained. 00:00 Intro – Sigma Notation 0:15 Example 1 3:26 Example 2 5:23 Example 3 7:00 Example 4 8:28 Example 5 9:26 Example 6 11:05 Example 7 14:40 See you later! *My German Math Channel:* ​⁠ @MathemaTrick *Find me on Instagram:* *Buy Me a Cup of Hot Chocolate?* ☕🍫 Creating these math tutorials takes a lot of brainpower and a warm cup of hot chocolate always helps! If you'd like to support my work and keep the tutorials coming, consider treating me to a virtual cup. 👉 Thank you so much for your kindness! It means the world to me! #sigma #maths #mathematics