Easy TRICK! – Multiply Numbers In Seconds

In this math video I (Susanne) explain how to multiply numbers between 10 and 19 super quickly in your head. I’ll show you a simple trick that makes mental math fast and easy. Perfect for students and anyone who wants to boost their calculation speed! Mathematics explained. 00:00 Intro – Multiplication Trick 0:08 Example 1 1:00 Example 2 1:32 Example 3 2:36 Example 4 3:20 Why it works 7:38 See you later! My German Math Channel: ​⁠ ‪@MathemaTrick‬ Find me on Instagram:   / mathema_trick   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. 👉 https://paypal.me/TheMathQueen Thank you so much for your kindness! It means the world to me! #numbers #maths #mathematics