Uploaded December 2021 | Updated September 2026, 2 weeks ago

---

These two ways of multiplying are much easier and faster than any way you ever learnt in school! What's more they are easy to remember - easier than the usual method!
But what do you think?

To donate to the tecmath channel:paypal.me/tecmath

To support tecmath on Patreon: patreon.com/tecmath

To buy tecmath mechandise: teespring.com/stores/tecmath-store