34 × 20 in 2 Seconds! The ×20 Trick Your School Never Taught | MathOlympiadLab

34 × 20 in 2 seconds! ⚡

Skip the long multiplication. Here's the trick:

20 is just 2 × 10, so:
Double the number: 34 → 68
Add a zero: 680 ✓

That's it! 34 × 20 = 680

Try these with your child:
23 × 20 = ?
45 × 20 = ?
16 × 20 = ?

Tag another parent who'd love this 👇

Free practice questions in bio 🎯

#mathtricks #mentalmaths #multiplicationtricks #MathOlympiadLab #mathsforkids #olympiadmaths

Видео 34 × 20 in 2 Seconds! The ×20 Trick Your School Never Taught | MathOlympiadLab канала MathOlympiadLab