//=time() ?>
🎥 @YouTube presents: Teaching With YouTube 01 - Equipment!
Teachers worldwide are discovering & using the power of video to support learning. But where do you begin? 7 years’ worth of lessons, packed into 3 videos - starting with gear.
📼 Video: https://t.co/jTPmSXZWJf
Quick visual proof that (1+2+3+4+5)²=1³+2³+3³+4³+5³. Similar diagrams can be constructed to show (1+2+3+...+n)²=1³+2³+3³+...+n³ #mathchat