TIMESTAMPS: 00:04 Useful math tricks 01:45 Multiply with your fingers 02:15 The “Butterfly” method ---------------------------------------------------------------------------------------- Our Social Media: 5-Minute Crafts YouTube: http://bit.ly/2itjCyw Facebook: https://www.facebook.com/5min.crafts/ Instagram: https://www.instagram.com/5.min.crafts/ Twitter: https://twitter.com/5m_crafts Subscribe to 5-Minute Crafts GIRLY: https://goo.gl/fWbJqz Subscribe to 5-Minute Crafts KIDS: https://goo.gl/PEuLVt Subscribe to 5-Minute Crafts MEN: http://bit.ly/2S69VUG The Bright Side of Youtube: https://goo.gl/rQTJZz ---------------------------------------------------------------------------------------- For more videos and articles visit: http://www.brightside.me/ For brand partnership enquiries: brands@thesoul-publishing.com Music by Epidemic Sound: https://www.epidemicsound.com/