View full lesson: http://ed.ted.com/lessons/mysteries-of-vernacular-zero-jessica-oreck-and-rachael-teel
Though the first written number system can be dated back to 2500 years ago in Mesopotamia, a zero-like symbol did not appear until 7th century CE India. Jessica Oreck and Rachael Teel track the evolution of zero from a dot to the symbol we use today, as well as the Arabic, Italian and French roots of the word.
Lesson by Jessica Oreck and Rachael Teel, animation by Jessica Oreck.
Tagged under: linguistics language vernacular \Arabic \,\Jessica,Oreck\,\Rachael,Teel\,\mysteries,vernacular\,TED-Ed,\TED,Ed\,TEDEducation
Clip makes it super easy to turn any public video into a formative assessment activity in your classroom.
Add multiple choice quizzes, questions and browse hundreds of approved, video lesson ideas for Clip
Make YouTube one of your teaching aids - Works perfectly with lesson micro-teaching plans
1. Students enter a simple code
2. You play the video
3. The students comment
4. You review and reflect
* Whiteboard required for teacher-paced activities
With four apps, each designed around existing classroom activities, Spiral gives you the power to do formative assessment with anything you teach.
Carry out a quickfire formative assessment to see what the whole class is thinking
Create interactive presentations to spark creativity in class
Student teams can create and share collaborative presentations from linked devices
Turn any public video into a live chat with questions and quizzes