I explain what reciprocal numbers are, including a visual interpretation for them. Then we study the rule for fraction division: To divide by a fraction, multiply by its reciprocal.
Lastly, I explain why this rule works, based on reciprocal numbers and on interpreting division as "how many times does the divisor fit into the dividend".
Tagged under: division,fractions,How-
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
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