Teaching through a video (Quadratic Equations)

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Teaching using a video. (Quadratic Equations)

When we hand out a video to students to learn from, often teachers claim that the students are not really learning or we do not know how to test if they have learnt something.

I think when a video is handed out, we have to give some very good leading questions also to students to extract information out of the video. Else they may not know exactly what they are supposed to learn and can come back with a "that was awesome!" or "that sucked!" approach.

This is how my lesson went:
1. I gave students a weblink for a youtube video on applications of quadratic equations and asked them to spread out with their partner anywhere in the school. The video involves the following:

"An answer to the common question from students, "When am I ever gonna use this stuff?" This episode of Math In Action features Sgt. Rob Krider of the CHP MAIT (California Highway Patrol Multidisciplinary Accident Investigation Team). Sgt. Krider discusses how the CHP uses mathematics at the scene of an accident to determine the speed of the vehicles involved. Sgt. Krider uses measurements, an equation involving square roots and unit analysis."

2. I gave them a handout with the following questions on it:
  • How many individuals do you see in the video?
  • What exactly are they discussing?
  • What is the story?
  • Which Math topic are they using?
  • Write the formula that they use. 
  • Create a word problem where this formula can be used. 

3. I put them into pairs so they could discuss the answers.
4. I gave them 20 minutes and asked them to choose the space that they wanted to work, anywhere in the school. 
5. Post 20 minutes they had to be back into the class and we had a discussion on it.

...And then we moved to the lesson!

What are the skills involved?
  • Information processing
  • Time management
  • Self discipline
  • Team work
  • Managing material 
Anything else I have missed out?


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