Using an Activity To Teach

January 14th, 2012 § 1 comment

I recently created a real-world lesson about taking off consecutive percents vs. taking off the same discount in one step (20% then 20% again vs. 40% off the original price). I often call this stacking percents. Rather than go through a normal lesson day of notes, examples and practice and then do this activity the next day – I decided to try using this lesson to teach students about the difference. The results were mixed but positive overall.

The big point of the lesson is trying to get students to see that taking the discount off in two steps will get a different result compared to taking it off in one step. This lesson had students take a more inquiry based approach (which I will be writing on plenty in the future) as most students assumed that the discounts would result in the same price.

Doing it through the activity allowed them to find out which one saved more and conjecture about why it saved more. This worked out really well for my moderate to advanced students and not quite as well for my low students. This is partially my fault as my low students were struggling to find the percent discounts as I did not properly scaffold this skill for them – definitely something I will change in the future. I like this method of approach for students that have a firm grasp of content as it allows them to explore the learning possibilities themselves. I will continue to experiment with this approach and see what role it can take in an every-day class environment.

§ One Response to Using an Activity To Teach

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