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| Michael Feagan. (Sept.29 2017). Hand Problem [photo]. |
I think that all of the different ways students had to express this problem help support that this is a rich learning activity.
The final thing I did this week was watch the math mindset video on number flexibility. The exercise the video wanted us to do was to do 18x5 in our heads. I did this by knowing that if 10x10 was 100 then 5x10 would be 50 and 5x8 is 40, so 50+40 is 90. Perhaps a longer way of doing it, but I would not be surprised if I had many students in my math classes who would mentally answer this question this way. This exercise is pretty similar to doing math strings, which I think are an excellent way of bettering number flexibility.
Math strings I think are an excellent way to better a student's mental math flexibility. Recently I presented a webinar with my classmate Paula that highlights the benefits of doing math strings, you can see it in the video below.




