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Posts tagged with teaching and learning

Powerful Interactive Tools for Learning

March19

Check out the helpful list of six interactive tools for helping students engage with their Mathematics: Six Tools To Create Interactive Learning Content On Your Blog  

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If I learn Pi to 1000 places will I be a better mathematician?

February16

This post asks an interesting question. So, as a high school student, I go to the trouble (and it would be some trouble) to learn the value of Pi to 1000 decimal places. Will that make me a better mathematician? NO, according to recent research on how we learn. Check out this article on this […]

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New learning materials for Math Students

January12

The Salt Lake Tribune newspaper recently announced a new mathematical initiative to help students and teachers in Years 7 and 8, with further development in High School Mathematics. In this instance, Utah Middle School Math is not a traditional hardbound textbook.┬áRather, it is a series of “chapters” that can be downloaded, free of charge, by […]

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Post Support

NCEA Level 2 Algebra Problem. Using the information given, the shaded area = 9, that is:
y(y-8) = 9 –> y.y – 8y – 9 =0
–> (y-9)(y+1) = 0, therefore y = 9 (can’t have a distance of – 1 for the other solution for y)
Using the top and bottom of the rectangle,
x = (y-8)(y+2) = (9-8)(9+2) = 11
but, the left side = (x-4) = 11-4 = 7, but rhs = y+? = 9+?, which is greater than the value of the opp. side??
[I think that the left had side was a mistake and should have read (x+4)?]

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