Golden Ratio & Fibonacci [part3]This is the final part from this amazing video series by Vi Hart. #goldenratio #fibonacci
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![Thoughts about math education [ part 2 ]: Social value of the teacher profession and it's conseq](https://static.wixstatic.com/media/4d04be_4473fb778aaf4e7db5f776a81c228bc3.png/v1/fill/w_47,h_37,fp_0.50_0.50,enc_auto/4d04be_4473fb778aaf4e7db5f776a81c228bc3.png)
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