Activities, Writings, and Videos by Debra K. Borkovitz
The Farey Sequence, Fn is the list of all simplified fractions between 01 and 11 with denominator less than or equal to n. For example, F5=01,15,14,13,25,12,35,23,34,45,11
This applet is a pick a number game, where the secret number is a fraction between 0 and 1. Enter a numerator and denominator and the computer will tell you if your fraction is too high or too low, until … Read More
In my post Trigonometry Yoga, I discussed how defining sine and cosine as lengths of segments in a unit circle helps develop intuition for these functions. I learned the circle definitions of sine and cosine in my junior year of … Read More