These are my lectures on primes and open problems in number theory, read for grade 11/12 students at Math Circles (University of Waterloo).
Lecture 1 (February 7th, 2018)
Prime Numbers, Euclid’s Theorem, The Fundamental Theorem of Arithmetic, Prime Number Theorem (slides and solutions)
Lecture 2 (February 14th, 2018)
Twin Prime Conjecture, The First Hardy-Littlewood Conjecture, Large Gaps Between Primes (slides and solutions)
Note: More interesting videos, slides, exercises and solutions from Math Circles can be found here.
The videos seem to have moved. https://cemc.uwaterloo.ca/events/mathcircle_presentations_sr.html
Thanks for pointing this out! I will fix it.