Introduction to Cosmology in 4 lectures
Lecture 1 From the beginning to the FRW metric
Lecture 2 From the universe's composition to the Friedmann Equations -via the dark matter (I have skiped the distances slides towards the end)
Lecture 3 cosmological perturbations and introduction to the CMB
Lecture 4 Accelerated expansion and outlook for the future
Material for "aficionados"
Cosmological parameters plotter links also to the analysis output called Cosmological parameters table
CAMB on-line compute your own theoretical CMB and dark matter power spectrum
Supernovae data challenge: see for yourself the signature of the accelerating universe