This class with Maggid Shiur Rabbi Moshe Wolberg of Manchester, England covers the daily Perek Echod of Rambam.
The Shiur includes an inside review of the text, as well as thoughts on the Perek.
Below are links for the Hebrew and English text –
Daily Rambam Shiur with Rabbi Moshe Wolberg of Manchester, England: Do we rely on mathematical calculations in Kiddush Hachodesh? Video