K-12 online lesson alignment to the principles of Universal Design

Article regarding Universal Design for Learning and provide a summary of the article and discuss connections to the lesson you are developing.
Smith, S. J., & Harvey, E. E. (2014). K-12 online lesson alignment to the principles of Universal Design for Learning: the Khan Academy. Open Learning, 29(3), 222-242.
Visit the CAST Universal Design for Learning website and use resources there to identify strategies that you could integrate into the lesson you are developing. Discuss at least two strategies that you could meaningfully integrate into the lesson you are developing.
https://drive.google.com/open?id=1W-oUYQ1-yqEOgVoS-QadLxbaAMKK6FFA
http://www.cast.org/our-work/about-udl.html#.XGn5889Kho4