You can find the online course materials in the following links:

Math 117 - Calculus-I | 2019-2020 Spring

• Instructor(s): Assoc.Prof.Dr. İbrahim Ünal, Assoc.Prof.Dr. Ahmet Beyaz

• Lectures: Playlist for lectures of MATH 117/119, starting from Section 4.4 (Instructor: Asst. Prof. Burak Kaya)

• Lecture notes: Lecture Notes of the online lectures for MATH117/119 (and previous lectures) (Instructor: Asst. Prof. Burak Kaya)

• Lectures notes: Lecture notes-01, Lecture notes-02, Lecture notes-03
• Recitations: Video lectures (Instructor: Melis Aslan)
• Recitation Notes: 01, 02, 03, 04, 05, 06
  

Math 119 - Calculus with Analytic Geometry | 2019-2020 Spring

• Lectures: YouTube playlist for lectures of MATH 119, starting from Section 4.4 (Instructor: Asst. Prof. Burak Kaya)
• Lecture notes: Lecture Notes of the online lectures (and previous lectures) (Instructor: Asst. Prof. Burak Kaya)
• Recitations: YouTube playlist for recitations (Instructor(s): Melis Aslan, Kadri İlker Berktav)
• Recitation notes: 03, 04, 05, 06, 07, 08, 09, 10, 11
  

Math 118 - Calculus-II | 2019-2020 Spring

Instructor(s): Assoc.Prof.Dr. Emre Coşkun, Assoc.Prof.Dr. Semra Öztürk, Niyazi Anıl Gezer, Ahmed Yekta Ökten

Course link(s):

• The course webpage for a complete list of online materials 
• Playlist for video lectures & recitations
• Lecture Notes: 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11,  12, 13, 14, 15 
• Recitation Notes: 01, 02, 03, 04, 05, 06, 07, 08, 09

For eye-friendly contrast in Adobe reader, check this link.

Math 120 - Calculus of Functions of Several Variables | 2019-2020 Spring

Instructor(s): Assist.Prof.Dr. Dilber Koçak, Prof.Dr. Songül Kaya Merdan, Assoc.Prof.Dr. Mehmetcik Pamuk, Assoc.Prof.Dr. Tolga Karayayla, Kadri İlker Berktav

Course link(s):

• Playlist for video lectures  
• Notes: [Before Ch.12], 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25
• Playlist for recitations  
• Recitation notes: 01, 02, 03, 04, 05, 06, 07, 08
  

Math 126 - Basic Mathematics II | 2019-2020 Spring

• Instructor(s): Assoc.Prof.Dr. Ebru Solak, Niyazi Anıl Gezer, M. Ali Batan
• Course link(s):  Video lectures/recitations 

Math 219 - Introduction to Differential Equations | 2019-2020 Spring

• Instructor(s): Assoc.Prof.Dr. Belgin Korkmaz
• Course link(s): Video lectures

Math 250 - Advanced Calculus for Statistics | 2019-2020 Spring

• Instructor(s): Asst. Prof. Baver Okutmuştur
• Lecture notes - 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, 13
• Recitation notes: 01, 02, 03, 04, 05

Math 260 - Basic Linear Algebra | 2019-2020 Spring

• Instructor(s): Assoc.Prof.Dr. Mustafa Gökhan Benli &  Assoc.Prof.Dr. Semra Pamuk
• Course link(s): Video lectures & Lecture notes