Grade 9 Maths Unit 1: 1.4 Operations on Sets

This video is based on the Ethiopian new curriculum Grade 9 Maths Unit 1: Further on Sets. In this video, we the second part of 1.4 Operations on Sets, which is the most important section of the unit. Grade 9 Maths Unit 1 full playlist:    • Grade 9 Maths Unit 1: Further on Sets   Chapters: 00:00 Introduction 02:37 Universal Set 04:13 Activity 1.2 08:24 Venn Diagrams 09:59 Definition 1.7 (A U B) Union 11:01 Definition 1.8 (A n B) Intersection 12:16 Examples 18:16 Note: Disjoint Sets 19:46 Note: Law of empty set and universal set, commutative law and associative law 24:49 Complement of sets 26:46 Examples 37:18 De Morgan’s Law 42:54 Difference of sets 46:49 Note A-B (A\B) 48:40 Examples 58:36 Theorem 1.1 01:01:40 Symmetric Difference of Two Sets 01:05:55 Examples 01:10:27 Cartesian Product of Two Sets 01:13:02 Examples This video is prepared by Education for Ethiopia, which is a non-profit, non-governmental organization that aims to improve the academic performance of Ethiopian students by providing them with supplementary digital educational resources. These resources are made available through the Saquama ሳቋማ (ሳይንስ፥ ቋንቋ፥ ማትስ) digital platform, (that comprises of a YouTube channel, an application, and a website). ይህ ቪዲዮ የተዘጋጀው ኤጁኬሽን ፎር ኢትዮጵያ በተባለ ለትርፍ ያልተቋቋመ መንግስታዊ ያልሆነ ድርጅት ሲሆን ድርጅቱ ለኢትዮጵያ ተማሪዎች አጋዥ የዲጂታል ትምህርታዊ ግብዓቶችን በማሟላት የትምህርት አፈጻጸምን ለማሻሻል ያለመ ነው። እነዚህ ግብዓቶች የድርጅቱን የዩቲዩብ ቻናል፣ አፕሊኬሽን እና ዌብሳይትን በ ሚያካትተው ሳቋማ (ሳይንስ፣ ቋንቋ፣ ማትስ) በተባለው መድረክ በኩል ይገኛሉ። Developed by: Bizuneh Minda www.saquama.com www.educationforethiopia.org Telegram: https://t.me/Saquama #Saquama #EducationforEthiopia #ሳቋማ #Ethiopian #grade10 #physics #unit1 #PhysicsInAmharic #textbook #newcurriculum #Seifu #saquma #sakuama #saqama #sakuma #sakma #sakama #ሳቃማ #ሳቅማ #saquama #EducationforEthiopia #ሳቋማ #Ethiopian #grade10 #Grade10physics #textbook #saquma #sakuama #saqama #sakuma #sakma #sakama #ሳቃማ #ሳቅማ #Maths #MathsInAmharic #MathsGrade9 #sets #saquama #AddisAbaba #Stemeducation #FreeEducation #grade7generalscience #saquama #educationforethiopia #ሳቋማ #Ethiopian#EthiopianCurriculum #newcurriculum #Seifu #saquma #sakuama #saqama #sakuma #sakma #sakama #ሳቁማ #grade9maths