Name of Learner: Section: MATHEMATICS 7 Grade Level: Date: LEARNING ACTIVITY SHEET Week 1 Quarter 1 Learning Competency with code The learner illustrates well-defined sets, subsets, universal sets, null set, cardinality of sets, union and intersection of sets and the difference of two sets (M7NS-la-1,& M7NS-la-2) Directions: Different activities were prepared for you to be well versed on the concept of Sets. Activity 1 SET IT UP! Write S if the given group or collection is a set and NS if it is not. Write your answer on the space provided before each number. 1. Collection of students in your class whose surname starts with letter A. 2. Countries in Asia affected by covid-19 3. Collection of distinct letters of the word "PANDEMIC" 4. Group of cities in the province of Isabela 5. Group of enjoyable subjects in high school 6. Group of students in your class who wear mask 7. Collection of hygiene kits for sanitation 8. Group of major TV stations in the Philippines 9. Group of good schools in Santiago City 10. Cities in Metro Manila under ECQ(Enhanced Community Quarantine) READY?​