Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take mock test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Write the roster notation for the set of the first five positive integers.
💡 Hint: Think about counting from 1 to 5.
Question 2
Easy
What does the set-builder notation {x | x is a whole number} represent?
💡 Hint: Consider what a whole number is.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
Which notation lists all elements of a set?
- Set-Builder Notation
- Roster Notation
- Neither
💡 Hint: Remember the way we write the elements.
Question 2
True or False: Set-builder notation can describe infinite sets.
- True
- False
💡 Hint: Think about how we represent all even numbers.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create a set in set-builder notation for all positive integers that are also perfect squares. Then convert it to roster notation for integers less than 10.
💡 Hint: Think about what perfect squares below 10 are.
Question 2
Describe a set using set-builder notation that contains all rational numbers less than 5. Then explain why listing such numbers would be challenging.
💡 Hint: Reflect on the infinite nature of rational numbers.
Challenge and get performance evaluation