Practice - Exercises
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 practice test.
Practice Questions
Test your understanding with targeted questions
Is the sum of 2/3 and 1/3 a rational number?
💡 Hint: Add the fractions.
Do rational numbers include negative values?
💡 Hint: Think of fractions.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
Are rational numbers closed under addition?
💡 Hint: Think of how fractions add up.
Is subtraction commutative?
💡 Hint: Consider the expression 5 - 2 vs 2 - 5.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Create your own set of rational numbers and demonstrate addition and multiplication with three numbers to show closure.
💡 Hint: Use the LCM to add the fractions.
Explain with examples how the associative property differs between addition and subtraction.
💡 Hint: Draw out the calculations for clarity.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.