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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Are whole numbers closed under addition?
💡 Hint: Think about adding 2 and 3.
Question 2
Easy
What is an example of two integers that subtract to a positive number?
💡 Hint: Choose integers such as 5 and 3 or similar.
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
Are whole numbers closed under subtraction?
- True
- False
💡 Hint: Consider an example like 3 - 5.
Question 2
What kind of numbers are rational numbers?
- Whole numbers
- Fractions
- Integers
💡 Hint: Think of the definition of rational numbers.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Find two rational numbers p/q and r/s such that p/q + r/s results in a rational number, verifying closure.
💡 Hint: Think of a common denominator.
Question 2
Using examples, explain why closure can't hold for division within integers.
💡 Hint: Consider outcomes when dividing if the divisor is larger or smaller.
Challenge and get performance evaluation