Practice Notes - 1.5 | 1. Rational Numbers | CBSE 8 Mathematics | Allrounder.ai
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Practice Questions

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Question 1

Easy

Identify three rational numbers.

💡 Hint: Think of fractions and whole numbers.

Question 2

Easy

What is the closure property of rational numbers?

💡 Hint: Consider if the result stays within rational numbers when performing operations.

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

What is a rational number?

  • A number that can be expressed as a fraction
  • A whole number
  • An irrational number

💡 Hint: Think about how different numbers can be represented.

Question 2

Is addition commutative for rational numbers?

  • True
  • False

💡 Hint: Recall examples of adding fractions in different orders.

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Challenge Problems

Push your limits with challenges.

Question 1

If rational numbers a = 3/5, b = 2/3, and c = 1/4, use the distributive property to calculate a(b + c) and verify your answer.

💡 Hint: Remember to first add b and c before multiplying by a.

Question 2

Given two rational numbers, demonstrate the closure property by adding them and showing the result remains rational. Let the numbers be -1/2 and 3/4.

💡 Hint: Find a common denominator for the addition.

Challenge and get performance evaluation