CBSE Class 8 Mathematics – Rational Numbers

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Study Materials

8th

8th - Mathematics

Rational Numbers

Chapter Overview

This chapter introduces rational numbers, which include all fractions and integers that can be expressed as a ratio of two integers. Students explore the properties of rational numbers, their representation on the number line, and how to perform basic arithmetic operations with them. The chapter strengthens the understanding of numbers and their interactions in real-world and mathematical contexts.

Important Keywords

  • Rational Number: A number that can be expressed in the form p/q, where p and q are integers and q ≠ 0.
  • Reciprocal: The inverse of a number, such that their product is 1.
  • Number Line: A visual representation of numbers in order on a straight line.
  • Equivalent Rational Numbers: Rational numbers that represent the same value when simplified.
  • Standard Form: A rational number expressed such that the denominator is positive and the numerator and denominator have no common factors other than 1.

Detailed Notes

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