NCERT class 8 mathematics chapter 1 – “Rational Numbers” are closed under the operations of addition, subtraction and multiplication. Practice multiple-choice questions (MCQs) for the CBSE exams to prepare for the objective questions. We have provided Class 8 MCQ Questions on “Rational Numbers” paired with comprehensive explanations. CBSE is emphasizing the role of MCQs as they assist in understanding the concepts completely.
As compared to subjective questions, MCQs are very different so practicing and understanding how to get appropriate answers in MCQs is very essential. To revise the main concepts, students should practice all the MCQs with the answers given. This will also help them familiarize themselves with the kinds of questions that might appear in the board exams.
Also Check – Class 8 Mathematics MCQs with Answers
Topics covered in Rational Numbers
- Properties of Rational Numbers
- Commutativity
- Associativity
- The role of 1
- Negative of a Number
- Reciprocal
- Distributivity of Multiplication over Addition for Rational Numbers
- Representation of Rational Numbers on the Number Line
- Rational Numbers between two Rational Numbers
CBSE Class 8 Mathematics Rational Numbers MCQs – PDF Download
Answers –
Summary for NCERT class 8 mathematics chapter 1 – Rational Numbers
- Rational numbers are closed under the operations of addition, subtraction and multiplication.
- The operations addition and multiplication are (i) commutative for rational numbers. (ii) associative for rational numbers.
- The rational number 0 is the additive identity for rational numbers.
- The rational number 1 is the multiplicative identity for rational numbers.
- The additive inverse of the rational number a/b is -a/b and vice-versa.
- Rational numbers can be represented on a number line.
- Between any two given rational numbers there are countless rational numbers. The idea of mean helps us to find rational numbers between two rational numbers.
Best Reference Books for Class 8 Mathematics
- NCERT Textbook + Exemplar Problems Solutions Mathematics
- NCERT at your Fingertips Mathematics
- Foundation Course Mathematics
- Practice-cum-Workbook Mathematics
- Integrated Learning Mathematics
