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CBSENCERT.Class8.Math.RationalNumbersNCERT-2023

Rational numbers: properties and representation

NCERT (CBSE)·math·Grade 8·Bloom: Analyze·Last verified: May 17, 2026

Understand properties of rational numbers (closure, commutativity, associativity, distributivity), find rational numbers between two given numbers, and represent rational numbers on the number line.

🎯 Practice this standard →Open publisher source ↗

Skills that teach this standard (3)

2 with free practice questions
Scatter Graphs
Data & Statistics · Ages 13–14 · try 3 free questions
Scatter Graphs & Correlation
Data & Statistics · Ages 13–14 · try 3 free questions
Linear Function Graphs
Algebra · Ages 12–14 · questions coming soon

Concepts covered (51)

Showing the first 50
Using The Distributive Property
algebraicExpressionsAndIdentities · math · Grade 8
Properties of Rational Numbers
rationalNumbers · math · Grade 8
Representation on Number Line
rationalNumbers · math · Grade 8
Rational Numbers Between Two Numbers
rationalNumbers · math · Grade 8
Subtracting Rational Numbers
rationalNumbers · math · Grade 8
Understanding Rational Numbers
rationalNumbers · math · Grade 8
Comparing Rational Numbers
rationalNumbers · math · Grade 8
Adding Rational Numbers
rationalNumbers · math · Grade 8
Multiplying Rational Numbers
rationalNumbers · math · Grade 8
Understanding Absolute Value Of Rational Numbers
rationalNumbers · math · Grade 8
Dividing Rational Numbers
rationalNumbers · math · Grade 8
Finding Equivalent Rational Numbers
rationalNumbers · math · Grade 8
Converting Improper Fractions To Mixed Numbers
rationalNumbers · math · Grade 8
Identifying Rational Numbers In Real Life
rationalNumbers · math · Grade 8
Converting Mixed Numbers To Improper Fractions
rationalNumbers · math · Grade 8
Understanding The Decimal Representation
rationalNumbers · math · Grade 8
Operations on Rational Numbers
rationalNumbers · math · Grade 8
Representation on Number Line
rationalNumbers · math · Grade 8
Operations With Scientific Notation
exponentsAndPowers · math · Grade 8
Compound Interest
comparingQuantities · math · Grade 8
Plotting Points on Cartesian Plane
introductionToGraphs · math · Grade 8
Understanding Cartesian Coordinate System
introductionToGraphs · math · Grade 8
Plotting Points On A Graph
introductionToGraphs · math · Grade 8
Labeling Graph Axes
introductionToGraphs · math · Grade 8
Evaluating Algebraic Expressions
algebraicExpressionsAndIdentities · math · Grade 8
Understanding Ratios
comparingQuantities · math · Grade 8
Calculating Compound Interest
comparingQuantities · math · Grade 8
Comparing Quantities
comparingQuantities · math · Grade 8
Calculating Percentages
comparingQuantities · math · Grade 8
Using Proportions
comparingQuantities · math · Grade 8
Percentages and Discounts
comparingQuantities · math · Grade 8
Properties of Rational Numbers
rationalNumbers · math · Grade 8
Calculating Compound Interest
compoundInterest · math · Grade 8
Calculating Compound Interest Quarterly
compoundInterest · math · Grade 8
Understanding Effective Annual Rate
compoundInterest · math · Grade 8
Scientific Notation
exponentsAndPowers · math · Grade 8
Understanding Negative Exponents
exponents · math · Grade 8
Understanding Rate Of Change
comparingQuantities · math · Grade 8
Applications Of Proportions In Real Life
directAndInverseProportions · math · Grade 8
Multiplying Rational Numbers
rationalNumbers · math · Grade 8
Adding Rational Numbers
rationalNumbers · math · Grade 8
Rational Numbers In Decimal Form
rationalNumbers · math · Grade 8
Dividing Rational Numbers
rationalNumbers · math · Grade 8
Comparing Rational Numbers
rationalNumbers · math · Grade 8
Understanding Rational Numbers
rationalNumbers · math · Grade 8
Subtracting Rational Numbers
rationalNumbers · math · Grade 8
Identifying Equivalent Fractions
rationalNumbers · math · Grade 8
Finding Reciprocals
rationalNumbers · math · Grade 8
Understanding Absolute Value
rationalNumbers · math · Grade 8
Converting Mixed Numbers
rationalNumbers · math · Grade 8

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