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Math Grade 9 Topics

Grade 9 Online Math Practice

Click on the skills given below to start practicing

  • Number Systems
      ‐ A quick revision
      ‐ Irrational numbers
      ‐ Real numbers and decimal expansions
      ‐ Representing real numbers on Number Line
      ‐ Operations on real numbers
      ‐ Laws of exponents for real numbers

  • Polynomials
      ‐ Polynomials in one variable
      ‐ Zeroes of a polynomial
      ‐ Remainder Theorem
      ‐ Factorisation of polynomials
      ‐ Algebraic Identities

  • Coordinate Geometry
      ‐ Cartesian System
      ‐ Plotting point in the plane

  • Linear Equations in two variables
      ‐ Linear equations
      ‐ Solution of linear equation
      ‐ Graph of a linear equation in 2 variable
      ‐ Equations of lines parallel to x-axis & y-axis

  • Introduction to Euclid's Geometry
      ‐ Euclid definitions, axioms and postulates
      ‐ Equivalent versions of Euclid fifth postulate

  • Lines and Angles
      ‐ Terms and Definitions
      ‐ Intersecting lines & Pair of angles
      ‐ Parallel lines and Transversal
      ‐ Lines parallel to same line
      ‐ Angle sum property of a triangle

  • Triangles
      ‐ Congruence of triangles
      ‐ Criteria for congruence of triangles
      ‐ Properties of a triangle
      ‐ More Criteria for congruence of triangles
      ‐ Inequalities in a triangle

  • Quadrilaterals
      ‐ Introduction to quadrilaterals
      ‐ Angle sum property of a quadrilateral
      ‐ Types of quadrilaterals
      ‐ Properties of a parallelogram
      ‐ Condition for a quadrilateral to be a parallelogram
      ‐ Mid-point Theorem

  • Areas of parallelograms and triangles
      ‐ Figures on same base and between same parallels
      ‐ Parallelograms on same base and between same parallels
      ‐ Triangles on same base and between same parallels

  • Circles
      ‐ A quick revision
      ‐ Angle subtended by chord at a point
      ‐ Perpendicular from centre to chord; Circle through 3 points
      ‐ Equal chords and distances from centre
      ‐ Angle subtended by arc of circle
      ‐ Cyclic quadrilaterals

  • Constructions
      ‐ Basic Constructions
      ‐ Constructions of triangles

  • Heron's Formula
      ‐ Introduction to Heron’s Formula
      ‐ Finding area of a triangle using Heron’s Formula
      ‐ Finding area of a quadrilateral using Heron’s Formula

  • Surface Areas and Volumes
      ‐ Cube: Surface Area & Volume
      ‐ Cuboid: Surface Area & Volume
      ‐ Cylinder: Surface Area & Volume
      ‐ Cone: Surface Area & Volume
      ‐ Sphere: Surface Area & Volume
      ‐ Hemisphere: Surface Area & Volume

  • Statistics
      ‐ Collection of data
      ‐ Presentation of data
      ‐ Graphical representation of data
      ‐ Measures of central tendency

  • Probability
      ‐ Probability

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