Year 9 maths

IXL offers hundreds of Year 9 maths skills to explore and learn! Not sure where to start? Go to your personalised Recommendations wall to find a skill that looks interesting, or select a skill plan that aligns to your textbook, national curriculum or standardised test.

IXL offers hundreds of Year 9 maths skills to explore and learn! Not sure where to start? Go to your personalised Recommendations wall to find a skill that looks interesting, or select a skill plan that aligns to your textbook, national curriculum or standardised test.

A. Number theory

  1. 1
    Prime or composite
  2. 2
    Prime factorisation
  3. 3
    Highest common factor
  4. 4
    Lowest common multiple
  5. 5
    HCF and LCM: word problems
  6. 6
    Classify numbers

B. Integers

  1. 1
    Integers on number lines
  2. 2
    Graph integers on horizontal and vertical number lines
  3. 3
    Compare and order integers

H. Standard form

  1. 1
    Convert between ordinary numbers and standard form
  2. 2
    Standard form on calculators
  3. 3
    Compare numbers written in standard form

N. Problem solving

  1. 1
    Multi-step word problems
  2. 2
    Multi-step word problems: identify reasonable answers
  3. 3
    Guess-and-check word problems
  4. 4
    Use Venn diagrams to solve problems

O. Coordinate plane

  1. 1
    Coordinate plane review
  2. 2
    Quadrants and axes
  3. 3
    Follow directions on a coordinate plane
  4. 4
    Find the distance between two points

Y. Two-dimensional figures

  1. 1
    Triangle inequality
  2. 2
    Find missing angles in triangles and quadrilaterals
  3. 3
    Exterior Angle Theorem
  4. 4
    Interior angles of polygons
  5. 5
    Parts of a circle

Z. Three-dimensional figures

  1. 1
    Parts of three-dimensional figures
  2. 2
    Nets of three-dimensional figures
  3. 3
    Front, side and top view
  4. 4
    Base plans

BB. Volume and surface area

  1. 1
    Volume of prisms and cylinders
  2. 2
    Volume of compound figures
  3. 3
    Surface area of prisms and cylinders