GRADE 9 · Numbers
Number Systems
Natural numbers, whole numbers, integers, rational numbers · irrational numbers (definition, examples)
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SHOP BY GRADE · MATHEMATICS
Grade 9
Practise higher-level mathematics.
GRADE9THE NEXT STEP
16 TOPICS
The topic list.
Choose a topic to see all included focus areas and the launch price.
GRADE 9 · Numbers
Irrational Numbers & Surds
Definition & examples of surds · types of surds (pure, mixed, like, unlike)
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GRADE 9 · Algebra
Polynomials
Definition · types by degree (linear, quadratic, cubic) & terms (monomial, binomial, trinomial)
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GRADE 9 · Algebra
Linear Equations (2 Variables)
Standard form ax + by + c = 0 · solutions as ordered pairs
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GRADE 9 · Algebra
Coordinate Geometry
Cartesian plane · x- & y-axes
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GRADE 9 · Geometry
Lines & Angles
Basic terms: point, line, line segment, ray · axioms & postulates
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GRADE 9 · Geometry
Triangles
Congruence criteria (SAS, ASA, AAS, SSS, RHS) with formal proofs · properties of isosceles triangle (theorem)
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GRADE 9 · Geometry
Quadrilaterals
Angle sum property of quadrilateral (proof) · types & properties of parallelograms
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GRADE 9 · Geometry
Circles
Circle: chord, arc, sector, segment · equal chords & their distances from centre
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GRADE 9 · Geometry
Constructions
Bisecting an angle · perpendicular bisector of a segment
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GRADE 9 · Measurement
Heron's Formula
Heron's formula derivation overview · calculating area of scalene triangle
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GRADE 9 · Measurement
Surface Area & Volume
Cube & cuboid: TSA, LSA, volume · cylinder: CSA, TSA, volume
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GRADE 9 · Data
Statistics
Primary & secondary data · raw data
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GRADE 9 · Data
Probability
Random experiment · sample space
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GRADE 9 · Algebra
Exponents & Scientific Notation
Revision of laws of exponents · negative & zero exponents
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GRADE 9 · Geometry
Areas — Parallelogram & Triangle
Figures on same base & between same parallels · theorem: parallelograms on same base & between same parallels have equal areas
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A clear practice route
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Find an area to focus on, then use the listed subtopics to see what's included in the topic Blueprint.