Junior Mathematics

Approximation and Errors: Significant Figures Errors in Approximation Errors in Measurement

Index Notation: Basic Concepts Laws of +ve Integral Indices (1) Laws of +ve Integral Indices (2) Laws of Zero and -ve Integral Indices Scientific Notation Binary System Hexadecimal System

Percentages: Successive % Changes Growth and Decay Simple Interest Compound Interest Rates and Taxation

Introduction to Polynomials: Basic Concepts Multiplication Factorization (Grouping Terms) Cross Method (1) Cross Method (2) Cross Method (3)

Identities: Meaning Diff. of Two Squares Perfect Square Sum and Diff. of Cubes

Formulas: Change of Subject

Linear Equations in Two Unknowns: Basic Knowledge Graphical Method

Rate and Ratio: Rate Ratio

Handling Continuous Data: Organization and Presentation Cumulative Frequency

Mensuration: Circles Arcs and Sectors Cylinders Pyramids Circular Cones Spheres Similar Solids Frustums

2D Geometry: Ext. Angles of Triangle Isos. Triangles Equil. Triangles Int. Angles of Polygon Ext. Angles of Polygon Constructing Angles Constructing Polygons Proving Parallel Lines Kites, Trapeziums and //grams Rectangles, Rhombuses and Squares Proving //grams Mid-point Theorem Intercept Theorem Sides and Angles Triangle Inequality Special Lines of Triangle Centres of Triangle

Pythagoras' Theorem: Square Root Converse of Pyth. Theorem

Coordinate Geometry: Distance between Two Points Slope and Inclination Parallel Lines Perpendicular Lines Point of Division

Trigonometry: Sine Cosine Tangent Special Angles Trigo. and Pyth. Theorem Trigo. Identities (1) Trigo. Identities (2) Gradient Angles of Elev. and Depr. Bearings

Inequalities: Basic Concepts Solving Inequalities

3-D Figures: Lines and Angles 2D Representations Symmetry of Solids Nets of Solids

Statistics: Abuses of Diagrams Effect of Changes of Data Choosing Suitable Measure Weighted Mean

Probability: Basic Concepts Experimental Probability Geometric Probability Expected Value