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Mathematics
5 sections available · 26 chapters available
Free Mathematics study notes for Pre-Secondary One Hong Kong Attainment Test students. Each chapter covers a key topic with examples and practice prompts you can continue inside the thinka app.
Numbers and Operations
Four operations with integers, decimals, and fractions
Simplifying / finding common denominators / Mixed operations
Percentages
Greatest Common Factor (GCF) / Least Common Multiple (LCM)
Rounding, estimation, and approximation
Negative numbers and number lines
Measurement
Length (mm, cm, m, km)
Area (cm², m²)
Volume (cm³, m³)
Weight (g, kg, t)
Capacity (mL, L)
Unit conversion
Time calculation (24-hour clock, time difference, calendar)
Speed
Geometry and Measurement
Basic geometric figures (angles, sides, symmetry)
Triangles (types and properties)
Quadrilaterals (rectangle, square, trapezium, rhombus, parallelogram)
Circles (radius, diameter, circumference, perimeter, area)
Axial symmetry
Introduction to Algebra
Algebraic symbols and operations
Linear equations in one variable
Simple algebraic word problems
Expanding brackets and combining like terms
Statistics and Data Handling
Bar charts, line graphs, and pie charts
Reading and comparing data
Averages
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