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Curriculum/Secondary 1
Singapore Maths · Ages 12–13

Secondary 1 Maths Topics and Practice

Browse selected live topics for focused Secondary practice. Your learner’s school materials remain the guide to the full course sequence and coverage.

About Secondary 1 mathematics

Secondary 1 is a significant change in setting and pace, but it continues the same broad mathematical purpose: making sense of quantities, relationships, space and data. The MOE Secondary Mathematics curriculum is organised into Number and Algebra, Geometry and Measurement, and Statistics and Probability. What students study and when depends on the subject level they take, so a grade label by itself does not describe every learner's course.

Across the Secondary curriculum, arithmetic becomes more connected to algebraic notation, graphs, geometric reasoning and data interpretation. Learners begin to use symbols and representations to express relationships, rather than relying only on direct calculations. They also meet more formal vocabulary and are asked to communicate how a method works. A diagram, table, number line or equation can each make a different part of a problem easier to see.

For families moving up from Primary 6, it can help to focus on adjustment as well as content. Secondary students meet different teachers, routines and subject expectations. Building a habit of recording working, checking units and asking what a symbol represents can support learning across topics. When a result is unexpected, comparing it with the original situation is a useful way to decide what to revisit.

Singapore Math Drills offers selected live topics for Secondary learners. Practice is focused on the topics currently available, while a student's school course plan remains the reference for breadth and sequence. The platform also provides progressive hints and worked solutions, which can help a learner see a next step and then review the reasoning. Parents can use the interactive skill map to check practice progress and open a targeted subtopic drill.

Secondary 1 is a good time to build confidence with mathematical language and independent study habits. Encourage your teen to explain why a method fits, keep track of assumptions and use an example to check an idea. These habits matter alongside accurate calculation. They make it easier to connect a new topic to what the learner already knows and to handle the greater abstraction that develops through the Secondary years.

What changes from Primary 6

S1 begins the Secondary curriculum's more formal use of algebraic notation, graphs and mathematical language across three strands. Students also adjust to Secondary routines, while the exact syllabus depth depends on their subject level.

Topics and subtopics

Mathematics

  • Numbers & Operations (S1)

    • Primes and Prime Factorisation
    • HCF and LCM
    • Squares, Cubes and Roots
  • Integers & Negative Numbers (S1)

    • Comparing and Ordering Integers
    • Four Operations on Integers
    • Rational Numbers
  • Approximation & Estimation (S1)

    • Rounding to Decimal Places
    • Significant Figures
    • Estimation
  • Algebraic Expressions & Formulae (S1)

    • Writing Algebraic Expressions
    • Evaluating Expressions and Formulae
    • Simplifying Linear Expressions
    • Expanding and Factorising
  • Linear Equations (S1)

Build confidence with focused practice

Try a sample drill or start a free practice account to explore guided questions, progressive hints and worked solutions.

Try a sample drillStart free Secondary 1 practice
Previous grade← Previous: Primary 6Next gradeNext: Secondary 2 →
  • Solving Linear Equations
  • Simple Fractional Equations
  • Forming Linear Equations
  • Number Patterns (S1)

    • Continuing Number Patterns
    • General Term of a Sequence
  • Ratio, Rate & Speed (S1)

    • Ratio
    • Average Rate
    • Speed and Average Speed
  • Percentage (S1)

    • Percentage of a Quantity
    • Percentage Increase and Decrease
    • Reverse Percentage
  • Angles, Triangles & Polygons (S1)

    • Angles and Parallel Lines
    • Properties of Triangles and Quadrilaterals
    • Angle Sum of Polygons
  • Perimeter & Area (S1)

    • Area of Parallelograms and Trapeziums
    • Composite Plane Figures
  • Volume & Surface Area (S1)

    • Prisms
    • Cylinders
    • Composite Solids
  • Statistical Data Handling (S1)

    • Reading Statistical Diagrams
    • Choosing a Suitable Diagram
    • Misleading Diagrams
  • Linear Functions & Graphs (S1)

    • Cartesian Coordinates
    • Graphs of Linear Functions
    • Positive and Negative Gradients