Algebra (Sec 1) Practice
Master algebraic expressions β expansion, simplification, substitution, and factorisation with a common factor. This is the most important topic in Sec 1: fluency here determines success in every subsequent year.
Common Mistakes to Avoid
Sign errors when expanding: β2(x β 3) gives β2x + 6, not β2x β 6
Combining unlike terms (e.g. 2x + 3 cannot be simplified further)
Forgetting to multiply every term inside brackets
Practice Questions
Try each question. When you're stuck, reveal the Socratic strategy β a guided hint that teaches you how to think, not just what to write.
Simplify 3(2a + 4) β 2(a β 1).
Factorise completely: 6xy + 9y.
If x = 3 and y = β2, find the value of xΒ² β 2y.
Parent & Tutor Insight
The jump from P6 algebra (basic substitution) to Sec 1 algebra (manipulation of expressions with negatives) is where most Sec 1 students struggle. Deliberate practice on sign handling β not just expansion β is the highest-leverage activity in the first semester.
Want More Practice?
Get personalised daily practice questions at your exact level. Adaptive questions, Socratic hints, and progress tracking β all free to start.
No credit card required Β· MOE 2026 Aligned Β· Free to start