Educational Blog
Tips, guides, and exam prep for PSLE and O-Level students
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S1 Angles & Parallel Lines: F, Z, C Patterns Made Simple
Master Secondary 1 angles and parallel lines. Learn the F-pattern (corresponding), Z-pattern (alternate), and C-pattern (co-interior) with worked examples and reasoning tips.
Dual Coding: Study Singapore Math Faster With Pictures
Working Backwards: The PSLE Math Strategy for Tricky Problems
Math Exam Morning: Your 90-Minute PSLE & O-Level Routine
Does Your Child Really Need Math Tuition? An Honest Guide
8 Circle Mistakes P6 Students Make That Cost PSLE Marks
PSLE Math Guides
See all 44 →Working Backwards: The PSLE Math Strategy for Tricky Problems
When a PSLE Math problem feels stuck, working backwards from the answer often unlocks it in seconds. Learn the 4-step method with 5 worked examples.
8 Circle Mistakes P6 Students Make That Cost PSLE Marks
Circle questions appear every PSLE — and the same 8 errors cost marks every year. See the wrong vs right working for each so you never lose these marks again.
P5 Quadrilaterals: Parallelogram, Rhombus & Trapezium Guide
Master P5 quadrilateral properties — parallelogram, rhombus and trapezium angle rules with 10 worked examples and a quick-reference card for PSLE.
5 PSLE Math Question Types That Appear Every Year
These 5 question types show up in PSLE Math every single year. Learn to spot the pattern, pick the right method, and score full marks.
O-Level Math Guides
See all 18 →S1 Angles & Parallel Lines: F, Z, C Patterns Made Simple
Master Secondary 1 angles and parallel lines. Learn the F-pattern (corresponding), Z-pattern (alternate), and C-pattern (co-interior) with worked examples and reasoning tips.
8 Trigonometry Mistakes That Cost O-Level Marks
Avoid the 8 most common trigonometry errors in O-Level Math. See the exact traps with worked examples and quick fixes for each.
Expansion & Factorisation: The Complete O-Level Guide
Master expansion and factorisation for O-Level Math. Learn distributive law, FOIL, special products, and cross method with worked examples.
Direct & Inverse Proportion: The Complete O-Level Guide
Master direct and inverse proportion for O-Level Math. Learn y = kx, y = k/x, graphs, squared relationships, and avoid the 5 traps that cost marks.
Exam Prep & Study Tips
See all 17 →Working Backwards: The PSLE Math Strategy for Tricky Problems
When a PSLE Math problem feels stuck, working backwards from the answer often unlocks it in seconds. Learn the 4-step method with 5 worked examples.
5 PSLE Math Question Types That Appear Every Year
These 5 question types show up in PSLE Math every single year. Learn to spot the pattern, pick the right method, and score full marks.
PSLE Math Paper 2: Complete Strategy Guide for Long-Answer Questions
Master PSLE Math Paper 2 with a 3-phase time plan, working-step formula for method marks, and the 5 power heuristics that solve most problem sums.
Unfamiliar Math Question? Use the 5-Step SOLVE Strategy
Every exam has questions you have never seen before. Learn the SOLVE framework to tackle unfamiliar math questions with confidence at PSLE and O-Level.
For Parents
See all 35 →Working Backwards: The PSLE Math Strategy for Tricky Problems
When a PSLE Math problem feels stuck, working backwards from the answer often unlocks it in seconds. Learn the 4-step method with 5 worked examples.
Does Your Child Really Need Math Tuition? An Honest Guide
A no-nonsense framework for Singapore parents to decide if math tuition is truly needed — with a 5-question checklist, 4 types of support compared, and a 3-month evaluation plan.
5 PSLE Math Question Types That Appear Every Year
These 5 question types show up in PSLE Math every single year. Learn to spot the pattern, pick the right method, and score full marks.
Positive Self-Talk for Math: 10 Scripts to Silence Your Inner Critic
Research shows negative self-talk tanks math performance. Learn 10 proven scripts to replace "I can't do this" with thoughts that actually help you solve problems.
Tools & Calculators
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Assumption Method Calculator: Solve "Chicken & Rabbit" Problems Instantly
Stuck on "Chicken and Rabbit" questions? Use this Assumption Method Calculator to solve them instantly with step-by-step working. Perfect for P3-P6 Math.
Polygon Calculator: Sum of Interior & Exterior Angles (Step-by-Step)
Calculate sum of interior angles, each interior/exterior angle, and number of diagonals for any polygon. Includes step-by-step working and formulas.
Fraction Calculator: Add, Subtract, Multiply, Divide with Working
Free fraction calculator with step-by-step working. Add, subtract, multiply, divide, simplify fractions and convert mixed numbers for PSLE and O-Level.
Ratio Calculator: Simplify, Scale & Solve with Step-by-Step Working
Free interactive ratio calculator for PSLE students. Simplify ratios, find equivalent ratios, solve word problems with total or difference given, and combine ratios with detailed working shown.