Educational Blog
Tips, guides, and exam prep for PSLE and O-Level students
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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.
8 Algebra Mistakes That Cost P6 Students PSLE Marks
How to Make a Math Formula Sheet That Actually Works
Unfamiliar Math Question? Use the 5-Step SOLVE Strategy
Math Burnout Is Real: 6 Warning Signs and How to Recover
Direct & Inverse Proportion: The Complete O-Level Guide
PSLE Math Guides
See all 38 →8 Algebra Mistakes That Cost P6 Students PSLE Marks
P6 algebra looks simple — until these 8 sneaky errors eat your marks. See the exact traps and how to fix each one before exam day.
7 Speed, Distance & Time Mistakes That Cost PSLE Marks
Speed problems are among the trickiest in PSLE Math. Here are the 7 most common traps students fall into — with worked examples and fixes for each.
P5 Fractions: Add, Subtract & Multiply (Complete Guide)
Master P5 fraction operations — adding unlike denominators, subtracting with regrouping, multiplying fractions, and cancellation. Step-by-step worked examples for PSLE Math.
8 Percentage Mistakes That Cost PSLE Marks (With Fixes)
Percentage is one of the top mark-losers in PSLE Math. Here are the 8 sneakiest percentage traps P5-P6 students fall into — with worked examples showing the fix for each.
O-Level Math Guides
See all 16 →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.
O-Level Math Calculator Tips: 7 Casio Shortcuts That Save Time
Master your Casio fx-96SG PLUS II with 7 must-know shortcuts for O-Level Math. Store values, check answers instantly, and avoid the mistakes that cost marks.
Quadratic Equations: The Complete O-Level Guide (Factorise, Solve, Graph)
Master quadratic equations for O-Level Math. Learn standard form, factorisation, zero product property, and parabola graphs with worked examples.
Exam Prep & Study Tips
See all 14 →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.
How to Check Your Math Answers: 5 Methods That Catch Mistakes
Stop losing easy marks. Learn 5 proven checking methods that catch careless mistakes before you submit your PSLE or O-Level math paper.
O-Level Math Calculator Tips: 7 Casio Shortcuts That Save Time
Master your Casio fx-96SG PLUS II with 7 must-know shortcuts for O-Level Math. Store values, check answers instantly, and avoid the mistakes that cost marks.
O-Level Math: How to Show Working and Never Lose Marks
Most students lose 10-20 marks not from wrong answers, but from missing working. Learn the M1/A1 marking system and exactly what examiners want to see.
For Parents
See all 28 →Math Burnout Is Real: 6 Warning Signs and How to Recover
83% of students experience academic burnout. Learn the 6 warning signs of math burnout and research-backed recovery strategies for Singapore students.
Mid-Year Math Exams: A Parent's 6-Week Game Plan (Singapore)
A week-by-week game plan for Singapore parents to help their child prepare for mid-year math exams — without nagging, cramming, or tears.
How to Practice Math the Right Way (5 Rules That Work)
Doing 100 problems won't help if you're doing them wrong. Learn the 5 rules of deliberate math practice that turn every problem into real improvement for PSLE and O-Level.
The Math Comparison Trap: Why Comparing Scores Hurts Your Grades
86% of Singapore students worry about grades. Research shows comparing math scores with classmates fuels anxiety and lowers performance. Learn how to break free.
Tools & Calculators
See all 10 →
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.