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Primary · Mathematics

Primary Math — Decimals (P4–P5) (2026/2027)

Primary 4–5 decimals — place value, rounding, and operations. Free P4 decimal questions with worked solutions.

Decimals for Primary 4–5 — place value, rounding, and operations with clear steps.

Free practice questions

30+ exam-style questions with answers and step-by-step solutions.

Primary 4 Mathematics — Decimals30 questions

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Read the complete guide first, then use the sections below for depth.

Primary Mathematics: Decimals Made Easy for PSLE →

Concept explainers

Primary Mathematics: Decimals Explained Simply
Decimals never clicked in class? I'll show you the easy way to see and solve them — no more losing marks over tiny dots.

Worked examples

Primary Mathematics: Decimals Worked Examples Step by Step
Decimals questions make you freeze? Follow these simple steps to solve tricky PSLE problems without panic.

Common mistakes

Primary Mathematics: Common Decimal Mistakes That Cost Marks
Lost marks on decimals because the decimal point 'moved'? These 5 mistakes cost Primary students precious marks — and the fix is easy.

Exam technique

Primary Mathematics: How to Score Marks in Decimals Questions
Running out of time on decimals questions? These 5 common mistakes cost Primary students marks — here's how to fix them.

Practice questions

Primary Mathematics: Decimals Practice Questions and Common Mistakes
Lost marks in decimals even when your steps seem correct? Here's how to avoid 5 common PSLE slips — with easy explanations.

Revision notes

Primary Mathematics: Decimals Revision Summary
Decimals looking confusing? I'll show you two simple tricks to avoid losing marks and boost your confidence before the exam.

Why students struggle

Primary Mathematics: Why Decimals Trip Up Singapore Students
Decimals making you feel lost? These simple tricks clear up confusion and bring back your confidence — in just a few steps.

Frequently asked questions

What decimal skills are needed in Primary 4–5?: Students compare and order decimals, round to given places, and add/subtract/multiply/divide decimals in word problems.

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