Ten-Year Series · PSLE 2018
PSLE Maths 2018 Answers
The answer key for the PSLE Maths 2018 papers (Paper 1, Paper 2): 47 questions, 42 with a free final answer, plus the topic and marks for each. Find the question number in your TYS book and tick it off.
We publish answers only. The questions and diagrams stay in your printed Ten-Year Series (TYS) book, so keep it open beside this page (“see the diagram in your book”).
MCQ answers are option numbers, e.g. (3).
Paper 1
30 questions · 28 free final answers · 45 marks listed
| Q | Answer | Topic / section | Marks |
|---|---|---|---|
| Q1 | (2) | MeasurementMCQ | 1 |
| Q2 | (1) | GeometryMCQ | 1 |
| Q3 | (2) | MeasurementMCQ | 1 |
| Q4 | (4) | Data AnalysisMCQ | 1 |
| Q5 | (3) | Data AnalysisMCQ | 1 |
| Q6 | (2) | GeometryMCQ | 1 |
| Q7 | (4) | Fractions · Data AnalysisMCQ | 1 |
| Q8 | (3) | DecimalsMCQ | 1 |
| Q9 | (4) | VolumeMCQ | 1 |
| Q10 | (4) | Data AnalysisMCQ | 1 |
| Q11 | (3) | AlgebraMCQ | 2 |
| Q12 | (2) | NetsMCQ | 2 |
| Q13 | (2) | Area and PerimeterMCQ | 2 |
| Q14 | (3) | Fractions · Area and PerimeterMCQ | 2 |
| Q15 | (4) | SpeedMCQ | 2 |
| Q16 | Drawing / explanation in worked solution | DecimalsShort answer | 1 |
| Q17 | 67 | AnglesShort answer | 1 |
| Q18 | 27 | AlgebraShort answer | 1 |
| Q19 | 300 ml | MeasurementShort answer | 1 |
| Q20 | 24 | AnglesShort answer | 1 |
| Q21 | Smallest: 1 ℓ 22 ml; Largest: 1 1/4 ℓ | MeasurementShort answer | 2 |
| Q22 | 58.1 | DecimalsShort answer | 2 |
| Q23 | (a) South-west(b) F | GeometryShort answer | 2 |
| Q24 | 9.96 m | MeasurementShort answer | 2 |
| Q25 | Drawing / explanation in worked solution | Whole NumbersShort answer | 2 |
| Q26 | 48 | RatioShort answer | 2 |
| Q27 | 1.06 kg | FractionsShort answer | 2 |
| Q28 | 48 | VolumeShort answer | 2 |
| Q29 | 5/6 | FractionsShort answer | 2 |
| Q30 | 1232 cm² | Area and PerimeterShort answer | 2 |
Paper 2
17 questions · 14 free final answers · 55 marks listed
| Q | Answer | Topic / section | Marks |
|---|---|---|---|
| Q1 | 18 | RatioShort answer | 2 |
| Q2 | 70 km/h | SpeedShort answer | 2 |
| Q3 | Drawing / explanation in worked solution | AlgebraShort answer | 2 |
| Q4 | 9.4 m² | Area and PerimeterShort answer | 2 |
| Q5 | $18 | Whole NumbersShort answer | 2 |
| Q6 | (a) 1/2(b) Pear, $9.60 | Data Analysis · FractionsStructured | 3 |
| Q7 | (a) 13/16(b) 351 cm² | Area and Perimeter · FractionsStructured | 3 |
| Q8 | 104 | Angles · GeometryStructured | 3 |
| Q9 | 27 | Whole NumbersStructured | 3 |
| Q10 | Drawing / explanation in worked solution | GeometryStructured | 3 |
| Q11 | (a) $3(b) 4 km(c) $4.50 | Data AnalysisStructured | 4 |
| Q12 | (a) 126(b) is not; is not | Angles · GeometryStructured | 4 |
| Q13 | Drawing / explanation in worked solution | Data AnalysisStructured | 4 |
| Q14 | (a) 2/5(b) 160 | Ratio · PercentageStructured | 4 |
| Q15 | (a) 26 cm(b) 702 cm³ | VolumeStructured | 4 |
| Q16 | (a) $161(b) 2% | PercentageStructured | 5 |
| Q17 | (a) $10.70(b) $27.40 | Whole NumbersStructured | 5 |
PSLE Premium
Got it wrong? See exactly why.
Step-by-step worked solutions for every Maths question, written the way PSLE markers award method marks, plus model answers for open-ended questions. We are adding them newest years first (2025 back to 2021), checked against the answer key on this page.
Paper format and timing: PSLE Maths 2026 exam format (Paper 1 & Paper 2).
Written by
SGSchoolKaki Education Team
Our team of ex-MOE teachers, private tutors and education data analysts brings 16+ years of combined experience.