Ten-Year Series · PSLE 2020
PSLE Maths 2020 Answers
The answer key for the PSLE Maths 2020 papers (Paper 1, Paper 2): 47 questions, 46 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 · 29 free final answers · 45 marks listed
| Q | Answer | Topic / section | Marks |
|---|---|---|---|
| Q1 | (2) | Whole NumbersMCQ | 1 |
| Q2 | (3) | DecimalsMCQ | 1 |
| Q3 | (3) | GeometryMCQ | 1 |
| Q4 | (3) | MeasurementMCQ | 1 |
| Q5 | (2) | AnglesMCQ | 1 |
| Q6 | (4) | FractionsMCQ | 1 |
| Q7 | (4) | GeometryMCQ | 1 |
| Q8 | (3) | AnglesMCQ | 1 |
| Q9 | (3) | AlgebraMCQ | 1 |
| Q10 | (2) | MeasurementMCQ | 1 |
| Q11 | (1) | MeasurementMCQ | 2 |
| Q12 | (1) | Data AnalysisMCQ | 2 |
| Q13 | (1) | Area and PerimeterMCQ | 2 |
| Q14 | (3) | FractionsMCQ | 2 |
| Q15 | (4) | RatioMCQ | 2 |
| Q16 | 13 800 | Whole NumbersShort answer | 1 |
| Q17 | 12, 24 | Whole NumbersShort answer | 1 |
| Q18 | 1/20 | FractionsShort answer | 1 |
| Q19 | $8.45 | DecimalsShort answer | 1 |
| Q20 | 5/16 | FractionsShort answer | 1 |
| Q21 | (a) 41(b) 9 4/9 | AlgebraShort answer | 2 |
| Q22 | (a) A(b) H | GeometryShort answer | 2 |
| Q23 | 235 degrees | AnglesShort answer | 2 |
| Q24 | (a) 8.2 cm(b) 110 | Measurement · AnglesShort answer | 2 |
| Q25 | (a) 95(b) 8 | Data AnalysisShort answer | 2 |
| Q26 | 20 | PercentageShort answer | 2 |
| Q27 | (a) True(b) False(c) False | Data AnalysisShort answer | 2 |
| Q28 | 89 or 90 | Whole NumbersShort answer | 2 |
| Q29 | 49 cm² | Area and PerimeterShort answer | 2 |
| Q30 | Drawing / explanation in worked solution | Geometry · Area and PerimeterShort answer | 2 |
Paper 2
17 questions · 17 free final answers · 55 marks listed
| Q | Answer | Topic / section | Marks |
|---|---|---|---|
| Q1 | (a) 2385(b) 3852 | Whole NumbersShort answer | 2 |
| Q2 | (a) Ming(b) 14.2 s | Data AnalysisShort answer | 2 |
| Q3 | 14 | AlgebraShort answer | 2 |
| Q4 | $6.28 | DecimalsShort answer | 2 |
| Q5 | 300 cm² | FractionsShort answer | 2 |
| Q6 | (a) 88 degrees(b) 57 degrees | AnglesStructured | 3 |
| Q7 | 64 | RatioStructured | 3 |
| Q8 | (a) 7 : 9 : 3(b) 1083 | Ratio · PercentageStructured | 3 |
| Q9 | (a) 37 degrees(b) 74 degrees(c) 163 degrees | AnglesStructured | 4 |
| Q10 | (a) 350(b) Blue and Yellow(c) 84% | Data Analysis · PercentageStructured | 4 |
| Q11 | (a) 1512(b) 18 min | SpeedStructured | 4 |
| Q12 | (a) 47.1 cm(b) 1156.5 cm² | Area and PerimeterStructured | 4 |
| Q13 | (a) 360(b) 468 | PercentageStructured | 4 |
| Q14 | 135 | Fractions · RatioStructured | 3 |
| Q15 | (a) 30 cm(b) 28 | Measurement · Whole NumbersStructured | 3 |
| Q16 | (a) 16 cm²(b) 19 cm | Area and PerimeterStructured | 5 |
| Q17 | (a) 1/30(b) $420 | FractionsStructured | 5 |
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Paper format and timing: PSLE Maths 2026 exam format (Paper 1 & Paper 2).
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