| 2021 Secondary 4 Additional Mathematics SA2 / Prelim Paper / End of Year Exam Paper · Answer availability not stated | Anglican High | secondaryexampapers.com Questions and answers |
| 2021 Secondary 4 Additional Mathematics Prelims · Answer availability not stated | Bendemeer | www.testpapersfree.com Paper listing |
| 2021 Secondary 4 Additional Mathematics Prelim · Answer availability not stated | Bukit Batok Secondary | secondaryexampapers.com Paper listing |
| 2021 Secondary 4 Additional Mathematics Prelims · Answer availability not stated | Canberra | www.testpapersfree.com Paper listing |
| 2021 Secondary 4 Additional Mathematics SA2 / Prelim Paper / End of Year Exam Paper · Answer availability not stated | Catholic High | secondaryexampapers.com Questions and answers |
| 2021 Secondary 4 Additional Mathematics SA2 / Prelim Paper / End of Year Exam Paper · Answer availability not stated | Cedar Girls' Secondary | secondaryexampapers.com Questions and answers |
| 2021 Secondary 4 Additional Mathematics Prelims · Answer availability not stated | CHIJ Katong | www.testpapersfree.com Paper listing |
| 2021 Secondary 4 Additional Mathematics SA2 / Prelim Paper / End of Year Exam Paper · Answer availability not stated | CHIJ St. Nicholas Girls | secondaryexampapers.com Questions and answers |
| 2021 Secondary 4 Additional Mathematics Prelims · Answer availability not stated | Chung Cheng | www.testpapersfree.com Paper listing |
| 2021 Secondary 4 Additional Mathematics SA2 / Prelim Paper / End of Year Exam Paper · Answer availability not stated | Chung Cheng High | secondaryexampapers.com Questions and answers |
| 2021 Secondary 4 Additional Mathematics Prelim · Answer availability not stated | Junyuan Secondary | secondaryexampapers.com Paper listing |
| 2021 Secondary 4 Additional Mathematics SA2 / Prelim Paper / End of Year Exam Paper · Answer availability not stated | Methodist Girls | secondaryexampapers.com Questions and answers |
| 2021 Secondary 4 Additional Mathematics Prelims · Answer availability not stated | Methodist Girls | www.testpapersfree.com Paper listing |
| 2021 Secondary 4 Additional Mathematics Prelims · Answer availability not stated | Nan Chiau | www.testpapersfree.com Paper listing |
| 2021 Secondary 4 Additional Mathematics SA2 / Prelim Paper / End of Year Exam Paper · Answer availability not stated | Nan Chiau High | secondaryexampapers.com Questions and answers |
| 2021 Secondary 4 Additional Mathematics Prelim · Answer availability not stated | Presbyterian High | secondaryexampapers.com Paper listing |
| 2021 Secondary 4 Additional Mathematics SA2 / Prelim Paper / End of Year Exam Paper · Answer availability not stated | Singapore Chinese Girls | secondaryexampapers.com Questions and answers |
| 2021 Secondary 4 Additional Mathematics Prelims · Answer availability not stated | St Margaret | www.testpapersfree.com Paper listing |
| 2021 Secondary 4 Additional Mathematics Prelims · Answer availability not stated | St Patricks | www.testpapersfree.com Paper listing |
| 2021 Secondary 4 Additional Mathematics SA2 / Prelim Paper / End of Year Exam Paper · Answer availability not stated | St. Margarets Secondary | secondaryexampapers.com Questions and answers |