Class 10 Maths SA1 Key Paper 2026 – DCEB Nagarkurnool Scoring Key & Solutions PDF
The District Common Examination Board (DCEB), Nagarkurnool conducted the Summative Assessment – I (SA-1) for Class 10 (SSC) Mathematics (English Medium, Paper Code: NK-48) for the academic year 2026–2027. To assist teachers with uniform spot valuation and enable students to evaluate their answers step-by-step, we have provided the official Principles of Evaluation and Step-by-Step Scoring Key.
| Examination Overview | |
|---|---|
| Academic Year: | 2026–27 |
| Class / Standard: | Class X (SSC) |
| Subject: | Mathematics (English Medium) |
| Paper Code: | NK-48 |
| Exam: | Summative Assessment – I (SA-1) |
| Authority: | DCEB Nagarkurnool (Telangana SCERT Syllabus) |
| Max. Marks & Time: | 80 Marks (Part-A: 60M, Part-B: 20M) | 3:00 Hours |
Key Highlights of Principles of Valuation:
- Valuation Flexibility: Full credit awarded for any alternative mathematically valid method, formula, or logical reasoning leading to the correct result.
- Step-by-Step Marking: Detailed mark allocation for Section-I (12 Marks), Section-II (24 Marks), and Section-III (24 Marks).
- Best-of-4 Evaluation Rule: Candidates answer any 4 out of 6 questions in Section III; if more are attempted, all are evaluated and the highest 4 scores are awarded.
- Objective Part-B Covered: Complete 20-mark multiple choice key with brief working and justification for each question.
Preview Key Paper PDF:
📢 Share with Teachers & Students: Help colleagues and secondary students prepare effectively by sharing this scoring key across your school complexes and teacher WhatsApp groups.
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