NCERT Class 2 Mathematics Joyful-Mathematics (Sanskrit): Chapter 2 — अस्माकं परितः आकृतयः (त्रिदिशालिका: आकृतयः)
This chapter, "Shapes Around Us" from NCERT's Joyful Mathematics for Class 2, introduces students to various shapes found in musical instruments. It encourages observation and classification based on shapes like drums (ढक्का), pots (घट), and wind instruments (शहनाई). Students are asked to identify instruments resembling these shapes and mark them accordingly. The chapter also prompts discussions on the differences in shapes, personal experiences with musical instruments, and identifying the odd one out among different shapes. It fosters an understanding of geometric forms in everyday objects and promotes interactive learning through observation and discussion, aligning with CBSE's curriculum for early mathematical understanding.
Quick info
| Board | CBSE / NCERT |
|---|---|
| Class | Class 2 |
| Subject | Mathematics |
| Book | Joyful-Mathematics (Sanskrit) |
| Chapter | Chapter 2 — अस्माकं परितः आकृतयः (त्रिदिशालिका: आकृतयः) |
| Language | Sanskrit |
| PDF type | NCERT Textbook |
| Session | CBSE 2026 |
| Reading time | 1 minute |
| Word count | 129 |
Learning outcomes
- Identify and classify shapes based on musical instruments.
- Differentiate between various shapes like drums and pots.
- Discuss similarities and differences in the shapes of musical instruments.
- Share personal experiences with musical instruments.
- Identify the odd one out based on shape.
Vocabulary
| Word | Meaning |
|---|---|
| आकृतयः | Shapes |
| सङ्गीतवाद्यानि | Musical instruments |
| ढक्का-सदृशानि | Drum-like |
| वर्तुलम् | Circle |
| घट-सदृशानि | Pot-like |
| शहनाई-सदृशानि | Shehnai-like (wind instrument) |
| हारमोनियम् | Harmonium |
| वायुध्मानेन | By blowing air |
| ताडनेन | By beating |
| तन्त्रीप्रयोगेण | By using strings |
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Practice questions
- ढक्का-सदृशानि सङ्गीतवाद्यानि परिशीलयन्तु। Answer: Observe the drum-like musical instruments.
- घट-सदृशानि सङ्गीतवाद्यानि चिह्नितानि कुर्वन्तु। Answer: Mark the pot-like musical instruments.
- हारमोनियम्-वाद्यस्य आकारः ढक्कावाद्यस्य आकारत: केन प्रकारेण भिन्न: अस्ति ? Answer: Discuss how the shape of the harmonium is different from the shape of the drum.
- सर्वेभ्यः विषमम् चिह्नितं कुर्वन्तु। Answer: Mark the odd one out from all.
Frequently asked questions
What is the main topic of Chapter 2 in Joyful Mathematics for Class 2?
Chapter 2, "Shapes Around Us" (अस्माकं परितः आकृतयः (त्रिदिशालिका: आकृतयः)), focuses on identifying and comparing shapes found in musical instruments.
What kind of shapes are discussed in the chapter?
The chapter discusses shapes resembling drums (ढक्का), pots (घट), and wind instruments like the shehnai (शहनाई).
What activity is suggested for instruments like the harmonium?
Students are asked to discuss how the shape of the harmonium differs from that of a drum.
What does the chapter encourage students to do regarding musical instruments?
It encourages students to observe, classify, compare shapes, and share their personal experiences with musical instruments.
What is the purpose of the 'odd one out' activity?
The 'odd one out' activity helps students develop critical thinking by identifying the item that does not fit a given category based on shape.
Related resources
Important topics
Topics covered
NCERT Class 2 Mathematics — Joyful-Mathematics (Sanskrit) — Chapter 2 — अस्माकं परितः आकृतयः (त्रिदिशालिका: आकृतयः). Verified by NCERT Help Editorial Team. Reviewed on 29 Jul 2026. Last updated 10 Aug 2026.