NCERT Class 2 Mathematics Joyful-Mathematics (Sanskrit): Chapter 5 — रेखाभिः क्रीडनम् (रेखायाः: अभिमुखीकरणानि)
This chapter, "रेखाभिः क्रीडनम् (रेखायाः: अभिमुखीकरणानि)" (Playing with Lines) from NCERT's Joyful Mathematics for Class 2, introduces students to different types of lines through interactive activities. It encourages children to identify and draw vertical (लम्बमानाः), horizontal (क्षैतिज), and slanting (तिर्यक्) lines, as well as curved lines (वक्ररेखाः), in various yoga poses. The chapter emphasizes understanding geometric concepts by observing lines in physical activities and yoga postures. It aims to develop spatial reasoning and an understanding of basic geometry through play and movement, aligning with CBSE's focus on activity-based learning in mathematics.
Quick info
| Board | CBSE / NCERT |
|---|---|
| Class | Class 2 |
| Subject | Mathematics |
| Book | Joyful-Mathematics (Sanskrit) |
| Chapter | Chapter 5 — रेखाभिः क्रीडनम् (रेखायाः: अभिमुखीकरणानि) |
| Language | Sanskrit |
| PDF type | NCERT Textbook |
| Session | CBSE 2026 |
| Reading time | 1 minute |
| Word count | 147 |
Learning outcomes
- Identify and differentiate between vertical, horizontal, slanting, and curved lines.
- Recognize different types of lines in real-world objects and activities.
- Understand the concept of straightness and curvature in lines.
- Engage in activities that reinforce the understanding of geometric shapes and lines.
Vocabulary
| Word | Meaning |
|---|---|
| लम्बमानाः रेखाः | Vertical lines |
| तिर्यक् रेखाः | Slanting/Oblique lines |
| क्षैतिजरेखाः | Horizontal lines |
| वक्ररेखाः | Curved lines |
| ऋजुः | Straight |
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Practice questions
- Which type of line is formed by the edge of a book when placed flat on a table? Answer: Horizontal line (क्षैतिजरेखा)
- What do we call lines that go up and down? Answer: Vertical lines (लम्बमानाः रेखाः)
- Give an example of a curved line you might see in nature. Answer: A rainbow, a river's path, a snake's body.
- When you draw a line from the top-left corner of a square to the bottom-right corner, what type of line is it? Answer: Slanting line (तिर्यक् रेखा)
Frequently asked questions
What is the main theme of the NCERT Class 2 Mathematics chapter 'रेखाभिः क्रीडनम् (रेखायाः: अभिमुखीकरणानि)'?
The chapter focuses on 'Playing with Lines', introducing students to vertical, horizontal, slanting, and curved lines through interactive activities and yoga poses.
What types of lines are introduced in this chapter?
The chapter introduces vertical (लम्बमानाः), horizontal (क्षैतिज), slanting (तिर्यक्), and curved (वक्ररेखाः) lines.
How does the chapter help students understand lines?
It uses yoga poses and drawing activities to help students identify and understand different types of lines in a practical and engaging way.
What is the Sanskrit term for vertical lines?
The Sanskrit term for vertical lines is 'लम्बमानाः रेखाः'.
What is the Sanskrit term for horizontal lines?
The Sanskrit term for horizontal lines is 'क्षैतिजरेखाः'.
What does 'ऋजुः' mean in the context of the chapter?
'ऋजुः' means straight, referring to straight lines.
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Topics covered
NCERT Class 2 Mathematics — Joyful-Mathematics (Sanskrit) — Chapter 5 — रेखाभिः क्रीडनम् (रेखायाः: अभिमुखीकरणानि). Verified by NCERT Help Editorial Team. Reviewed on 29 Jul 2026. Last updated 10 Aug 2026.