Class 5 Maths Chapter 3 PDF: Angles as Turns (Maths Mela)

Class 5 Maths Chapter 3, Angles as Turns, introduces angles dynamically as rotations around a fixed point—using the ‘Statue’ playground game, clock hands, giant wheels, doors, scissors and paper fans to explore full, half, quarter, acute, right, obtuse and straight turns.

What Class 5 Mathematics Chapter 3 Covers

Full, Half & Quarter Turns in Daily Life observes rotations in playground turns, clock minute hands, giant wheels and hinged doors to identify a full turn, half turn (straight angle) and quarter turn (right angle).

Angle Measuring Tool — Acute, Right, Obtuse & Straight Angles constructs a circular paper/straw angle-measuring tool to classify angles as acute (less than a quarter turn), right (quarter turn), obtuse (between a quarter and half turn) and straight (half turn).

Exercises in Chapter 3

• Let Us Do, Let Us Think, and Let Us Solve practice exercises.
• Interactive number games, visual grids, and hands-on puzzles.

Read Class 5 Mathematics Chapter 3 Online

More Chapters

• Previous: Chapter 2: Fractions
• Next: Chapter 4: We the Travellers — II
• Hindi medium: Class 5 Maths Chapter 3 PDF in Hindi (Ganit Mela)
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FAQ

How is a right angle related to a full turn and a half turn?
Two right angles (quarter turns) make a half turn (straight angle), and four right angles make one complete full turn.

What is the difference between an acute angle and an obtuse angle in terms of turns?
An acute angle is less than a quarter turn (less than a right angle), whereas an obtuse angle is greater than a quarter turn but less than a half turn (straight angle).

Updated 2026–27 NCERT Class 5 Books & Chapter-Wise PDFs

Looking for all chapters and the latest 2026–27 NCF NCERT textbooks for Class 5? Open any chapter below to download its official PDF or read our Read Online & Notes study guide, or visit the complete NCERT Class 5 Books PDF (2026–27 Main Page) for all subjects or All NCERT Books PDF (Class 1 to 12).