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Revision Notes
Does it look the same? — Revision Notes
Gujarat Board · Class 5 · Math - Magic
Does it look the same? revision notes for Gujarat Board Class 5 Math - Magic: 4 topics in quick points. Includes Mirror Symmetry (Line of Symmetry), Half.
42 questions5 concepts
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Key Topics to Revise
1
Mirror Symmetry (Line of Symmetry)
- A line of symmetry divides a shape into two equal halves that are mirror images of each other.
- When you fold a shape along its line of symmetry, one half fits exactly over the other half.
- The two halves created by the line of symmetry are called mirror halves.
2
Half a Turn (Rotational Symmetry of Order 2)
- A half turn means rotating a shape by 180 degrees around its centre point.
- Some shapes look exactly the same after a half turn — they have rotational symmetry of order 2.
- To check: trace the outline of the shape, place the shape on its tracing, and give it a half turn — if it fits, it has half-turn symmetry.
3
Quarter Turn (Rotational Symmetry of Order 4)
- A quarter turn means rotating a shape by 90 degrees (one-fourth of 360 degrees).
- A shape that looks the same after a quarter turn also looks the same after a half turn and a three-quarter turn.
- If a shape looks the same after a quarter turn, it has rotational symmetry of order 4.
4
One-Third Turn and One-Sixth Turn
- A one-third turn means rotating a shape by 120 degrees (one-third of 360 degrees).
- A shape that looks the same after a one-third turn has 3 equal, evenly-spaced identical parts.
- A 3-bladed fan looks the same after a one-third turn.
Get complete notes with diagrams and examples
Full NotesKey Concepts
Mirror symmetry occurs when a lineRotational symmetry means a shape looksA shape has halfA shape has quarterA shape has third
Frequently Asked Questions
What are the important topics in Does it look the same? for Gujarat Board Class 5 Math - Magic?
Key topics in Does it look the same? include Mirror Symmetry (Line of Symmetry), Half a Turn (Rotational Symmetry of Order 2), Quarter Turn (Rotational Symmetry of Order 4), One-Third Turn and One-Sixth Turn. Study these first, then practise questions on each for Class 5 exams.
How should I revise Does it look the same? for Class 5 exams?
Learn the core ideas first, then work through the 42 practice questions on Does it look the same?. Revise definitions regularly and use flashcards for quick recall before the exam.
Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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