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Chapter 11 of 14
Flashcards

Fun with Symmetry

CBSE · Class 4 · Mathematics

Flashcards for Fun with Symmetry — CBSE Class 4 Mathematics. Quick Q&A cards covering key concepts, definitions, and formulas.

42 questions20 flashcards5 concepts
20 Flashcards
Card 1Basic Concepts

What is symmetry?

Answer

Symmetry means that when a shape or design is divided by a line, both halves are exactly the same. The two halves are like mirror images of each other.

Card 2Basic Concepts

What is a line of symmetry?

Answer

A line of symmetry is an imaginary line that divides a shape or design into two equal halves that are mirror images of each other. It is also called the axis of symmetry.

Card 3Testing Symmetry

How do you test if a shape has a line of symmetry?

Answer

You can test by folding the shape along the line. If both halves match exactly when folded, then it is a line of symmetry. You can also use a mirror - place it along the line and see if the reflection

Card 4Mirror Images

Which letters of the English alphabet look the same in a mirror?

Answer

The letters A, H, I, M, O, T, U, V, W, X, Y look the same when you place a vertical mirror. These letters have vertical symmetry.

Card 5Mirror Images

Which numbers from 0 to 9 have the same mirror image?

Answer

The numbers 0, 1, and 8 look the same in a vertical mirror. Number 0 is oval-shaped, 1 is a straight line, and 8 has vertical symmetry.

Card 6Real-life Applications

Why are words written backwards on ambulances?

Answer

Words on ambulances are written backwards so that when drivers look in their rear-view mirror, they can read the word 'AMBULANCE' correctly and know to give way to the emergency vehicle.

Card 7Lines of Symmetry

How many lines of symmetry does a circle have?

Answer

A circle has infinite (unlimited) lines of symmetry. Any line passing through the center of the circle divides it into two equal halves.

Card 8Lines of Symmetry

How many lines of symmetry does a square have?

Answer

A square has 4 lines of symmetry: 2 diagonal lines and 2 lines through the middle (one vertical and one horizontal).

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Frequently Asked Questions

What are the important topics in Fun with Symmetry for CBSE Class 4 Mathematics?

Fun with Symmetry covers several key topics that are frequently asked in CBSE Class 4 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.

Start by understanding all key concepts. Practise previous year questions from this chapter. Revise formulas and definitions regularly. Use flashcards for quick revision before the exam.

There are 20 flashcards for Fun with Symmetry covering key definitions, formulas, and concepts. Use them daily for 10–15 minutes for best results.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.