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Revision Notes

Set Concepts — Revision Notes

ICSE · Class 7 · Mathematics

Set Concepts revision notes for ICSE Class 7 Mathematics: 4 topics in quick points. Part of the ICSE Class 7 Mathematics syllabus.

78 questions34 flashcards9 formulas & key relations5 concepts

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Key Topics to Revise

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1. Basic Idea of a Set

  • A set is a collection of well-defined objects, things, or symbols.
  • Well-defined means it is always clear whether something belongs to the set or not.
  • The objects in a set are called elements or members.
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2. Ways to Represent a Set

  • A set can be written in description form, roster or tabular form, and set-builder form.
  • In description form, the set is described in words.
  • In roster form, all elements are listed inside brackets.
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3. Cardinal Number and Types of Sets

  • The cardinal number of a set is the number of elements in it.
  • If a set A has 5 elements, then n(A) = 5.
  • If B = {0}, then n(B) = 1 because 0 is an element of the set.
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4. Disjoint, Joint, Equal, and Equivalent Sets

  • Sets having no element in common are called disjoint sets.
  • Sets having at least one element in common are called joint or overlapping sets.
  • Two sets are equal if the elements of both sets are the same.

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Full Notes

Key Concepts

A set is a collectionSets are usually written with capitalThe symbol ∈ means belongsThe elements in a set canThe cardinal number of a set

Frequently Asked Questions

What are the important topics in Set Concepts for ICSE Class 7 Mathematics?
Key topics in Set Concepts include Basic Idea of a Set, Ways to Represent a Set, Cardinal Number and Types of Sets, Disjoint, Joint, Equal, and Equivalent Sets. Study these first, then practise questions on each for Class 7 exams.
How should I revise Set Concepts for Class 7 exams?
Learn the core ideas first, then work through the 78 practice questions on Set Concepts. 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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All ICSE Class 7 Mathematics Revision Notes

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