CBSE 8 Mathematics | 5. Squares and Square Roots by Pavan | Learn Smarter
Students

Academic Programs

AI-powered learning for grades 8-12, aligned with major curricula

Professional

Professional Courses

Industry-relevant training in Business, Technology, and Design

Games

Interactive Games

Fun games to boost memory, math, typing, and English skills

5. Squares and Square Roots

5. Squares and Square Roots

The chapter explores the properties and implications of square numbers, demonstrating their significance through examples and exercises. It elaborates on identifying perfect squares, understanding patterns in square numbers, and applying various mathematical concepts such as Pythagorean triplets and square roots. Furthermore, it introduces techniques for estimating and calculating square roots using different methods.

13 sections

Enroll to start learning

You've not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.

Sections

Navigate through the learning materials and practice exercises.

  1. 5
    Squares And Square Roots

    This section introduces the concepts of square numbers and their properties,...

  2. 5.1
    Introduction

    This section introduces the concept of square numbers, including their...

  3. 5.2
    Properties Of Square Numbers

    This section discusses the properties of square numbers, including their...

  4. 5.3
    Some More Interesting Patterns

    This section introduces interesting patterns in square numbers, including...

  5. 5.4
    Finding The Square Of A Number

    This section discusses methods to calculate the square of a number...

  6. 5.4.1
    Other Patterns In Squares

    This section discusses various patterns found in square numbers and...

  7. 5.4.2
    Pythagorean Triplets

    Pythagorean triplets are sets of three positive integers a, b, and c such...

  8. 5.5
    Square Roots

    This section introduces square roots, explaining their concepts,...

  9. 5.5.1
    Finding Square Roots

    Finding square roots involves determining the number whose square equals a...

  10. 5.5.2
    Finding Square Root Through Repeated Subtraction

    The section explains how to find square roots using the method of repeated...

  11. 5.5.3
    Finding Square Root Through Prime Factorisation

    This section discusses how to find the square root of a number using prime...

  12. 5.5.4
    Finding Square Root By Division Method

    The division method for finding square roots allows for accurate...

  13. 5.6
    Square Roots Of Decimals

    This section covers the calculation of square roots of decimal numbers using...

What we have learnt

  • Square numbers are formed by multiplying a natural number by itself.
  • Square numbers have unique properties related to their unit digits.
  • The process of finding square roots can be approached through different methods such as prime factorization and repeated subtraction.

Key Concepts

-- Square Number
A natural number that can be expressed as the product of a natural number with itself.
-- Perfect Square
A number that is the square of an integer.
-- Pythagorean Triplet
A set of three positive integers a, b, and c, such that \(a^2 + b^2 = c^2\).
-- Square Root
A number that produces a specified quantity when multiplied by itself.

Additional Learning Materials

Supplementary resources to enhance your learning experience.