Chapter 3 · Class 8 ICSE · Formula Sheet

Squares & Square Roots Formulas — Class 8 ICSE

Find squares and square roots of numbers using prime factorization and long division methods.

Key Formulas

Perfect Square

n^2 \text{ where } n \in \mathbb{N}

Sum of First n Odds

1 + 3 + 5 + \cdots + (2n-1) = n^2

Square Root

\sqrt{n^2} = n

Pythagorean Triplet

2m, m^2 - 1, m^2 + 1

Worked Examples

1Using: Application

Apply the key formula from this topic to a sample problem.

Step 1: Identify the formula.

Step 2: Substitute the values.

Step 3: Simplify to get the answer.

Answer: See solution above

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More Class 8 ICSE Formulas

Rational NumbersExponents & PowersCubes & Cube RootsAlgebraic ExpressionsFactorizationLinear Equations in One Variable

Frequently Asked Questions

How many formulas are in Class 8 ICSE Squares & Square Roots?+
There are 4 formulas in the Squares & Square Roots chapter for Class 8 ICSE. Each formula is essential for solving problems in this topic.
How to remember Squares & Square Roots formulas easily?+
Practice regularly with worked examples, group related formulas together, and use SparkEd's interactive practice mode to reinforce your memory through problem-solving.
Are these Squares & Square Roots formulas enough for exams?+
Yes, these formulas cover the complete ICSE Class 8 syllabus for Squares & Square Roots. Practice applying them to different types of questions for full exam readiness.

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