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Formula Sheet

Linear Equations in one Variable — Formula Sheet

ICSE · Class 8 · Mathematics

13 formulas from Linear Equations in one Variable (ICSE Class 8 Mathematics) on one page, grouped by topic. Part of the ICSE Class 8 Mathematics syllabus.

47 questions24 flashcards13 formulas & key relations5 concepts

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13 Entries · 4 Sections

Formulas and Key Relations

Rules for Solving Equations

Add the same number to both sides

Subtract the same number from both sides

Multiply both sides by the same non-zero number

Divide both sides by the same non-zero number

Standard Forms and Patterns

x, x + 1, x + 2, ...

x, x + 2, x + 4, ...

x, x + 3, x + 6, ...

Important Formulas and Equation Setups

Its perimeter = 2(length + width)

time = distance/speed

(x + 2)^2 - x^2 = 92

x + 26 = 2(x + 2)

150x - 30(40 - x) = 3,300

Cross-multiplication is useful for fraction equations of the form a/b = c/d.

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Frequently Asked Questions

What are the important topics in Linear Equations in one Variable for ICSE Class 8 Mathematics?
Key topics in Linear Equations in one Variable include Basic ideas and definitions, Solving equations by balancing both sides, Fractional and cross-multiplication equations, Word problems based on linear equations. Study these first, then practise questions on each for Class 8 exams.
How many formulas are in Linear Equations in one Variable?
This sheet lists 13 formulas from Linear Equations in one Variable, grouped by topic. Learn what each symbol stands for so you can apply the formula, not just recall it.
How should I revise Linear Equations in one Variable for Class 8 exams?
Learn the core ideas first, then work through the 47 practice questions on Linear Equations in one Variable. 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.

More resources for Linear Equations in one Variable

All ICSE Class 8 Mathematics Formula Sheet

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