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Formula Sheet

Cubes and Cube Roots

ICSE · Class 8 · Mathematics

All formulas from Cubes and Cube Roots in ICSE Class 8 Mathematics. Key equations, constants, and identities for board exam preparation.

40 questions25 flashcards5 concepts

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7 Formulas · 2 Sections

Formulas

1. Cube of a Number

m × m × m = m^3

Cube of a positive number is positive; cube of a negative number is negative

3. Cube-Root

√[3]{x} = y ⇒ y^3 = x

√[3]{-m^3} = -√[3]{m^3} = -m

√[3]{xy} = √[3]{x} × √[3]{y}

√[3]{xyz} = √[3]{x} × √[3]{y} × √[3]{z}

√[3]{x/y} = √[3]{x} / √[3]{y}

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Frequently Asked Questions

What are the important topics in Cubes and Cube Roots for ICSE Class 8 Mathematics?
Key topics in Cubes and Cube Roots include Flowchart showing how cubing a negative number results in a negative answer through step-by-step multiplication, Distribution showing that most numbers are not perfect cubes, Decision flowchart for identifying perfect cubes using prime factorization. These are the concepts ICSE Class 8 examiners draw on most — study them first, then practise related questions.
How to score full marks in Cubes and Cube Roots — ICSE Class 8 Mathematics?
Understand the core concepts first, then work through the 40 practice questions available for this chapter. Revise formulas and 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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