Maths Cube and Cube Roots part 1 (Introduction) CBSE Class 8 Mathematics VIII | Summary and Q&A

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January 30, 2017
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Maths Cube and Cube Roots part 1 (Introduction) CBSE Class 8 Mathematics VIII

TL;DR

This video introduces cubes and cube roots, explaining the properties of perfect cubes and the methods to find cube roots.

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Key Insights

  • 🦔 A cube is a three-dimensional shape with all edges equal in length.
  • 🧊 Cube numbers, or perfect cubes, are obtained by multiplying a number by itself three times.
  • 🧊 The volume of a cube is calculated using the formula side^3.

Transcript

Hello friends this video on cubes and cube roots part one is brought to you by exam fear.com no more fear from exam topics to be covered in this lesson are introduction cubes perfect cubes or cube numbers properties of perfect cubes cube roots finding cube roots by prime factorization method finding cube roots by estimation method what is a cube so... Read More

Questions & Answers

Q: What is a cube and what are its properties?

A cube is a three-dimensional shape with all edges equal. Each face of a cube is a square. All edges of a cube are equal in length.

Q: How do you find the volume of a cube?

The volume of a cube is calculated by multiplying the length of one side by itself three times (side^3).

Q: What are cube numbers?

Cube numbers, or perfect cubes, are obtained by multiplying a number by itself three times. They are special numbers capable of forming a cube when arranged together.

Q: Are all numbers between 1 and 8 perfect cubes?

No, not all numbers between 1 and 8 are perfect cubes. Only the numbers 1 and 8 are perfect cubes in this range.

Summary & Key Takeaways

  • A cube is a three-dimensional shape with all edges equal, such as a dice or a Rubik's cube.

  • Each face of a cube is a square, and several squares together form a cube.

  • Cube numbers, or perfect cubes, are obtained by multiplying a number by itself three times.

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