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

56.8K views
January 30, 2017
by
LearnoHub - Class 11, 12
YouTube video player
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.

Install to Summarize YouTube Videos and Get Transcripts

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.

Share This Summary 📚

Summarize YouTube Videos and Get Video Transcripts with 1-Click

Download browser extensions on:

Explore More Summaries from LearnoHub - Class 11, 12 📚

Summarize YouTube Videos and Get Video Transcripts with 1-Click

Download browser extensions on: