Скачать или смотреть Class 8th I.C.S.E /Selina Maths / Ch 4 CUBES / Exercise 4(A)/ Simple Maths By Parul

This YouTube video from "Simple Maths by Parul" provides a comprehensive introduction to *cubes and perfect cubes* as part of Chapter Four from the Serena Publication, Exercise 4A.

The presenter defines a cube as a number multiplied by itself three times (m^3) and illustrates with examples using positive, negative, and decimal numbers.

The video further explains how to *determine if a number is a perfect cube* by finding its prime factors and forming "triplets," where all factors must appear in groups of three.

It also details properties of cubes, such as **even numbers having even cubes and odd numbers having odd cubes**, and demonstrates **calculating cubes for various numbers**, including fractions and negative integers.

Finally, the video addresses *how to find the least number to multiply or divide* a given number by to make it a perfect cube.

   • Squares and square roots   squares and square roots

   • squares and square roots (question 6-13)   squares and square roots ( Q 6 - Q 13)

   • Square numbers and their  properties .  Ex...   square numbers and their properties


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