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Cube and Cube roots worksheet for class 8

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CBSE worksheets for class 8 Maths Cube and Cube roots in PDF for free download. Maths worksheets for class 8 CBSE includes worksheets on Cube and Cube roots as per NCERT syllabus. CBSE class 8 worksheets as PDF for free download Cube and Cube roots worksheets. Users can download and print the worksheets on class 8 Mathematics Cube and Cube roots for free.

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Cube and Cube Roots Important Topics

  • Introduction
  • Cubes
  • Some interesting patterns
  • Smallest multiple that is a perfect cube
  • Cube Roots
  • Cube root through prime factorisation method
  • Cube root of a cube number

Some important Facts

  1. Numbers like 1729, 4104, 13832, are known as Hardy – Ramanujan Numbers. They can be expressed as sum of two cubes in two different ways.
  2. Numbers obtained when a number is multiplied by itself three times are known as cube numbers. For example 1, 8, 27, … etc.
  3. If in the prime factorisation of any number each factor appears three times, then the number is a perfect cube.
  4. The symbol root 3 denotes cube root. For example cube root of 27 is 3.

NCERT Class 8 Mathematics Solved Worksheets

  • Chapter 1: Rational Numbers
  • Chapter 2: Linear Equations in One Variable
  • Chapter 3: Understanding Quadrilaterals
  • Chapter 4: Practical Geometry
  • Chapter 5: Data Handling
  • Chapter 6: Squares and Square Roots
  • Chapter 7: Cubes and Cube Roots
  • Chapter 8: Comparing Quantities
  • Chapter 9: Algebraic Expressions and Identities
  • Chapter 10: Visualising Solid Shapes
  • Chapter 11: Mensuration
  • Chapter 12: Exponents and Powers
  • Chapter 13: Direct and Inverse Proportions
  • Chapter 14: Factorisation
  • Chapter 15: Introduction to Graphs
  • Chapter 16: Playing with Numbers

CBSE Worksheets for Class 8 Mathematics in PDF

Cube Roots

If the volume of a cube is 125 cm3, what would be the length of its side? To get the length of the side of the cube, we need to know a number whose cube is 125. Finding the square root, as you know, is the inverse operation of squaring. Similarly, finding the cube root is the inverse operation of finding cube.

State true or false.

  1. Cube of any odd number is even.
  2. A perfect cube does not end with two zeros.
  3. If square of a number ends with 5, then its cube ends with 25.
  4. There is no perfect cube which ends with 8.
  5. The cube of a two digit number may be a three digit number.
  6. The cube of a two digit number may have seven or more digits.
  7. The cube of a single digit number may be a single digit number

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