Expressions & Equations

Common Core Board > Class 8 > Math (Total Videos: 132)

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Chapter 2: Expressions & Equations (70 videos)   (Practice Test)
2.1: Indices/exponents  (Practice Test)
  1. Identification of Base, Exponent and Value
  2. Problem-Identification of Base, Exponent and Value
  3. Product Law of Exponents of Rational Numbers
  4. Problem-Product Law of Exponents of Rational Numbers
  5. Quotient Law of Exponents of Rational Numbers
  6. Problem-Quotient Law of Exponents of Rational Numbers
  7. Power Law of Rational Numbers
  8. Problem-Power Law of Rational Numbers
  9. Zero and negative Indices
  10. Problem-Negative Exponent of Rational Numbers
  11. Demonstration of the concept of power of an integer
  12. Applications of Laws of Exponents
  13. Problem-Applying Laws of Exponents to Evaluate Expressions
2.2: Square roots and cube roots  (Practice Test)
  1. Introduction to Square Root of Positive Numbers
  2. Problem-Introduction to Square Root of Positive Numbers
  3. The Square Root of Numbers Which are Perfect Square
  4. Squares and Squares Root
  5. Cubes and Cube Roots
  6. Square Root of Algebraic Expression-Factorization
  7. Problem 1: Square Root of Algebraic Expression-Factorization
  8. Problem 2: Square Root of Algebraic Expression-Factorization
  9. Square Root of Algebraic Expression-Division
  10. Problem 1: Square Root of Algebraic Expression-Division
  11. Problem 2: Square Root of Algebraic Expression-Division
  12. Square Root of Rational Expression
  13. Problem 1: Square Root of Rational Expression
2.3: Scientific Notation  (Practice Test)
  1. Introduction to Scientific Notation
  2. Problem 1: Introduction to Scientific Notation
  3. Movement of Decimal in Scientific Notation
2.4: Conversion of numbers from Scientific notation to Common form  (Practice Test)
  1. Converting Scientific to Common form
  2. Problem 1: Converting Scientific to Common form
  3. Converting common to scientific form
2.5: Operations on numbers in scientific notation  (Practice Test)
  1. Adding & Subtracting Scientific Notation
  2. Problem 1: Adding & Subtracting Scientific Notation
  3. Multiplication of Numbers in Scientific Notation
  4. Problem 1: Multiplication of Numbers in Scientific Notation
  5. Division of Numbers in Scientific Notation
  6. Problem 1: Division of Numbers in Scientific Notation
2.6: Coincident Points and Coincident Lines
  1. Coincident Points & Coincident Lines
2.7: Similar Triangles  (Practice Test)
  1. Proportional Parts of Similar Triangle-4
  2. Problem-Similar Triangles
  3. Similar Triangles
2.8: Transforming General Equation to Slope Intercept Form
  1. Transforming General Equation to Slope Intercept Form
  2. Problem1-Transforming General Equation to Slope Intercept Form
2.9: Solution of Linear Equations  (Practice Test)
  1. Solution of a Linear Equations
  2. Problem-Solution of a Linear Equations
  3. Solving Linear Equation Involving Fractional Coefficients
  4. Problem-Solving Linear Equation Involving Fractional Coefficients
  5. Solving Linear Equation Involving Decimal Coefficients
  6. Solving Fractional Linear Equations
  7. Problem-Solving Fractional Linear Equations
  8. Solving Linear Equation by Collecting Like Terms
  9. Solving Linear Equation by Using Distributive Law
  10. Solving Linear Equation by Clearing the Large Co-efficient
  11. Word Problem-1 of Linear Equation
  12. Word Problem-2 of Linear Equation
2.10: Linear equations in one and two variables  (Practice Test)
  1. Recognizing and formation of Linear Equations in One and Two Variabl
  2. Solution of a Linear Equation in Two Unknowns
  3. Solution of Two Linear Equations Involving Two Variables
  4. Problem-Solution of Two Equations Involving Two Variables
  5. Problems Involving Linear Equations in Two Variables
  6. Finding Solution Using Method of Equating the Coefficients
  7. Elimination by Substitution Method
  8. Finding Solution Using Method of Cross Multiplication
  9. Solving Simultaneous Linear Equations -p1
  10. More on Solving Simultaneous Linear Equations -p1
  11. Solving Simultaneous Linear Equations -p2
  12. More on Solving Simultaneous Linear Equations -p2
  13. Problem-Solving Simultaneous Linear Equations -p1
  14. Graphical Solution of Simultaneous Linear Equations