General Math | Class 9

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Chapter 2: Real Numbers and Co-ordinate System (63 videos)   (Practice Test)
2.1: Real Number System
  1. Introduction to Real Numbers
  2. Problem-Introduction to Real Numbers
2.2: Irrational Numbers
  1. Introduction to Irrational Numbers
  2. Problem 1: Introduction to Irrational Numbers
2.3: Real Numbers  (Practice Test)
  1. Introduction to Real Numbers
  2. Problem-Introduction to Real Numbers
  3. Depiction of Real Number on Number Line
2.4: Properties of the Real Numbers  (Practice Test)
  1. Closure law of Whole Numbers Addition and Multiplication
  2. Closure law of Whole Numbers Subtraction and Division
  3. Closure law of Integers Addition, Multiplication & Subtraction
  4. Closure law of Integers Division
  5. Problem 1: Closure law of Integers Addition, Multiplication & Subtrac
  6. Closure Law of Rational Numbers
  7. Closure law of Rational Numbers Subtraction and Division
  8. Problem-Closure Law of Rational Numbers
  9. Problem 1: Closure Law of Rational Numbers
  10. Closure law of Irrational Numbers Addition and Subtraction
  11. Closure law of Irrational Numbers Multiplication and Division
  12. Commutative Law
  13. Commutative law under Subtration and Division
  14. Problem-Commutative Law
  15. Associative Law
  16. Associative law of Subtraction and Division
  17. Problem-Associative Law
  18. Problem 1: Associative Law
  19. Additive Identity & Additive Inverse
  20. Problem-Additive Identity & Additive Inverse
  21. Problem 1: Additive Identity & Additive Inverse
  22. Multiplicative Identity & Inverse
  23. Problem-Multiplicative Identity & Inverse
  24. Problem 1: Multiplicative Identity & Inverse
  25. Distributive Law
  26. Distributive Property of Multiplication over Subtraction
  27. Problem-Distributive Law
  28. Problem 1: Distributive Law
  29. Problem 1: Distributive law of Multiplication over Subtraction
  30. Trichotomy Property of Inequality
  31. Problem-Trichotomy Property of Inequality
  32. Problem 1: Trichotomy Property of Inequality
2.5: Properties of Equality of Real Numbers  (Practice Test)
  1. Reflexive And Symmetric Property of Equality
  2. Problem-Reflexive And Symmetric Property of Equality
  3. Transitive Property of Equality
  4. Problem-Transitive Property of Equality
  5. Problem 1: Transitive Property of Equality
  6. Additive Property of Equality
  7. Problem-Additive Property of Equality
  8. Multiplicative Property of Equality
  9. Problem-Multiplicative Property of Equality
  10. Cancellation Property of Equality
  11. Problem-Cancellation Property of Equality
  12. Problem 1: Cancellation Property of Equality
2.6: Properties of Inequality of Real Numbers  (Practice Test)
  1. Transitive Property of Inequality
  2. Problem 1: Transitive Property of Inequality
  3. Additive Property of Inequality
  4. Problem-Additive Property of Inequality
  5. Multiplicative Property of Inequality
  6. Problem 1: Multiplicative Property of Inequality
2.7: Ordered Pairs
  1. Introduction to Ordered Pairs
  2. Problem on Introduction to Ordered Pairs
2.8: The Cartesian Product
  1. Cartesian Product of Sets
  2. Problem 1: Cartesian Product of Sets
2.9: Cartesian Co-ordinate System for Plane
  1. Cartesian Coordinate System & Cartesian Plane
  2. Problem 1: Cartesian Coordinate System & Cartesian Plane
 
Chapter 3: Laws of Exponents and Logarithms (55 videos)   (Practice Test)
3.1: Laws of Exponents  (Practice Test)
  1. Exponent or Index Definition
  2. Problem 1: Exponent or Index Definition
  3. Law of Sum of Power of Exponents
  4. Problem 1: Law of Sum of Power of Exponents
  5. Law of Power of Product of Exponent
  6. Problem 1: Law of Power of Product of Exponent
  7. Law of Power of Power of Exponent
  8. Problem 1: Law of Power of Power of Exponent
  9. Law of Quotient of Power with Same Base
  10. Problem 1: Law of Quotient of Power with Same Base
  11. Law of Power of a Fraction
  12. Problem 1: Law of Power of a Fraction
3.2: Square Root  (Practice Test)
  1. Square Root
  2. Problem 1: Square Root
  3. Properties of Square Root
  4. Problem 1: Properties of Square Root
  5. More on Properties of Square Root
  6. Problem-More on Properties of Square Root
3.3: qth Root of a  (Practice Test)
  1. qth Root of x
  2. Problem 1: qth Root of x
  3. Properties of qth Root of x
  4. Problem 1: Properties of qth Root of x
3.4: Scientific Notation  (Practice Test)
  1. Introduction to Scientific Notation
  2. Problem 1: Introduction to Scientific Notation
  3. Converting Scientific to Common form
  4. Problem 1: Converting Scientific to Common form
3.5: Logarithm  (Practice Test)
  1. Logarithm Definition
  2. Problem 1: Logarithm Definition
  3. Converting Log to Exponential Form
  4. Problem 1: Converting Log to Exponential Form
  5. Converting Exponential to Log Form
  6. Problem 1: Converting Exponential to Log Form
  7. Product Law of Logarithm
  8. Problem 1: Product Law of Logarithm
  9. Power Law of Logarithm
  10. Problem 1: Power Law of Logarithm
  11. Quotient Law of Logarithm
  12. Problem 1: Quotient Law of Logarithm
  13. Law of Change of Base of Logarithm
  14. Problem 1: Law of Change of Base of Logarithm
3.6: Common Logarithms  (Practice Test)
  1. Common Logarithm
  2. Problem 1: Common Logarithm
  3. Characteristic & Mantissa of Logarithm
  4. Problem 1: Characteristic & Mantissa of Logarithm
3.7: Anti-Logarithm
  1. Introduction to Anti-Logarithms
  2. Problem 1: Introduction to Anti-Logarithms
3.8: Arithmetical Computations with the help of Logarithm
  1. Applications of Logarithm Laws in Calculations
  2. Problem 2: Applications of Logarithm Laws in Calculations
  3. Problem-Applications of Logarithm Laws in Calculations 1
  4. Problem-Applications of Logarithm Laws in Calculations 2
  5. Problem-Applications of Logarithm Laws in Calculations 3
  6. Problem 1: Applications of Logarithm Laws in Calculations
  7. Problem-Applications of Logarithm Laws in Calculations 5
  8. Problem 3: Applications of Logarithm Laws in Calculations
  9. Problem 4: Applications of Logarithm Laws in Calculations
 
Chapter 4: Statistics (50 videos)   (Practice Test)
4.1: Introduction
  1. Concept of Information Handling
  2. Problem 1: Concept of Information Handling
4.2: Collection of data
  1. Data, Collection of Data, Presentation of Data
  2. Problem 1: Data, Collection of Data, Presentation of Data
4.3: Ungrouped Data
  1. Ungrouped & Grouped Data
  2. Problem 1: Ungrouped & Grouped Data
4.4: Grouped Data
  1. Ungrouped & Grouped Data
  2. Problem 1: Ungrouped & Grouped Data
4.5: Classification of Data
  1. Classification & No. of Classes
  2. Problem 1: Classification & No. of Classes
  3. Specification of Classes
  4. Problem 1: Specification of Classes
4.6: Tabulation of Data  (Practice Test)
  1. One way Tabulation
  2. Problem 1: One way Tabulation
  3. Two way Tabulation
  4. Problem 1: Two way Tabulation
4.7: Class Interval
  1. Class interval & Class Limits
  2. Problem 1: Class interval & Class Limits
4.8: Class Frequency
  1. Class Frequency
  2. Problem 1: Class Frequency
4.9: Lower Limit and Upper Limit
  1. Class interval & Class Limits
  2. Problem 1: Class interval & Class Limits
4.10: Magnitude of Class Interval
  1. Class Mark & Class Boundaries.
  2. Problem 1: Class Mark & Class Boundaries.
4.11: Frequency Distribution  (Practice Test)
  1. Construction of Continuous Frequency Table
  2. Problem 1: Construction of Continuous Frequency Table
4.12: To Prepare Frequency Distribution Table from Ungrouped Data  (Practice Test)
  1. Formation of Frequency Distribution byTally Bar Method
  2. Problem 1: Formation of Frequency Distribution by Tally Bar Method
  3. Formation of Frequency Distribution by Direct Method
  4. Problem 1: Formation of Frequency Distribution by Direct Method
4.13: Measures of Central Tendency  (Practice Test)
  1. Measure of Location
  2. Problem 1: Measure of Location
  3. Importance of Measure of Central Tendency
  4. Problem 1: Importance of Measure of Central Tendency
  5. Types of Measures of Central Tendency
  6. Problem 2: Types of Measures of Central Tendency
  7. problem 3: Types of Measures of Central Tendency
  8. Problem 1: Types of Measures of Central Tendency
4.14: Arithmetic Mean  (Practice Test)
  1. Arithmetic Mean (A.M) for Ungrouped Data
  2. Problem 1: A.M of Ungrouped Data by Direct Method
  3. Arithmetic Mean (A.M) for Grouped Data by Direct Method
  4. Problem 1: A.M for Grouped Data by Direct Method
  5. Short formula for Computing Arithmetic Mean for Ungrouped Data
  6. Problem 1: A.M for Ungrouped Data by Short formula Method
  7. Short formula for Computing Arithmetic Mean for Grouped Data
  8. Problem 1: A.M for Grouped Data by Short formula Method
4.15: Median
  1. Median for Ungrouped Data
  2. Problem 1: Median for Ungrouped Data
4.16: Mode
  1. Mode for Ungrouped Discrete Data
  2. Problem 1: Mode for Ungrouped Discrete Data
 
Chapter 5: Ratio, Proportion, Inheritance and Partnership (31 videos)   (Practice Test)
5.1: Ratio
  1. Concept of Ratio
  2. Problem 1: Concept of Ratio
5.2: Proportion
  1. Introduction to Proportion
5.3: Porportion Between Two Sets  (Practice Test)
  1. Direct Proportions
  2. More on Direct Proportion
5.4: Inverse Proportion  (Practice Test)
  1. Inverse Proportion
  2. More on Inverse Proportion
5.5: Compound Proportion  (Practice Test)
  1. Introducing Compound Proportion
  2. Problem-Concept of Compound Proportion
  3. Solving Word Problem of Compound Proportion-Problem1
  4. Solving Word Problem of Compound Proportion-Problem2
5.6: Continued Ratios
  1. Concept of Continued Ratio
  2. Problem-Introducing Continued Ratios
5.7: Proportional Division
  1. Introducing Proportional Division
  2. Problem-Introducing Proportional Division
5.8: Miscellaneous Problems
  1. Miscellaneous Proportional Problems
  2. Problem-Miscellaneous Proportional Problems
5.9: Inheritance  (Practice Test)
  1. Introducing Inheritance
  2. More on Introducing Inheritance
  3. Calculating Amount of Share of Legal Inheritor of Property
  4. Problem1-Introducing Inheritance
  5. Problem2-Introducing Inheritance
5.10: Partnership  (Practice Test)
  1. Introducing Business Partnership
  2. Problem Related to Partnership-p1
  3. Problem Related to Partnership-p2
  4. More on Problem Related to Partnership-p2
  5. Problem Related to Partnership-p3
5.11: Compound Partnership
  1. Calculating Profit Among the Partners
  2. Problem1-Calculating Profit Among the Partners
  3. Problem2-Calculating Profit Among the Partners
  4. Problem3-Calculating Profit Among the Partners