Integers ( Directed Numbers) 

Lecture 1 Introduction 

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Lecture 2 Multiplying any digit number by 11, 22, and 33 

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Lecture 3 Integers and ordering of integers 

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Lecture 4 Addition and Subtractions of Integers 

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Lecture 5 Operations on Integers 

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Lecture 6 Multiplication and Division of Integers 

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Lecture 7 Powers of Integers (Exponents) 

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Factors and Multiples 

Lecture 8 Complete knowledge about factors and multiples 

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Lecture 9 Divisibility tests for 2,3,4,5,6 

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Lecture 10 Divisibility rules 7,8,9,10,11 

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Lecture 11 Prime Factorization 

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Lecture 12 Highest Common Factor HCF 

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Lecture 13 Least Common Multiple LCM 

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Lecture 14 Relation between LCM and HCF 

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Fractions 

Lecture 15 Classification of Fractions 

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Lecture 16 Convert mixed to improper and improper to mixed fractions 

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Lecture 17 Equivalent Fractions 

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Lecture 18 Comparing Fractions after converting to like fractions 

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Lecture 19 Reducing a fraction to lowest term 

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Lecture 20 Addition and subtraction OF fractions 

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Lecture 21 Multiplication and division of fractions 

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Lecture 22 Word problems on fractions 

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Simplification Rule : BODMAS 

Lecture 23 BODMAS and rules to remove brackets 

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Lecture 24 Simplify expressions using BODMAS rules 

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Lecture 25 Simplify expressions involving fractions using BODMAS 

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Decimal numbers 

Lecture 26 Decimal numbers in relation to fractions 

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Lecture 27 Like and unlike Decimals 

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Lecture 28 Ordering of Decimal numbers 

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Lecture 29 Addition and subtraction of Decimal 

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Lecture 30 Multiplication of Decimal 

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Lecture 31 Division of Decimal 

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Rational Numbers 

Lecture 32 Rational number 

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Lecture 33 Representation of Rational Numbers on Number line 

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Lecture 34 Determining which fraction is terminating or non terminating 

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Lecture 35 shortcut method of writing decimal expansion of fraction to decimal 

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Approximation 

Lecture 36 Rounding to whole number 

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Lecture 37 Rounding to required number of decimals (1 d.p. ) 

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Lecture 38 rounding to significant digits 

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Lecture 39 Practice question on three methods of approximation 

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Estimation and Scientific Notation or Standard form 

Lecture 40 Estimation 

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Lecture 41 Scientific Notation 

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Lecture 42 Operation on numbers when they are in scientific notation 

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Percentage 

Lecture 43 Percentage to fraction and fraction to percentage 

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Lecture 44 Percentage of a quantity and conversation to decimal 

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Lecture 45 Expressing one quantity as percentage of another quantity 

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Lecture 46 Finding increase decrease percent 

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Lecture 47 Uses of percentagesWord Problems 

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Ratio and Proportion 

Lecture 48 Ratio How to express as simple ratio 

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Lecture 49 How to compare Ratios 

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Lecture 50 Word problems on finding ratios 

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Lecture 51 To divide a given quantity into a given Ratio 

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Lecture 52 Proportion 

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Lecture 53 Practice problems on Proportion 

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Lecture 54 Continued proportion 

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Unitary Method and its Applications 

Lecture 55 Direct Variation ( or proportion) 

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Lecture 56 Problems based on Direct proportion 

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Lecture 57 Inverse Variation ( or proportion) 

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Lecture 58 Multiple Ratios 

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Profit , Loss, discount and Tax 

Lecture 59 Basics – Profit and Loss 

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Lecture 60 More practice problems on Profit & Loss 

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Lecture 61 Selling price formula and Problems 

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Lecture 62 Cost price formula and Problems 

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Lecture 63 Higher problems on Profit and Loss 

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Lecture 64 Basics – Discount.mp4 

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Lecture 65 Practice problems on Discount 

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Lecture 66 Tax 

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