Mental Math - Best Techniques To Speed Up Your Mathematics | |||

Introduction | |||

Lecture 1 Intro video | 00:02:00 | ||

Section 2 | |||

Lecture 2 Multiplying any digit number by 11, 22, and 33 | 00:09:00 | ||

Section 3 | |||

Lecture 3 Finding remainder when a number of any digits is divided by 9 | 00:04:00 | ||

Section 4 | |||

Lecture 4 Multiplying any digit number by series of 9; 99; 999; 99999 Part 1 | 00:08:00 | ||

Lecture 5 Multiplying any digit number by series of 9; 99 ; 999 ; 99999 Part 2 | 00:07:00 | ||

Section 5 | |||

Lecture 6 Product of two numbers below the base number 100; 1000 etc | 00:07:00 | ||

Lecture 7 Multiplication of Numbers above the base 1000; 10000; 100000 etc | 00:08:00 | ||

Lecture 8 Multiplication of numbers one above the base and second less than the base | 00:06:00 | ||

Section 6 | |||

Lecture 9 multiplying any two digit numbers using Vertically and Crosswise | 00:04:00 | ||

Lecture 10 Multiplying three digit numbers using Vertically and Crosswise | 00:05:00 | ||

Section 7 | |||

Lecture 11 Multiplying any digit number by 5, 25, and 125 faster than calculator | 00:07:00 | ||

Section 8 | |||

Lecture 12 Squaring numbers that end in 5 using Vedic Math | 00:04:00 | ||

Lecture 13 Squaring two digit numbers mentally Using Vedic Math technique | 00:06:00 | ||

Lecture 14 Squaring three digit numbers mentally Using Vedic Math technique | 00:05:00 | ||

Section 9 | |||

Lecture 15 Finding cube of any two digit number faster than calculator | 00:10:00 | ||

Section 10 | |||

Lecture 16 Approximate value of square root of numbers which are not perfect squares | 00:09:00 | ||

Lecture 17 Approximate value of cube root of numbers which are not perfect cubes | 00:05:00 | ||

Section 11 | |||

Lecture 18 Short tricks to count Number of Squares in given figure | 00:05:00 | ||

Lecture 19 Short tricks to count Number of Rectangles in given figure | 00:03:00 | ||

Lecture 20 Short tricks to count Number of triangles in given figure | 00:04:00 | ||

Section 12 | |||

Lecture 21 Finding Day of the week when any date is given in 2 Seconds mentally | 00:12:00 | ||

Simplify calculations super fast | |||

Lecture 22 Digital sum of a number | 00:04:00 | ||

Lecture 23 Digital sum- Addition and Subtraction | 00:10:00 | ||

Lecture 24 Digital sums- Multiplication | 00:07:00 | ||

Lecture 25 Digital sum- divisions | 00:08:00 | ||

Simplification short cuts for complicated fractions and square root problems | |||

Lecture 26 Simplification short tricks for complicated fractions | 00:10:00 | ||

Lecture 27 Simplification short tricks for fractions series part 1 | 00:07:00 | ||

Lecture 28 Simplification short tricks for fractions series part 2 | 00:05:00 | ||

Lecture 29 Simplification short tricks for complicated square root problems | 00:09:00 | ||

Perfect Your Math Fundamentals (Pre-Algebra) | |||

Integers ( Directed Numbers) | |||

Lecture 1 Introduction | 00:02:00 | ||

Lecture 2 Multiplying any digit number by 11, 22, and 33 | 00:09:00 | ||

Lecture 3 Integers and ordering of integers | 00:06:00 | ||

Lecture 4 Addition and Subtractions of Integers | 00:07:00 | ||

Lecture 5 Operations on Integers | 00:04:00 | ||

Lecture 6 Multiplication and Division of Integers | 00:04:00 | ||

Lecture 7 Powers of Integers (Exponents) | 00:04:00 | ||

Factors and Multiples | |||

Lecture 8 Complete knowledge about factors and multiples | 00:06:00 | ||

Lecture 9 Divisibility tests for 2,3,4,5,6 | 00:07:00 | ||

Lecture 10 Divisibility rules 7,8,9,10,11 | 00:06:00 | ||

Lecture 11 Prime Factorization | 00:06:00 | ||

Lecture 12 Highest Common Factor HCF | 00:10:00 | ||

Lecture 13 Least Common Multiple LCM | 00:16:00 | ||

Lecture 14 Relation between LCM and HCF | 00:04:00 | ||

Fractions | |||

Lecture 15 Classification of Fractions | 00:04:00 | ||

Lecture 16 Convert mixed to improper and improper to mixed fractions | 00:03:00 | ||

Lecture 17 Equivalent Fractions | 00:04:00 | ||

Lecture 18 Comparing Fractions after converting to like fractions | 00:09:00 | ||

Lecture 19 Reducing a fraction to lowest term | 00:04:00 | ||

Lecture 20 Addition and subtraction OF fractions | 00:08:00 | ||

Lecture 21 Multiplication and division of fractions | 00:11:00 | ||

Lecture 22 Word problems on fractions | 00:16:00 | ||

Simplification Rule : BODMAS | |||

Lecture 23 BODMAS and rules to remove brackets | 00:03:00 | ||

Lecture 24 Simplify expressions using BODMAS rules | 00:05:00 | ||

Lecture 25 Simplify expressions involving fractions using BODMAS | 00:07:00 | ||

Decimal numbers | |||

Lecture 26 Decimal numbers in relation to fractions | 00:08:00 | ||

Lecture 27 Like and unlike Decimals | 00:05:00 | ||

Lecture 28 Ordering of Decimal numbers | 00:10:00 | ||

Lecture 29 Addition and subtraction of Decimal | 00:07:00 | ||

Lecture 30 Multiplication of Decimal | 00:03:00 | ||

Lecture 31 Division of Decimal | 00:05:00 | ||

Rational Numbers | |||

Lecture 32 Rational number | 00:02:00 | ||

Lecture 33 Representation of Rational Numbers on Number line | 00:04:00 | ||

Lecture 34 Determining which fraction is terminating or non terminating | 00:05:00 | ||

Lecture 35 shortcut method of writing decimal expansion of fraction to decimal | 00:08:00 | ||

Approximation | |||

Lecture 36 Rounding to whole number | 00:06:00 | ||

Lecture 37 Rounding to required number of decimals (1 d.p. ) | 00:05:00 | ||

Lecture 38 rounding to significant digits | 00:07:00 | ||

Lecture 39 Practice question on three methods of approximation | 00:05:00 | ||

Estimation and Scientific Notation or Standard form | |||

Lecture 40 Estimation | 00:05:00 | ||

Lecture 41 Scientific Notation | 00:07:00 | ||

Lecture 42 Operation on numbers when they are in scientific notation | 00:06:00 | ||

Percentage | |||

Lecture 43 Percentage to fraction and fraction to percentage | 00:06:00 | ||

Lecture 44 Percentage of a quantity and conversation to decimal | 00:06:00 | ||

Lecture 45 Expressing one quantity as percentage of another quantity | 00:06:00 | ||

Lecture 46 Finding increase decrease percent | 00:05:00 | ||

Lecture 47 Uses of percentages-Word Problems | 00:09:00 | ||

Ratio and Proportion | |||

Lecture 48 Ratio- How to express as simple ratio | 00:09:00 | ||

Lecture 49 How to compare Ratios | 00:04:00 | ||

Lecture 50 Word problems on finding ratios | 00:07:00 | ||

Lecture 51 To divide a given quantity into a given Ratio | 00:11:00 | ||

Lecture 52 Proportion | 00:04:00 | ||

Lecture 53 Practice problems on Proportion | 00:06:00 | ||

Lecture 54 Continued proportion | 00:06:00 | ||

Unitary Method and its Applications | |||

Lecture 55 Direct Variation ( or proportion) | 00:04:00 | ||

Lecture 56 Problems based on Direct proportion | 00:10:00 | ||

Lecture 57 Inverse Variation ( or proportion) | 00:10:00 | ||

Lecture 58 Multiple Ratios | 00:10:00 | ||

Profit , Loss, discount and Tax | |||

Lecture 59 Basics – Profit and Loss | 00:04:00 | ||

Lecture 60 More practice problems on Profit & Loss | 00:06:00 | ||

Lecture 61 Selling price formula and Problems | 00:04:00 | ||

Lecture 62 Cost price formula and Problems | 00:03:00 | ||

Lecture 63 Higher problems on Profit and Loss | 00:08:00 | ||

Lecture 64 Basics – Discount | 00:05:00 | ||

Lecture 65 Practice problems on Discount | 00:04:00 | ||

Lecture 66 Tax | 00:06:00 | ||

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