Integers (Directed Numbers) | |||
Introduction | 00:02:00 | ||
Number system | 00:09:00 | ||
Integers and ordering of integers | 00:07:00 | ||
Addition and Subtractions of Integers | 00:10:00 | ||
Operations on Integers | 00:06:00 | ||
Multiplication and Division of Integers | 00:06:00 | ||
Powers of Integers (Exponents) | 00:04:00 | ||
Factors and Multiples | |||
Complete knowledge about factors and multiples | 00:07:00 | ||
Divisibility tests for 2,3,4,5,6 | 00:07:00 | ||
Divisibility rules 7,8,9,10,11 | 00:11:00 | ||
Prime Factorization | 00:13:00 | ||
Highest common factor HCF | 00:13:00 | ||
Word problems based on HCF | 00:12:00 | ||
Least common multiple LCM | 00:16:00 | ||
Relation between lcm and HCF | 00:04:00 | ||
Fractions | |||
Classification of Fractions | 00:04:00 | ||
Convert mixed to improper and improper to mixed fractions | 00:03:00 | ||
Equivalent Fractions | 00:04:00 | ||
Comparing Fractions after converting to like fractions | 00:09:00 | ||
Reducing a fraction to lowest term | 00:04:00 | ||
Addition and subtraction OF fractions | 00:08:00 | ||
Multiplication and division of fractions | 00:11:00 | ||
Word problems on fractions | 00:16:00 | ||
Simplification Rule : BODMAS | |||
Bodmas and rules to remove brackets | 00:03:00 | ||
Simplify expressions using BODMAS rules | 00:05:00 | ||
Simplify expressions involving fractions using BODMAS | 00:07:00 | ||
Decimal numbers | |||
Decimal numbers in relation to fractions | 00:08:00 | ||
Like and unlike Decimals | 00:05:00 | ||
Ordering of Decimal numbers | 00:10:00 | ||
Addition and subtraction of Decimal | 00:07:00 | ||
Multiplication of Decimal | 00:03:00 | ||
Division of Decimal | 00:08:00 | ||
Rational Numbers | |||
Rational number | 00:02:00 | ||
Representation of Rational Numbers on Number line | 00:05:00 | ||
Determining which fraction is terminating or non-terminating | 00:07:00 | ||
Shortcut method of writing decimal expansion of fraction to decimal | 00:08:00 | ||
Approximation | |||
Rounding to whole number | 00:06:00 | ||
Rounding to required number of decimals (1 d.p.) | 00:05:00 | ||
Rounding to significant digits | 00:07:00 | ||
Practice question on three methods of approximation | 00:05:00 | ||
Estimation and Scientific Notation or Standard form | |||
Estimation | 00:05:00 | ||
Scientific Notation | 00:07:00 | ||
Operation on numbers when they are in scientific notation | 00:06:00 | ||
Percentage | |||
Percentage to fraction and fraction to percentage | 00:06:00 | ||
Percentage of a quantity and conversation to decimal | 00:06:00 | ||
Expressing one quantity as percentage of another quantity | 00:06:00 | ||
Finding increase decrease percent | 00:05:00 | ||
Uses of Percentages-Word Problems | 00:09:00 | ||
Ratio and Proportion | |||
Ratio- How to express as simple ratio | 00:09:00 | ||
How to compare Ratios | 00:04:00 | ||
Word problems on finding ratios | 00:07:00 | ||
To divide a given quantity into a given Ratio | 00:11:00 | ||
Proportion | 00:04:00 | ||
Practice problems on Proportion | 00:06:00 | ||
Continued proportion | 00:06:00 | ||
Unitary Method and its Applications | |||
Direct Variation (or proportion) | 00:04:00 | ||
Problems based on Direct proportion | 00:10:00 | ||
Inverse Variation (or proportion) | 00:10:00 | ||
Multiple Ratios | 00:10:00 | ||
Profit , Loss, discount and Tax | |||
Basics – Profit and Loss | 00:04:00 | ||
More practice problems on Profit _ Loss | 00:06:00 | ||
Selling price formula and Problems | 00:04:00 | ||
Cost price formula and Problems | 00:03:00 | ||
Higher problems on Profit and Loss | 00:08:00 | ||
Basics – Discount | 00:05:00 | ||
Practice problems on Discount | 00:04:00 | ||
Tax | 00:06:00 | ||
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