Pre-Algebra

Patterns

• What is the pattern of numbers?
• Sequences
  
• Arithmetic Sequences and Series

Big and Small Numbers

• What is the meaning of Place Value and Face Value in Maths?
• What is the Place Value Chart of an Indian and International System?
• What is a Decimal Value and Place Value of Decimals?
• How do you Round to the Nearest Ten Thousand
• What is the Definition of an Equivalent Decimal
• Converting To and From Scientific Notation
• What is the Difference between Ascending and Descending Order
• Addition and Subtraction of Decimals
• How do you Multiply and Divide Decimals?
• How do you Convert Fractions into Decimals and Vice Versa
• How do you Convert Unlike Decimals into Like Decimals

Handling Negative Numbers

Fundamental Operations on Integers

Doing Calculations

• Whole Numbers And Its Properties
• Hints for Remembering the Properties of Real Numbers
• What Are The Four Basic Operations In Mathematics
• Order of Operations and Evaluating Expressions
• Absolute Value
• Absolute Value Equations
• Absolute Value Inequalities
• Absolute Value of Complex Numbers

Using Inequalities (less than, greater than)

• Formation and Comparision of Numbers

Using Exponents

• What is an Exponent?
• What are Laws of Exponents?
• Review of Exponents

Factors and Multiples

• Finding Factors and Multiples
• Common Factors
• How to Find The Prime Factors Using Factor Tree
• How To Find The HCF And LCM Using Prime Factorisation Method

Ratios and Proportions

• Proportions
• What is a Ratio and Proportion

Fractions and Percents

• What is Fraction and How many Types of Fractions are there
• Comparing and Ordering of Fractions
• Operations on Fractions
• What is an Equivalent Fraction
• Conversion of Fraction into Decimal
• Percents
• How do you Calculate Percentages?

Rational and Irrational Numbers

• What is a Rational Number?
• What Is Irrational Number
• Rational and Irrational Numbers
• Decimal Representation of Rational Numbers
• How to Convert Decimal Number into Rational Number?
• How do you Add and Subtract Rational Numbers?
• How do you Multiply and Divide Rational Numbers?

How to Estimate Answers

• Introduction to Estimation
• Estimation Tips and Tricks
• Visual Estimation
• Estimation Games

Some Examples Using Pre-Algebra
Here are some subjects where you can use your new skills:

• Celsius and Fahrenheit
• Interest