Pre-Algebra

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Introduction to Complex Numbers
Introduction to Complex Numbers 150 150 SchoolTutoring Academy

A complex number is a number which can be put in the form a + bi, where a and b are real numbers and i is called the imaginary unit,…

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Scientific Notation
Scientific Notation 150 150 SchoolTutoring Academy

Scientific notation is a way of writing numbers that are too large or too small to be conveniently written in standard notation. In scientific notation the number is written as:…

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Inverse Relationship Between Logarithmic and Exponential Functions
Inverse Relationship Between Logarithmic and Exponential Functions 150 150 SchoolTutoring Academy

There is inverse relationship between logarithmic and exponential functions given by expressions below: If, y = ax then, x = loga(y) That is, if x raise to power a is…

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Integers and Rules of Integers
Integers and Rules of Integers 150 150 SchoolTutoring Academy

The integers are whole numbers which include negative numbers also. That is, an integer can be negative (-1, -2, -3, -4….), positive (1, 2, 3, 4….) or zero (0). Integers…

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Order of Operations
Order of Operations 150 150 SchoolTutoring Academy

In mathematics an expression is solved by a rule known as order of operations in which operations on terms are performed following a certain order. According to order of operations…

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Core Math Concepts: Greatest Common Divisor
Core Math Concepts: Greatest Common Divisor 150 150 SchoolTutoring Academy

The greatest common divisor (gcd), also known as highest common factor (hcf), or greatest common factor (gcf), of two integers a and b is defined as the largest integer that…

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Adding and Subtracting Unlike Fractions
Adding and Subtracting Unlike Fractions 150 150 SchoolTutoring Academy

Fractions with different denominators are unlike fractions. They cannot be added or subtracted as they are.  They are to be converted to like fractions first which have common denominator. Then…

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How to Multiply and Divide Fractions
How to Multiply and Divide Fractions 150 150 SchoolTutoring Academy

Multiplication of  fractions While multiplying fractions, the product of the numerators forms the numerator of the resultant fraction and the product of the denominators forms the denominator of the final…

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Adding and Subtracting Like Fractions
Adding and Subtracting Like Fractions 150 150 SchoolTutoring Academy

Fractions with same denominators are called like fractions. Like fractions can be added and subtracted very easily. Simply add or subtract the numerators to get the resultant numerator and write…

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Introduction to Fractions: Basics and Types of Fractions
Introduction to Fractions: Basics and Types of Fractions 150 150 SchoolTutoring Academy

A fraction represents a part of a whole. A fraction is written in the form:     where a is the numerator, and b is the non-zero denominator. The line…

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