Pre Algebra

What is a Rational Number?

April 30, 2023

What is a Rational Number?A rational number is a number which can be put in the form \(\frac { p }{ q }\), where p and q are both integers and q ≠ 0. p is called numerator (Nr) and q is called denominator (Dr). You can also go through https://www.aplust…

Common Factors

April 30, 2023

Common FactorsWhen two integers are multiplied together, the answer is called a product. The integers that were multiplied together are called the factors of the product. 3 • 6 = 18 (3 and 6 are factors of 18)The greatest common factor of two (or more) i…

Absolute Value

April 30, 2023

Absolute ValueThe absolute value of a number can be considered as the distance between 0 and that number on the real number line. Remember that distance is always a positive quantity (or zero). The distance in the diagram below from -3 to 0 is 3 units. T…

Converting To and From Scientific Notation

April 30, 2023

Converting To and From Scientific NotationConverting To Scientific NotationTo Change from Standard Form to Scientific Notation:Place the decimal point such that there is one non-zero digit to the left of the decimal point.Count the number of decimal plac…

Arithmetic Sequences and Series

April 30, 2023

Arithmetic Sequences and SeriesA sequence is an ordered list of numbers. The sum of the terms of a sequence is called a series. Read More:What is the pattern of numbers?SequencesWhile some sequences are simply random values, other sequences have a defin…

How to Find The Prime Factors Using Factor Tree

April 30, 2023

PRIME FACTORISATIONPrime factorisation is the process by which a composite number is rewritten as the product of prime factors. Example 1: Find out the prime factorisation of 30. First we will see whether the given number is divisible by a least prime nu…

Sequences

April 30, 2023

SequencesIn the previous lesson, we learned about pattern of numbers. In this lesson we discuss about Sequences. A sequence is an ordered list of numbers. The sum of the terms of a sequence is called a series.Each number of a sequence is called a term …

Absolute Value Equations

April 28, 2023

Absolute Value EquationsTo solve an absolute value equation, isolate the absolute value on one side of the equal sign, and establish two cases:Case 1: |a| = b set a = b Set the expression inside the absolute value symbol equal to the other given expressi…

How do you Convert Unlike Decimals into Like Decimals

April 20, 2023

How do you Convert Unlike Decimals into Like DecimalsLike decimals: Decimals with the same number of decimal places are called like decimals. Examples: 0.6, 3.5, 6.1 ( one decimal place) 2.15,0.78,26.11 (two decimal places)Unlike decimals: Decimals havi…

What is Comparing and Ordering of Fractions

April 20, 2023

What is Comparing and Ordering of FractionsComparison of fractions are divided into three categories.1. Fraction with the same numeratorLet us consider the following fractions with the same numerator: \(\frac{1}{3}\), \(\frac{1}{2}\), \(\frac{1}{6}\) The…