This document contains information about different types of numbers including rational numbers, irrational numbers, integers, natural numbers, and real numbers. It discusses how rational numbers can be expressed as fractions with integer numerators and non-zero denominators, and how irrational numbers cannot be expressed as fractions. It also contains examples of terminating and non-terminating decimals. Additionally, it discusses number lines and includes an example of marking distances on a number line.
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its a ppt based on the topic no. system.
it covers all the basics of ninth class cbse.
This is meant for age group 11 to 14 years.
For Class VIII CBSE.
Some viewers have requested me to send the file through mail.
So I allowed everybody to download.My request is whenever you are using plz acknowledge me.
Pratima Nayak ,Teacher,Kendriya Vidyalaya,Fort William,Kolkata
pnpratima@gmail.com
Based on Text book
To download -https://clk.ink/MS2T
this will lead to a google drive link./
its a ppt based on the topic no. system.
it covers all the basics of ninth class cbse.
This is meant for age group 11 to 14 years.
For Class VIII CBSE.
Some viewers have requested me to send the file through mail.
So I allowed everybody to download.My request is whenever you are using plz acknowledge me.
Pratima Nayak ,Teacher,Kendriya Vidyalaya,Fort William,Kolkata
pnpratima@gmail.com
Based on Text book
A numeral is a sign, or figure that represents a number. It is a mathematical numbering system. In other words, A numeral system is a way of writing numbers; it's a way of mathematically notating a collection of numbers by utilizing a consistent set of digits or other symbols.
Purpose:
This webinar by ASK aims to spread awareness about the practical use of the decimal number system in daily life to minimize errors and make calculations easier.
Number System.
"To preserve my brains I want food and this is now my first consideration. Any sympathetic letter from you will be helpful to me here to get a scholarship."
- Srinivasa Ramanujan (Indian Mathematician)
A number system is defined as a system of writing to express numbers. It is the mathematical notation for representing numbers of a given set by using digits or other symbols in a consistent manner. It provides a unique representation of every number and represents the arithmetic and algebraic structure of the figures. It also allows us to operate arithmetic operations like addition, subtraction and division.
what are the types of numbers all numbers are covered in great detail as well as tables of associative, communicative and distributive properties explained in detail
Guys, this is a ppt on ozymandias for class X. But for a better visualisation please download it becauz it is not showing the ppt properly online. Thank You
A Strategic Approach: GenAI in EducationPeter Windle
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Under Augustus, the empire experienced the Pax Romana, a 200-year period of relative peace and stability. Augustus reformed the military, established efficient administrative systems, and initiated grand construction projects. The empire's borders expanded, encompassing territories from Britain to Egypt and from Spain to the Euphrates. Roman legions, renowned for their discipline and engineering prowess, secured and maintained these vast territories, building roads, fortifications, and cities that facilitated control and integration.
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Culturally, the Romans were eclectic, absorbing and adapting elements from the civilizations they encountered, particularly the Greeks. Roman art, literature, and philosophy reflected this synthesis, creating a rich cultural tapestry. Latin, the Roman language, became the lingua franca of the Western world, influencing numerous modern languages.
Roman architecture and engineering achievements were monumental. They perfected the arch, vault, and dome, constructing enduring structures like the Colosseum, Pantheon, and aqueducts. These engineering marvels not only showcased Roman ingenuity but also served practical purposes, from public entertainment to water supply.
Unit 8 - Information and Communication Technology (Paper I).pdfThiyagu K
This slides describes the basic concepts of ICT, basics of Email, Emerging Technology and Digital Initiatives in Education. This presentations aligns with the UGC Paper I syllabus.
Read| The latest issue of The Challenger is here! We are thrilled to announce that our school paper has qualified for the NATIONAL SCHOOLS PRESS CONFERENCE (NSPC) 2024. Thank you for your unwavering support and trust. Dive into the stories that made us stand out!
Model Attribute Check Company Auto PropertyCeline George
In Odoo, the multi-company feature allows you to manage multiple companies within a single Odoo database instance. Each company can have its own configurations while still sharing common resources such as products, customers, and suppliers.
Palestine last event orientationfvgnh .pptxRaedMohamed3
An EFL lesson about the current events in Palestine. It is intended to be for intermediate students who wish to increase their listening skills through a short lesson in power point.
Operation “Blue Star” is the only event in the history of Independent India where the state went into war with its own people. Even after about 40 years it is not clear if it was culmination of states anger over people of the region, a political game of power or start of dictatorial chapter in the democratic setup.
The people of Punjab felt alienated from main stream due to denial of their just demands during a long democratic struggle since independence. As it happen all over the word, it led to militant struggle with great loss of lives of military, police and civilian personnel. Killing of Indira Gandhi and massacre of innocent Sikhs in Delhi and other India cities was also associated with this movement.
1. Name - Ankit Goel
Class – IX G
Roll No. - 11
Submitted To:
Ms.
2. IntroductionIntroduction
A number system defines a set of values used to
represent a quantity. We talk about the number of
people attending school, number of modules taken
per student etc.
Quantifying items and values in relation to each
other is helpful for us to make sense of our
environment.
The study of numbers is not only related to
computers. We apply numbers everyday, and
knowing how numbers work, will give us an
insight of how computers manipulate and store
numbers.
3. A number is a mathematical object used in
counting and measuring. It is used in counting
and measuring. Numerals are often used for
labels, for ordering serial numbers, and for codes
like ISBNs. In mathematics, the definition of
number has been extended over the years to
include such numbers as zero, negative numbers,
rational numbers, irrational numbers, and
complex numbers.
4.
5.
6. The real numbers include all of the measuring numbers .
Real numbers are usually written using decimal numerals ,
in which a decimal point is placed to the right of the digit
with place value one.
It includes all types of numbers such as Integers,Whole
numbers, Natural numbers, Rational number, Irrational
numbers and etc… Let us see them in detail…
7. A rational number is a number that can
be expressed as a fraction with an
integer numerator and a non-zero
natural number denominator.The
symbol of the rational number is ‘Q’. It
includes all types of numbers other
than irrational numbers, i.e. it includes
integers, whole number, natural
numbers etc…
8. This is a type of a rational number. Fractions are written
as two numbers, the numerator and the denominator
,with a dividing bar between them.
In the fraction m/n ‘m’ represents equal parts, where ‘n’
equal parts of that size make up one whole.
If the absolute value of m is greater than n ,then the
absolute value of the fraction is greater than 1.Fractions
can be greater than ,less than ,or equal to1 and can also
be positive ,negative , or zero.
9. If a real number cannot be written as a fraction of two
integers, i.e. it is not rational, it is called irrational
numbers . A decimal that can be written as a fraction
either ends(terminates)or forever repeats about which
we will see in detail further.
Real number pi (π) is an example of irrational.
π=3.14159365358979……the number neither start
repeating themselves or come in a specific pattern.
10. Integers are the number which includes positive and
negative numbers.
Negative numbers are numbers that are less than
zero. They are opposite of positive numbers .
Negative numbers are usually written with a negative
sign(also called a minus sign)in front of the number
they are opposite of .When the set of negative
numbers is combined with the natural numbers zero,
the result is the set of integer numbers , also called
‘Z’.
11. The most familiar numbers are the natural
numbers or counting numbers: One, Two, Three
and so on….
Traditionally, the sequence of natural numbers
started with 1.However in the 19th
century,
mathematicians started including 0 in the set of
natural numbers.
The mathematical symbol for the set of all natural
numbers is ‘N’.
12. A number line is a line with marks on it that are
placed at equal distance apart. One mark on the
number line is usually labeled zero and then each
successive mark to the left or to the write of the zero
represents a particular unit such as 1, or 0.5. It is a
picture of a straight line.
A number line
13. Decimal Expansion of
Numbers
A decimal expansion of a number can be either,
Terminating
Non-terminating, non recurring
Non terminating, recurring
Let us see each of the following
briefly…
14. Terminating decimal
A decimal expansion in which the remainder becomes
zero. For example, 54 9 =
Terminating decimal is always a rational number. It can
be written in p/q form.
549
6
54
0
As the remainder is zero, this
is a terminating decimal
15. Non terminating non
recurring
“Recurring” means “repeating”. In this form, when we
divide a number by another, remainder never becomes
zero, and also the number does not repeat themselves in
any specific pattern. If a number is non terminating and
non repeating, they are always classified as irrational
number. For example,
0.10100100010000100000100.... does have a pattern,
but it is not a fixed-length recurring pattern, so the
number is irrational.
16. Q. Show decimal
expansion of 5.37 on
number line.
Note: As we all know
that there are infinite
numbers between any
two numbers. So, this an
example of it.
18. Mark the distance 3.5 units from a fixed point A on the number line to
obtain a point B such that AB = 3.5 units. From B, mark the distance
of 1 unit and mark the new point as C. From the mid-point of AC and
mark that point as O. Draw a semi circle with centre O and radius OC.
Draw a line perpendicular to AC passing through B and intersecting
the semicircle at D. then, BD = units.
19. 1.am
. an
= am+n
Ex – 52
. 53
= 52+3
= 55
2.(am
)n
= amn
Ex – (72
)4
= 72*4
= 78
3.am
/ an
= am-n
Ex – 45
/ 43
= 45-3
= 42
4.am
bm
= (ab)m
Ex – 94
* 154
= (9*15)4
= 1354