Number Systems - One Shot Revision | Class 9 NCERT Maths Chapter 1

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✅ In this video,

✔️ Class: 9th
✔️ Subject: Maths (NCERT)
✔️ Chapter: Number System (Chapter 1)
✔️ Topic Name: Number Systems - One Shot Revision
✔️ Topics Covered in This Video (By Abhishek sir): This video is a helpful resource for students of Class 9th Mathematics as it provides a comprehensive revision of Chapter 1, Number Systems. In this video, Abhishek Chouhan, an experienced Maths teacher, will lead you through the key principles and equations related to Number Systems with his easy-to-understand teaching style. He will also explain some basic concepts as well as some problems that can help you in your upcoming exams. So, if you are looking to brush up on your Number System concepts, don’t miss this informative and comprehensive tutorial.
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0:00 Chapter Review
1:02 Introduction
23:39 Irrational Numbers
38:15 Real Numbers & Their Decimal Expansions
53:04 Representing Real Numbers on the Number Line
1:03:26 Operations of Real Numbers
1:18:31 Laws of Exponents for Real Numbers
1:27:16 Exercise 1.1 - (Question - 2 to 4)
1:31:09 Exercise 1.2 - (Question - 1 to 3)
1:37:46 Exercise 1.3 - (Question - 1 to 9)
1:53:13 Exercise 1.4 - (Question - 1 & 2)
2:00:02 Exercise 1.5 - (Question - 1 to 5)
2:08:24 Exercise 1.6 - (Question - 1 to 3)
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[MagnetBrainsEducation]

To dear students,
At 1:30:36, the statement is "false", as every whole number is an integer not every integer is whole number.
Also, at 1:31:46, the statement is "false" because root of negative number become imaginary not natural.

From,
Abhishek Sir

[nightshade-nemesis]

33:33-37:54 Thank you so much, sir. I had confusion in this part of the chapter because I missed the class when mam taught it. I've understood it now. Thank you so much

[Maknepragati_]

1:30:29 sir it is true that every natural number is a whole number as natural number starts from 1 and whole numbers start from zero

[unknownboy]

1:51:43 these numbers are not irrational sir because his decimal expansion is non terminating repeating
Decimal expansion of an irrational number is non terminating non repeating

[muhammednadeemshah]

46:56
The fourth point States that "10/7 is to write it as 3.3"
But 10/7 cannot be written as 3.3
It should have been "10/3 is to write it as 3.3"

[LuckyGamer-edlr]

1:46:59 sir the answer is 1/999 and the value is = 1000x

[B.edfever]

Best math teacher faculty ❤️❤️
❤️❤️ ... I am preparing for banking but My Basic was not clear, but I have just read it from the Abhishek sir and completed all the basic ....from m class 6th to 10 thank you so much ....aaapne bht achhe se smjhaya hai saaare chapters ke concepts ko .... Class 8 th me sir ko hi padhana chahiye tha .... .. thank you sir 😍😍😍😍😍😍

[ayushkumarz]

Thank You Sir but you did 2 True/False wrong at 1:31:08 1st one should be True and 2nd one should be False

[rohanBuilds]

anyone plz tell that at 58:40 when we make a new number line sir said that we have to take equal distance so we can we take a distance of 1cm gap on every number line?

[harshitnimbark]

1:45:30 sir your answer is incorrect kindly check. Ex 1.3 Q2

[wealthyluxury]

Sir aap jo revision karaate ho uske compare me bahut kharaab toh school me chapter explain hote hai 😂😂

[constituentgaming]

Sir finally after Class 7 I AM STUDYING WITH YOU 🥳🎉

[AVII_]

Sare chapter one shot me dekh kr socha ab yhi se padh lenge but yha toh... Chapters me jitna aata hoga vo bhi bhul jayege 😢😐

[amituniqueacademy]

Sir tomorrow is my maths exam how can I preper that In one day

[Pwrockstar]

Sir At 1:14:18 you did a silly mistake by told that Point C show the value of √3.5 . We have to measure the length of BD line and then with the help of compass show this on line.

[minunair]

excercise 1.3 question ii) 43/90 iii) 1/999 please check

[subhashgupta]

Sir aapke team ke wajha se mera bihar me stet maths ka paper clear hogya hai thankyou so much magnet brain team🎉🎉🎉❤❤❤❤❤

[AdityaYadav-glny]

Every every natural number is a whole number >> TRUE✅️

[INFINIX]

@MagnetBrainsEducation
IDK WHO THIS SIR IS, BUT HE IS TEACHING WRONG STUFF AS THE ANSWER OF QUESTION AT 1:45:12 is 43/90 and not 47/99.

[ayushbhana]

Every natural number is a whole number this answer is. .... True sir 🙏