Скачать или смотреть Class 6 Math Chapter 3 Part 13 || Exercise 3.7 & Summary || Eng NCERT || Arslan Sir

In this video, your teacher Mr. Arslan will be discussing the Chapter 3 ( Playing with Numbers ) and revising concepts related to -
1. Prime Factorisation
2. HCF - Highest Common Factor
3. LCM - Lowest Common Multiple
4. Summary of Chapter 3 / What have we discussed

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Class 6 Mathematics Playlist    • Class 6 Mathematics || English NCERT || Ar...  

Class 6 Math Chapter 3
Part 1 Factors & Multiples link    • Class 6 Math Chapter 3 Part 1 || Factors &...  
Part 2 Exercise 3.1 link    • Class 6 Math Chapter 3 Part 2 || Exercise ...  
Part 3 Types of Numbers link    • Class 6 Math Chapter 3 Part 3 || Types of ...  
Part 4 Exercise 3.2 link    • Class 6 Math Chapter 3 Part 4 || Exercise ...  
Part 5 Test for Divisibility link    • Class 6 Math Chapter 3 Part 5 || Divisibil...  
Part 6 Exercise 3.3 link    • Class 6 Math Chapter 3 Part 6 || Exercise ...  
Part 7 Common Factor & Multiple link    • Class 6 Math Chapter 3 Part 7 || Common Fa...  
Part 8 Exercise 3.4 link    • Class 6 Math Chapter 3 Part 8 || Exercise ...  
Part 9 Prime Factorisation, HCF & LCM link    • Class 6 Math Chapter 3 Part 9 || Prime Fac...  
Part 10 Exercise 3.5 link    • Class 6 Math Chapter 3 Part 10 || Exercise...  
Part 11 Exercise 3.6 link    • Class 6 Math Chapter 3 Part 11 || Exercise...  
Part 12 Word Problems link    • Class 6 Math Chapter 3 Part 12 || Word Pro...  
Part 13 Exercise 3.7 link    • Class 6 Math Chapter 3 Part 13 || Exercise...  

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a. Mr. Arslan Guzel has done his B. Tech and M. Tech in Mechanical Engineering and has almost 5 years of experience. He will be teaching primarily the English-Medium Students.
b. Mr. Hashim Khan has done his B. Tech in Civil Engineering and has almost 5 years of experience. He will be teaching primarily Hindi-Medium Students with main terminologies and keywords mentioned in Hindi.

#ProperPariksha # Class6 #Maths #playingwithnumbers #cbse
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Exercise 3.7
Renu purchases two bags of fertiliser of weights 75 kg and 69 kg. Find the maximum value of weight which can measure the weight of the fertiliser exact number of times.
Three boys step off together from the same spot. Their steps measure 63 cm, 70 cm and 77 cm respectively. What is the minimum distance each should cover so that all can cover the distance in complete steps?
The length, breadth and height of a room are 825 cm, 675 cm and 450 cm respectively. Find the longest tape which can measure the three dimensions of the room exactly.
Determine the smallest 3-digit number which is exactly divisible by 6, 8 and 12.
Determine the greatest 3-digit number exactly divisible by 8, 10 and 12.
The traffic lights at three different road crossings change after every 48 seconds, 72 seconds and 108 seconds respectively. If they change simultaneously at 7 a.m., at what time will they change simultaneously again?
The traffic lights at three different road crossings change after every 48 seconds, 72 seconds and 108 seconds respectively. If they change simultaneously at 7 a.m., at what time will they change simultaneously again?
Three tankers contain 403 litres, 434 litres and 465 litres of diesel respectively. Find the maximum capacity of a container that can measure the diesel of the three containers exact number of times.
Find the least number which when divided by 6, 15 and 18 leave remainder 5 in each case.
Find the smallest 4-digit number which is divisible by 18, 24 and 32.
Find the LCM of the following numbers : (a) 9 and 4 (b) 12 and 5 (c) 6 and 5 (d) 15 and 4 Observe a common property in the obtained LCMs. Is LCM the product of two numbers in each case?
Find the LCM of the following numbers in which one number is the factor of the other. (a) 5, 20 (b) 6, 18 (c) 12, 48 (d) 9, 45 What do you observe in the results obtained?
Summary / What have we discussed?
1. We have discussed multiples, divisors, factors and have seen how to identify factors and multiples.
2. We have discussed and discovered the following:
(a) A factor of a number is an exact divisor of that number.
(b) Every number is a factor of itself. 1 is a factor of every number.
(c) Every factor of a number is less than or equal to the given number.
(d) Every number is a multiple of each of its factors.
(e) Every multiple of a given number is greater than or equal to that number.
(f) Every number is a multiple of itself.
3. We have learnt that –
(a) The number other than 1, with only factors namely 1 and the number itself, is a prime number. Numbers that have more than two factors are called composite numbers. Number 1 is neither prime nor composite.
(b) The number 2 is the smallest prime number and is even. Every prime number other than 2 is odd.