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x 3.7 part 2 April 20, 2020 Q5. Determine the greatest 3 digit no exactly divisible by 8, 10 and 12  Greatest 3 digit number = 999 Find LCM of 2| 8, 10, 12                         2| 4, 5, 6                             3| 2, 5, 3                             5| 2,  5, 1                            2| 2,  1, 1                               1,  1,  1 LCM = 120 120) 9 9 9( 8          9 6 0              3 9 999 - 39 = 960 The greatest 3 digit number exactly by indivisibly 8,10, 12 = 960 Q6. The traffic lights at 3 different road crossing change after every 48 seconds 72 seconds and 108 second respectively. If they change  simultaneously  at 7:00 am at what time will they change simultaneously again? [HINT: Simultaneously  means together --> Find LCM ] Answer: 2| 48, 108, 72                 2| 24, 54, 36                   2| 12, 27, 18                   3| 6, 27,   9                     3| 2,  9,   3                      2| 2,  3,   1              

Good morning students !😊😊 Welcome to mathematics blog lesson. Dear  students,  Today  I  would  like YOU to practice   AQAD  questions.   AQAD  means  A  Question  A  Day. You  did ASSET  exam  last  year also . ASSET  exam  is  usually conducted  in the month  of August .I will be giving you   MATHS  AQAD  every  week ,  one  per  week. Here are the   AQAD  questions for the last weeks. Remember to  mark the   AQAD   questions in red for  your  quick reference.  As  you  know  ASSET  questions  are  based on your  previous  year's topic,  so you  should  be  able to do it.You  will  copy these  questions in your  Maths Notebook   and the answers will be shared on your class group. DO THESE IN YOUR NOTEBOOK,UNDER THE HEADING AQAD 1)  A prime number is a number, which is not completely divisible by any number except 1 and itself.  Using only the information in the table given here, which of the given numbers can we say with CERTAINTY, IS NOT a prim

Today we are going to do Ex 3.7, Q3 and Q4  Q4. Determine the smaller 3 digit number which is exactly  divisible by 68 and 12 ? [Hint: Look at the words highlighted it tells us to find the LCM] Answer: 2 | 6, 8, 12                3|  3, 4, 6                2|  1, 4, 2                 2|  1, 2, 1           LCM = 3 x 2 x 2 x 2                    = 24 Multiples of 24 are  24 x 1 = 24  24 x 2 = 48 24 x 3 = 72 24 x 4 = 96 24 x 5 = 120 120 is the smallest 3 digit number divisible by 6, 8 and 12.                                                 OR Answer: 2 | 6, 8, 12                3|  3, 4, 6                2|  1, 4, 2                 2|  1, 2, 1           LCM = 3 x 2 x 2 x 2                    = 24              _____          24)100   (4               -  96                    4 24 - 4 = 20 100 + 20 120 Q3. The length, breadth and height of a room are 825 cm and 675 cm and 450 cm respectively. Find the  long

Word Problems 1 (playing with numbers) April 26, 2020 Good morning students !😊😊 Welcome to mathematics blog lesson. Topic is - "Playing with numbers" ➧ Copy the  Points to remember and Key words  for HCF & LCM word problems  in your  MATHS NOTEBOOK Applications of LCM and HCF As you know, Maths is a subject you understand, not a subject you memorize. So learning the application of a concept helps you fully understand the topic, and also makes it interesting. There are various interesting applications of L.C.M and H.C.F. Let us learn more about them. Points to remember while solving H.C.F/G.C.F and L.C.M word problems (WRITE ALL THE POINTS GIVEN BELOW IN YOUR NOTEBOOK) ➤ Whenever the question  talks about the greatest or maximum,  then in  most of these cases it will be a question of  HCF.  Secondly, whenever the question is related to  classification or distribution into groups,  then in all the cases it is  HCF only.

GOOD MORNING BOYS ! Click on the link given below and do the test.(28.4.20) -Fill in a valid email id -Choose your class section ( 6-C) - Enter your name Once you attempt all 10 questions ,click on SUBMIT NOTE - You can keep a rough copy and pen for any calculations required. ALL THE BEST!! https://forms.gle/XDUnjyN34ZSroDfy8

Good morning students ! 😊😊 Welcome to mathematics blog lesson. Topic is - "Playing with numbers" ➧ Copy the  Explanation with examples  in your  MATHS NOTEBOOK Today, by the end of the lesson you will be able to: ➤ explain the relation between H.C.F and L.C.M ➤ apply the formula of its relation to solve the sums.    COPY EVERYTHING  GIVEN BELOW IN YOUR MATH NOTEBOOK Co-relation between H.C.F and L.C.M Please have a look at the video that is given below. There is an interesting co-relation between H.C.F and L.C.M. of two numbers. The product of the H.C.F. and L.C.M. of any two numbers is always equal to the product of those two numbers.   However the same is not applicable to three or more numbers.   https://youtu.be/A4Z7GahjFWc    These examples will now help you to understand even better. Do you realise that you are now slowly being able to understand Maths all by yourself. Example:  Let the two numbers be 4 and 6.