NCERT Solutions Class 5 Maths Chapter-6 Be my Multiple, I’ll be your Factor

NCERT Solutions Class 5 Maths Chapter 6 specifically deals with concepts such as multiples and factors. These concepts are explained in a way that makes it easier for all students to understand and comprehend the content. For instance, there are direct questions and application questions. All question are answered with step by step explanations for each solution. Furthermore, these selected questions are the most probable and highly anticipated in the exam.

This chapter will deal with the topics based on:

  • Jumping the numbers such as skipping 2 or 3 or more numbers and forming the series of it.
  • Figuring out numbers divided by 2,3 or 4.
  • Writing the multiples of a number in the sequence.
  • Finding the smallest common multiples, etc.

Solve more such type problems based on these concepts in the below-given solutions for chapter 6.

NCERT Solutions for Class 5 Maths Chapter 6 Be my Multiple, I’ll be your Factor:-Download PDF Here

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Access Solutions for NCERT Class 5 Maths Chapter-6 Be my Multiple, I’ll be your Factor

Page: 87

1. The hungry cat is trying to catch Kunjan the mouse. Kunjan is now on the 14th step and it can jump 2 steps at a time. The cat is on the third step. She can jump 3 steps at a time. If the mouse reaches 28 it can hide in the hole. Find out whether the mouse can get away safely.

a) The steps on which the mouse jumps

Solution:-

The mouse jumps from 14th step to 16, 18, 20, 22, 24, 26, and 28th step.

b) The steps on which the cat jumps

Solution:-

The cat jumps from 3rd step to 6, 9, 12, 15, 18, 21, 24, and 27th step.

c) The steps on which both the cat and the mouse jump

Solution:-

The steps on which both the cat and the mouse jump are 18th and 24th step.

d) Can the mouse get away?

Solution:-

Yes, the mouse get away.

2. Find out

If the cat starts from the 5th step and jumps five steps at a time and the mouse starts from the 8th step and jumps four steps at a time, can the mouse get away?

Solution:-

If the cat starts from the 5th step and jumps five steps at a time, the cat jumps from 5th step to 10, 15, 20, and 25th step.

Then, the mouse starts from the 8th step and jumps four steps at a time, the mouse jumps from 8th step to 12, 16, 20, and 24th step.

No, mouse cannot get away. Cat will easily catch the mouse at 20th step.

3. Who is Monto waiting for?

Monto cat is waiting for somebody. Do you know for whom he is waiting?

There is a trick to find out.

NCERT Solutions for Class 5 Maths Chapter 6 image 1

Mark with a red dot all the numbers which can be divided by 2.

Mark a yellow dot on the numbers which can be divided by 3 and a blue dot on the numbers which can be divided by 4.

Solution:-

NCERT Solutions for Class 5 Maths Chapter 6 image 2

(i) Which are the boxes which have dots of all three colours?

Solution:-

The boxes which have dots of all three colours are 12, 24, 36, 48, and 60.

(ii) What are the letters on top of those boxes?

Solution:-

The letters on top of those boxes are M, O, U, S, E.

(iii) Write those letters below in order.

Solution:-

MOUSE,

So, Monto cat is waiting for Mouse.

4. Meow Game, to play this game, everyone stands in a circle. One player calls out ‘one’. The next player says ‘two’ and so on. A player who has to call out 3 or a number which can be divided by 3 has to say ‘Meow’ instead of the number. One who forgets to say ‘Meow’ is out of the game. The last player left is the winner.

Which numbers did you replace with ‘Meow’?

Solution:-

The numbers which replace with ‘Meow’ are and multiples of 3 are,

3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45 and so on.

5. We say these numbers are the multiples of 3.

Play the game by changing the number to 4. Now, which numbers did you replace with ‘Meow’? These numbers are the multiples of 4.

Solution:-

The numbers which replace with ‘Meow’ and multiples of 4 are,

4, 8, 12, 16, 20, 24, 28, 32, 36, 40, and so on.

(i) Write any ten multiples of 5

Solution:-

Ten multiples of 5 are, 5, 10, 15, 20, 25, 30, 35, 40, 45, and 50.

6. Common Multiples

(i) Think of a number. If it is a multiple of 3 write it in the red circle. If it is a multiple of 5 write it in the blue circle.

NCERT Solutions for Class 5 Maths Chapter 6 image 3

Solution:-

6 and 36 are multiple of 3.

10 and 40 are multiple of 5.

Then,

NCERT Solutions for Class 5 Maths Chapter 6 image 4

(ii) Some numbers are multiples of both 3 and 5. So we can say that they are to both 3 and 5. Think! If you write the multiples common to 3 and 5 in the purple part, then will they still be in both the red and the blue circles?

Solution:-

15 and 30 are the numbers which are multiples of both 3 and 5.

NCERT Solutions for Class 5 Maths Chapter 6 image 5

7. Repeat the game by putting the multiples of 4, 6 and 5 in the circles.

NCERT Solutions for Class 5 Maths Chapter 6 image 6

Solution:-

NCERT Solutions for Class 5 Maths Chapter 6 image 7

(i) What common multiples of 5 and 6 did you write in the green part?

Solution:-

30 and 60 are the common multiples of 5 and 6.

(ii) What common multiples of 4 and 6 are written in the orange part?

Solution:-

12 and 24 are the common multiples of 4 and 6.

(iii) In which coloured part did you write the common multiples of 4, 6 and 5?

Solution:-

The common multiples of 4, 6 and 5 are written in the gray part.

(iv) What is the smallest common multiple of 4, 6 and 5?

Solution:-

The smallest common multiple of 4, 6 and 5 is 60.

8. Tamarind seeds.

(i) Sunita took some tamarind (imli) seeds. She made groups of five with them, and found that one seed was left over She tried making groups of six and groups of four. Each time one seed was left over. What is the smallest number of seeds that Sunita had?

Solution:-

From the question it is given that,

Sunita is trying to make groups of four, five, and six, every time one seed remains.

So, now we calculate the LCM of 4, 5, 6 and add 1 to the LCM.

LCM of 4, 5, and 6 is 60

Adding 1 to the LCM we get, 61

Therefore, the smallest number of seeds that Sunita had is 61.

9. More tamarind seeds

Ammini is arranging 12 tamarind seeds in the form of different rectangles. Try to make more rectangles like this using 12 tamarind seeds. How many different rectangles can you make?

Solution:-

I got four different rectangles are as shown in the figure below,

NCERT Solutions for Class 5 Maths Chapter 6 image 8

(i) If there are 15 tamarind seeds how many rectangles can you make?

Solution:-

NCERT Solutions for Class 5 Maths Chapter 6 image 9

10. Colouring the Grid

NCERT Solutions for Class 5 Maths Chapter 6 image 10

In the grid here, a rectangle made of 20 boxes is drawn.

The width of this rectangle is 2 boxes.

(i) What is its length?

Solution:-

By observing the recatngle coloured in the grid we can say that length of the rectangle is 10 boxes.

(ii) Colour a rectangle made of 20 boxes in some other way.

Solution:-

NCERT Solutions for Class 5 Maths Chapter 6 image 11

(iii) What is the length and width of the rectangle you coloured?

Solution:-

The length of the rectangle is 5 boxes and width of the reactangle is 4 boxes.

(iv) In how many ways can you colour a rectangle of 20 boxes? Colour them all in the grid, and write the length and width of each rectangle you have coloured.

Solution:-

NCERT Solutions for Class 5 Maths Chapter 6 image 12

Length and widht of rectangle 1 is 5 and 4 respectively.

Length and widht of rectangle 2 is 4 and 5 respectively.

Length and widht of rectangle 3 is 20 and 1 respectively.

11. There are 18 bangles on the rod. Meena is trying to group them. She can put them in groups of 2, 3, 6, 9 and 18 — without any bangle being left.

(i) How many groups will she have if she makes groups of 1 bangle each?

Solution:-

If Meena makes groups of 1 bangle each, she will get 18 groups.

(ii) Now complete the table, for different numbers of bangles. For each number see what different groups can be made.

NCERT Solutions for Class 5 Maths Chapter 6 image 13

Solution:-

NCERT Solutions for Class 5 Maths Chapter 6 image 14

12. Fill the chart

Complete the multiplication chart given here.

NCERT Solutions for Class 5 Maths Chapter 6 image 15

Look at the green boxes in the chart. These show how we can get 12 by multiplying different numbers.

12 = 4 × 3, so 12 is a multiple of both 4 and 3. 12 is also a multiple of 6 and 2, as well as 12 and 1. We say 1, 2, 3, 4, 6, 12 are factor of 12

NCERT Solutions for Class 5 Maths Chapter 6 image 16

Solution:-

NCERT Solutions for Class 5 Maths Chapter 6 image 17
NCERT Solutions for Class 5 Maths Chapter 6 image 18

(i) What are the factors of 10? Can you do this from the chart?

Solution:-

From the chart factors of 10 are 1, 2, 5 and 10.

(ii) What are the factors of 36?

Solution:-

1, 2, 3, 4, 6, 9, 12, 18 and 36 are the factors of 36.

(iii) Find out all the factors of 36 from the multiplication chart.

Solution:-

From the multiplication chart the factors of 36 are 1, 2, 3, 4, 6, and 9.

(iv) What is the biggest number for which you can find the factors from this chart?

Solution:-

From the multiplication chart 144 is the biggest number for which we can find the factors.

(v) What can you do for numbers bigger than that?

Solution:-

First, we will extend the multiplication chart and then complete the chart.

13. Common Factors

(i) Write the factors of 25 in the red circle and the factors of 35 in the blue circle.

NCERT Solutions for Class 5 Maths Chapter 6 image 19

Solution:-

NCERT Solutions for Class 5 Maths Chapter 6 image 20

(ii) Which are the factors you have written in the common part (purple) of both circles? These are of 25 and 35.

Solution:-

5 and 1 are the common factors of 25 and 35

(iii) Now write the factors of 40 in the red circle and 60 in the blue circle.

 NCERT Solutions for Class 5 Maths Chapter 6 image 21

Solution:-

NCERT Solutions for Class 5 Maths Chapter 6 image 22

(iv) What are the factors written in the common (purple) part of the circle? Which is the biggest common factor of 40 and 60?

Solution:-

20 is the biggest common factor of 40 and 60.

14. Factor Tree

(i) Look at the factor tree. Now can you make another tree like this?

NCERT Solutions for Class 5 Maths Chapter 6 image 23

Solution:-

NCERT Solutions for Class 5 Maths Chapter 6 image 24

(ii) In how many ways can you draw a factor tree for 24? Draw three of them below.

NCERT Solutions for Class 5 Maths Chapter 6 image 25
Solution:-

NCERT Solutions for Class 5 Maths Chapter 6 image 26

15. Tiling Problems

(i) There is a garden in Anu’s house. In the middle of the garden there is a path. They decided to tile the path using tiles of length 2 feet, 3 feet and 5 feet.

The mason tiled the first row with 2 feet tiles, the second row with 3 feet tiles and the third row with 5 feet tiles. The mason has not cut any of the tiles. Then what is the shortest length of the path?

Solution:-

From the question it is given that, mason tiled the first row with 2 feet tiles, the second row with 3 feet tiles and the third row with 5 feet tiles.

So, now we have to find the LCM of 2, 3 and 5.

The LCM of 2, 3, and 5 is 30.

Therefore, the shortest length of the path is 30 m.

(ii) Manoj has a new house. He to lay tiles on the floor. The size of the room is 9 feet × 12 feet. In the market, there are three kinds of square tiles: 1 foot × 1 foot, 2 feet × 2 feet and 3 feet × 3 feet. Which size of tile should he buy for his room, so that he can lay it without cutting?

Solution:-

From the question it is given that, size of the room is 9 feet × 12 feet.

Size of the tiles available in the market are: 1 foot × 1 foot, 2 feet × 2 feet and 3 feet × 3 feet.

Here, 2 is not a factor of width of the room i.e. 9 feet, so 2 feet × 2 feet tiles is not able to lay.

1 and 3 are the factors of 3 and 9.

Therefore, Monoj can buy1 foot × 1 foot, and 3 feet × 3 feet, so that he can lay it without cutting.

(iii)

NCERT Solutions for Class 5 Maths Chapter 6 image 27

Rani, Geetha and Naseema live near each other. The distance from their house to the road is 90 feet. They decided to tile the path to road. They all bought tiles of different designs and length. Rani the shortest tile, Geetha bought the middle sized one and Naseema bought the longest one. If they could tile the path without cutting any of the tiles what the size of the tiles each has bought? Suggest 3 different solutions. Explain how you get this answer.

Solution:-

From the question, the distance from their house to the road is 90 feet.

Factors of 90 are, 1, 2, 3, 5, 6, 9 etc.

Then, possible size of tiles are 1 foot × 1 foot, 2 feet × 2 feet, 3 feet × 3 feet, 5 feet × 5 feet, 6 feet × 6 feet and 9 feet × 9 feet etc.

Then the size of the tiles each has bought are,

(i) Rani 1 foot × 1 foot

Geetha 2 feet × 2 feet

Naseema 3 feet × 3 feet

(ii) Rani 2 feet × 2 feet

Geetha 3 feet × 3 feet

Naseema 5 feet × 5 feet

(iii) Rani 3 feet × 3 feet

Geetha 5 feet × 5 feet

Naseema 6 feet × 6 feet

Frequently Asked Questions on NCERT Solutions for Class 5 Maths Chapter 6

What are the salient features of NCERT Solutions for Class 5 Maths Chapter 6?

The salient features of NCERT Solutions for Class 5 Maths Chapter 6 are as follows:
1. All the solutions are designed by highly experienced subjects experts.
2. The solutions are created following the latest CBSE syllabus and marking schemes.
3. Available in both online and offline formats and can be accessed at any time and anywhere.
4. Simple language is used for easy understanding.

List out the main concepts present in Chapter 6 of NCERT Solutions for Class 5 Maths.

The main concepts present in Chapter 6 of NCERT Solutions for Class 5 Maths are listed below:
1. Writing the multiples of a number in the sequence.
2. Figuring out numbers divided by 2, 3 or 4.
3. Jumping the numbers such as skipping 2 or 3 or more numbers and forming the series of them.
4. Finding the smallest common multiples and common factors.

How to find the common factors of two numbers as explained in Chapter 6 of NCERT Solutions for Class 5 Maths?

To find the common factors of two numbers, first write the factors of the first number in a red circle and the factors of the second number in a blue circle. Now, check for the common factors and write them in the common part of the two circles and shade it purple. Hence, the factors in the common (purple) part are the common factors for the given two numbers.

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