S.chand Composite class 6 Mathematics Chapter 1 Numbers Exercise 1A

EXERCISE 1 A

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Q1 | Ex-1A |Class 6 |S.Chand Composite | Numbers |myhelper

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QUESTION 1

Write the following numbers in words and expanded form

(i) 60802

Sol :

=Sixty thousand eight hundred and two

=60000+800+2

(ii) 70045

Sol :

Seventy thousand fourth five 

=70000+40+5

(iii) 32001

Sol :

Thirty two thousand and one

=30000+2000+1

 

(iv) 89316

Sol :

Eight nine thousand three hundred sixteen

=80000+9000+300+10+6

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Q2 | Ex-1A |Class 6 |S.Chand Composite | Numbers |myhelper

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QUESTION 2

Write the following numbers in standard form 

(i) Sixty thousand nine hundred forty

Sol :

60940

(ii) Fifty-eight thousand nine 

Sol :

58009

(iii) Ninety-nine thousand nine hundred ninety-nine

Sol :

99999

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Q3 | Ex-1A |Class 6 |S.Chand Composite | Numbers |myhelper

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QUESTION 3

Fill in the blanks with < or > sign

(i) 61742 ___ 58965

Sol :

>

 

(ii) 902108 ___ 90018

Sol :

>

 

(iii) 34517 ___ 34751

Sol :

< 

 

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Q4 | Ex-1A |Class 6 |S.Chand Composite | Numbers |myhelper

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QUESTION 4

Arrange the following numbers in ascending order

(i) 73419 , 74319 , 71439 , 79431

Sol :

71439 73419 , 74319 , 79431

 

(ii) 80605 , 80065 , 86500 , 80506

Sol :

80065 , 80506 , 80605 , 86500

 

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Q5 | Ex-1A |Class 6 |S.Chand Composite | Numbers |myhelper

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QUESTION 5

Arrange the following numbers in descending order .

(i) 56789 , 87569 , 75968 , 59876

Sol :

87569 , 75968 , 59876 , 56789

 

(ii) 51806 , 81506 , 80615 , 56810

Sol :

81506 , 80615 , 56810 , 51806 

 

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Q6 | Ex-1A |Class 6 |S.Chand Composite | Numbers |myhelper

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QUESTION 6

Write the successor of :

(i) 10999

Sol :

11000

 

(ii) 89989

Sol :

89990

 

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Q7 | Ex-1A |Class 6 |S.Chand Composite | Numbers |myhelper

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QUESTION 7

Write the predecessor of :

(i) 90000

Sol :

89999

 

(ii) 20010

Sol :

20009

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Q8 | Ex-1A |Class 6 |S.Chand Composite | Numbers |myhelper

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QUESTION 8

Using the given digits without repetition form the smallest and thegreatest 4-digit numbers .

(i) 6 , 9 , 2 , 4

Sol :

Smallest : 2469

Greatest : 9642

(ii) 7 , 0 , 3 , 8

Sol :

Smallest : 3078

Greatest : 8730

 

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Q9 | Ex-1A |Class 6 |S.Chand Composite | Numbers |myhelper

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QUESTION 9

Using the given digits write the smallest and the greatest 5-digitnumbers  . You can repeat any one digit twice .

(i) 4 , 3 , 2 , 6

Sol :

Smallest : 22346

Greatest : 66432

(ii) 8 , 0 , 9 , 5

Sol :

Smallest : 50089

Greatest : 99850

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Q10 | Ex-1A |Class 6 |S.Chand Composite | Numbers |myhelper

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QUESTION 10

Write the greatest and the smallest 5-digit numbers using any fivedifferent digits , with the condition given below.

(i) Digit 6 is always at the thousand place

Sol :

Smallest : 16023

Greatest : 96875

(ii) Digit 8 is always at the ones place

Sol :

Smallest : 10238

Greatest : 97658

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