Class 5 Mathematics Notes, Exercise 1, Unit-1, Whole Numbers and Operations (New Book/New Syllabus Based on Single National Curriculum Pakistan 2022 and onwards)

Class 5 Mathematics Notes, Exercise 1, Unit-1, Whole Numbers and Operations (New Book/New Syllabus Based on Single National Curriculum Pakistan 2022 and onwards)

Class: 5

Unit-1: Whole Numbers and Operations

EXERCISE 1 

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1. Write the following numbers in words.

a)      290 014        b)      433 453       c)  1 010 009
d)    9 871 653       e)    1 242 140      f)   2 688 069
g)    1 874 454       h)    6 495 52


Solution

a)    290 014 
Two hundred and ninety thousand and fourteen.
       
b)    433 453
Four Hundred and thirty-three thousand, four hundred ad fifty-three


c)   1 010 009
One million, ten thousand and nine 


d)    9 871 653
Nine million, eight hundred and seventy-one thousand, six hundred and fifty-three.


e)    1 242 140
One million, two hundred and fifty-two thousand, one hundred and forty.


f)   2 688 069
Two million, six hundred and eighty-eight thousand, and sixty-one.


g)   1 874 454
One million, eight hundred and seventy-four thousand, four hundred and fifty-four


h)    6 495 52
Six million, four hundred and ninety-five thousand, five hundred and twenty-three.


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2. Write the following numbers in expanded form.

a)       131 441      b)    6 000 900     c)    4 949 181       d)    6 466 456      e)    7 286 019     f)    9 479 321      g)    8 510 602     h)    1 202 001


Solution: 


a)  131 441  
100 000 + 30 000 + 1 000 + 400 + 40 + 1


b)    6 000 900 
6 000 000 + 000000 + 00000 + 0000 + 900 + 00 + 0 


c)    4 949 18  
4 000 000 + 900 000 + 40 000 + 9 000 + 100 + 80 + 1


d)    6 466 456    
6 000 000 + 400 000 + 60 000 + 6 000 + 400 + 50 + 6


e)    7 286 019   
7 000 000 + 200 000 + 80 000 + 6 000 + 000 + 10 + 9


f)    9 479 321  
9000 000 + 400 000 + 70 000 + 9 000 + 300 + 20 + 1 


g)    8 510 602 
8 000 000 + 500 000 + 10 000 + 0000 + 600 + 00 + 2 


h)    202 001
1 000 000 + 200 000 + 00000 + 2 000 + 000 + 00 + 1



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3. Match Column A with Column B.            


Solutions: 



  


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4. Write the value and the place value of the coloured digits.

a) 4 545 445     b) 9 846 532    c) 6 782 456 
d) 9 080 714     e) 2 997 924     f) 178 425 419 
g) 7 817 656     h) 1 701 232         


Solution: 


a) 4 545 445
Value of the coloured digit = 500 000
Place value of the coloured digit = hundred thousand


b) 9 846 532
Value of the coloured digit = 30
Place value of the coloured digit = tens 


c) 6 782 456
Value of the coloured digit = 6 000 000
Place value of the coloured digit = million 

 
d) 9 080 714     
Value of the coloured digit = 80 000
Place value of the coloured digit = ten thousand 


e) 2 997 924    
Value of the coloured digit = 90 000 
Place value of the coloured digit = ten thousand 


f) 178 425 419 
Value of the coloured digit = 400
Place value of the coloured digit = hundred


g) 7 817 656     
Value of the coloured digit = 6
Place value of the coloured digit = ones 


h) 1 701 23 
Value of the coloured digit = 30
Place value of the coloured digit = Tens


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5. According to the 2017 census, the population of Islamabad is 1 014 825.
a) Write it in words. 
b) Write the place value of each digit.
c) Write it in expanded form.


Solution: 


a) One million, fourteen thousand, eight hundred and twenty-five. 

b) 1 million, 0 hundred thousand, 1 ten thousand, 4 thousand, 8 hundred, 2 tens, 5 one

c) 1 000 000 + 000 000 + 10 000 + 4 000 + 800 + 20 + 5


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6. The speed of light in a vacuum, is 299 792 kilometres per second.
a) Write it in words. 
b) Write the place value of each digit.
c) Write it in expanded form.


Solution: 

299 792

a) Two hundred and ninety-nine thousand, seven hundred and ninety-two. 

b) 2 hundred thousand, 9 ten thousand, 9 thousand, 7 hundred, 9 tens, 2 ones

c) 200 000 + 90 000 + 9 000 + 700 + 90 + 2




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Shortcut Links For:

1.  5th Class: English Notes

2.  5th Class: Social Study (S.St.) Notes

3.  5th Class: General Science (G.Sc.) Notes

4.  5th Class: Urdu (اُردو) Notes

5.  5th Class: Islamiyat (اسلامیات) Notes

6.  5th Class: Mathematics Notes


1. Website for School and College Level Physics   
2. Website for School and College Level Mathematics  
3. Website for Single National Curriculum Pakistan - All Subjects Notes 

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