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)    4 949 181   

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)    1 202 001

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) 1 701 232  

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

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