Class 5 Mathematics Notes, Exercise 4, 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 4 

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1. Identify the rule of this pattern and also find the next three terms.

a)    10, 40, 160, 640, _______, _______, _________.

b)    22, 220, 2200, ________, ________, ________.

c)    352, 176, 88, ________, ________, ________.

d)    780, 880, 980, ________, ________, ________.

e)     560, 540, 520, 5900, ________, ________, ________.

Solution: 

a)    10, 40, 160, 640, _______, _______, _________. 

Next Three Terms: 2560, 10240, 40960.

Rule: Multiplication by 4

b)    22, 220, 2200, ________, ________, ________.

Next Three Terms: 22 000, 220 000, 2200000.

Rule: Multiplication by 10

c)    352, 176, 88, ________, ________, ________. 

Next Three Terms:  44, 22, 11.

Rule: Division by 2

d)    780, 880, 980, ________, ________, ________.  

Next Three Terms: 1080, 1180, 1280.

Rule: Adding 100

e)     560, 540, 520, 5900, ________, ________, ________.   

Next Three Terms: 480, 460, 440.

Rule: Subtracting 20

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2. Observe the given hundred chart. Find at least five pattern and identify the rules of these pattern.

Solution: 

a)    1, 2, 3, 4, 5, 6, 7. 

Rule: Adding 1 

b)    5, 15, 25, 35, 45, 55, 65, 75.

Rule: Adding 10

c)    9, 18, 27, 36, 45, 54, 63. 

Rule: Adding 9 0r First seven multiples of 9 

d)    10, 20, 30, 40, 50, 60, 70.  

Rule: Adding 10 0r First seven Multiples of 10 

e)     11, 33, 44, 55, 66, 77.   

Rule: Adding 11 0r First seven multiples of 11

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3. Observe the given tables and find the rules of numbers in the pattern.

Solution: 

a)    

Pattern: 4, 5, 6, 7, 8. 

Rule: Adding 1 

b)    

Pattern: 12, 22, 32, 42, 52.

Rule: Adding 10

c)   

Pattern: 11, 22, 33, 44, 55. 

Rule: Adding 11 0r First five Multiples of 11 

d)     

Pattern: 100, 200, 300, 400, 500, 600. 

Rule: Adding 100 0r First six Multiples of 100 

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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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