Whole Numbers Worksheet

Multiple Choice Questions

1. The three consecutive predecessors of 60010 are
   (a) 6009, 6008, 6007
   (b) 60009, 60008, 60007
   (c) 60011, 60012, 60013
   (d) 6011, 6012, 6013
   
   
2. Which of the following is CORRECT?
   (a) All natural numbers except 1 are whole numbers.
   (b) 1 is the greatest natural number.
   (c) 0 is the least whole number.
   (d) Every whole number is a natural number.
   
   
3. While moving to the right on a whole number line, the value of a number
   (a) increases by 1
   (b) decreases by 1
   (c) increases by 10
   (d) decreases by 10
   
   
4. Which operation is shown on below number line?
   
   (a) Division
   (b) Multiplication
   (c) Subtraction
   (d) Addition
   
   
5. Identify the CORRECT equation for the below number line.
   
   (a) 0 × 8
   (b) 8 – 0
   (c) 2 × 4
   (d) 8 – 2
    
6. The product of any whole number except zero and its successor is always
   (a) zero
   (b) an even number
   (c) an odd number
   (d) one
   
   
7. The predecessor of a given number is less than the given number by
   (a) 1
   (b) 2
   (c) 3
   (d) 4
   
   
8. The sum of predecessor of 601 and successor of 299 is
   (a) 902
   (b) 899
   (c) 901
   (d) 900
   
   
9. If number P lies to the right of number Q on a number line, then
   (a) P > Q
   (b) P < Q
   (c) P ≥ Q
   (d) P ≤ Q
   
   
10. Which of the following is NOT a natural number?
    (a) 5 + 6
    (b) 100 – 1
    (c) 2 × 7 – 14
    (d) 10 – 9
    
    
11. How many whole numbers are there upto 70?
    (a) 69
    (b) 70
    (c) 71
    (d) 72
    
    
12. Which of the following number lies to the right of number 5050 on the number line?
    (a) 5005
    (b) 5500
    (c) 5040
    (d) 5010
    
    
13. By adding _________ to any chosen given number, the successor of that number can be found.
    (a) 3
    (b) 2
    (c) 1
    (d) 0
    
    Subjective Questions
    
    
14. Form the greatest number using following digits:
    
    Then, multiply the number formed with the least even natural number. 
    
    
15. Guess the number!
    
    
    
16. What can be the successor of successor of 11?
    
    
17. Help Kittu to get the answer!
    
    
    
18. Yash is holding a number stand as shown below. Find the difference between its successor and predecessor.
    
    
    
19. Find (6 – 2) using whole number line.
    
    
20. Find the product of the following:
    
    

Multiple Choice Questions

1. The three consecutive predecessors of 60010 are
   (a) 6009, 6008, 6007
   (b) 60009, 60008, 60007
   (c) 60011, 60012, 60013
   (d) 6011, 6012, 6013
   Correct option: (b)
   Solution:
   Predecessor of 60010 = 60010 – 1 = 60009
   Predecessor of 60009 = 60009 – 1 = 60008
   Predecessor of 60008 = 60008 – 1 = 60007
   
   
2. Which of the following is CORRECT?
   (a) All natural numbers except 1 are whole numbers.
   (b) 1 is the greatest natural number.
   (c) 0 is the least whole number.
   (d) Every whole number is a natural number.
   Correct option: (c) 0 is the least whole number.
   Solution:
   The whole numbers start from 0. Hence, 0 is the least whole number.
   
   
3. While moving to the right on a whole number line, the value of a number
   (a) increases by 1
   (b) decreases by 1
   (c) increases by 10
   (d) decreases by 10
   Correct option: (a) increases by 1
   Solution:
   While moving on a number line from left to right, the value of a number increases by 1.
   
   
4. Which operation is shown on below number line?
   
   (a) Division
   (b) Multiplication
   (c) Subtraction
   (d) Addition
   Correct option: (d)
   Solution:
   Arrow started from number 5 and moved 5 jumps to the right reaching at number 10.
   This can be stated as 5 + 5 = 10.
   
   
5. Identify the CORRECT equation for the below number line.
   
   (a) 0 × 8
   (b) 8 – 0
   (c) 2 × 4
   (d) 8 – 2
   Correct Option: (c) 2 × 4
   Solution:
   For 2 × 4, we start from 0 and move 2 units at a time to the right. Make such 4 moves.
   That is, 2 × 4 = 8
    
6. The product of any whole number except zero and its successor is always
   (a) zero
   (b) an even number
   (c) an odd number
   (d) one
   Correct option: (b) an even number
   Solution:
   The product of any whole number except zero and its successor is always an even number.
   For example, 1 × 2 = 2, 2 × 3 = 6, 3 × 4 = 12 and so on
   
   
7. The predecessor of a given number is less than the given number by
   (a) 1
   (b) 2
   (c) 3
   (d) 4
   Correct option: (a) 1
   Solution:
   By subtracting 1 from the given number, we get its predecessor.
   
   
8. The sum of predecessor of 601 and successor of 299 is
   (a) 902
   (b) 899
   (c) 901
   (d) 900
   Correct option: (d) 900
   Solution:
   Predecessor of 601 = 600
   Successor of 299 = 300
   Sum = 600 + 300 = 900
   
   
9. If number P lies to the right of number Q on a number line, then
   (a) P > Q
   (b) P < Q
   (c) P ≥ Q
   (d) P ≤ Q
   Correct Option: (a) P > Q
   Solution:
   On a number line, the value of a number increases from left to right.
   
   
10. Which of the following is NOT a natural number?
    (a) 5 + 6
    (b) 100 – 1
    (c) 2 × 7 – 14
    (d) 10 – 9
    Correct option: (c) 2 × 7 – 14
    Solution:
    2 × 7 – 14 = 14 – 14 = 0, which is not a natural number.
    
    
11. How many whole numbers are there upto 70?
    (a) 69
    (b) 70
    (c) 71
    (d) 72
    Correct option: (c) 71
    Solution:
    Whole numbers are 0, 1, 2, …….
    Then, number of whole numbers upto 70 are 71.
    
    
12. Which of the following number lies to the right of number 5050 on the number line?
    (a) 5005
    (b) 5500
    (c) 5040
    (d) 5010
    Correct option: (b)
    Solution:
    Number which is greater than 5050 lies to its right on the number line.
    Here, 5500 > 5050.
    ⇒ 5500 lies to the right of 5050 on the number line.
    
    
13. By adding _________ to any chosen given number, the successor of that number can be found.
    (a) 3
    (b) 2
    (c) 1
    (d) 0
    Correct option: (c)
    Solution:
    The successor of any number is obtained by adding 1 to that number.
    
    Subjective Questions
    
    
14. Form the greatest number using following digits:
    
    Then, multiply the number formed with the least even natural number. 
    Solution:
    Greatest number formed by using digits 8, 9, 0, 4, 2 = 98420
    Least even natural number = 2
    Then, 98420 × 2 = 1,96,840
    
    
15. Guess the number!
    
    Solution:
    First five whole numbers are 0, 1, 2, 3, 4.
    Number formed by arranging 0, 1, 2, 3, 4 in descending order is 43210.
    Successor of 43210 = 43211
    
    
16. What can be the successor of successor of 11?
    Solution:
    Successor of 11 = 11 + 1 = 12
    Successor of 12 = 12 + 1 = 13
    Hence, 13 is the successor of successor of 11.
    
    
17. Help Kittu to get the answer!
    
    Solution:
    Predecessor of 99 = 98
    Least natural number = 1
    So, we have
    98 + 1 = 99
    Successor of 98 = 99
    Then, 99 – 99 = 0
    
    
18. Yash is holding a number stand as shown below. Find the difference between its successor and predecessor.
    
    Solution:
    Greatest 5-digit number = 99,999
    Successor of 99,999 = 1,00,000
    Predecessor of 99,999 = 99,998
    Difference = 1,00,000 – 99,998 = 2
    
    
19. Find (6 – 2) using whole number line.
    Solution:
    Start from 6 and move toward left with 1 jump. Make 2 such jumps as 2 is to be subtracted from 6.
    So, we get 6 – 2 = 4
    
    
    
20. Find the product of the following:
    
    
    Solution:
    Predecessor of 100 = 99
    Successor of whole number 0 = 1
    Product = 99 × 1 = 99