S.chand class 6 Mathematics Chapter 2 Exercise 2A

 

EXERCISE 2 A

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QUESTION 1

Fill in the blanks.

(i) The successor of the smallest whole number is ___

(ii) The predecessor of the smallest natural number is ___

(iii) Every whole number is not a ___ number.

(iv) Every whole number on the number line is ___ than every whole number on its left.

(v) The difference of two consecutive whole numbers is ___

 

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QUESTION 2

Write three consecutive successors of 10999 ?

Sol :

 

 

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QUESTION 3

Write three whole numbers just occurring before 20001 ?

Sol :

 

 

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QUESTION 4

In the following pairs of numbers, state which whole number is on the right of the other on the number line. Also, write them with the appropriate sign (< , >) between them.

(i) 703 , 730

Sol :

 

(ii) 1753 , 1573

Sol :

 

(iii) 48932 , 8945

Sol :

 

(iv) 1002345 , 1000567

Sol :

 

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QUESTION 5

Answer True (T) or False (F).

(i) The natural number 1 has no predecessor in natural numbers.

(ii) The whole number 23 lies between 21 and 22.

(iii) The predecessor of 1100000 is 1099999.

(iv) Zero is the smallest natural number.

(v) The successor of a 2-digit number is always a 3-digit number.

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