RBSE Solutions for Class 6 Maths Chapter 3 Whole Numbers Additional Questions

RBSE Solutions for Class 6 Maths Chapter 3 Whole Numbers Additional Questions is part of RBSE Solutions for Class 6 Maths. Here we have given Rajasthan Board RBSE Class 6 Maths Chapter 3 Whole Numbers Additional Questions.

Board	RBSE
Textbook	SIERT, Rajasthan
Class	Class 6
Subject	Maths
Chapter	Chapter 3
Chapter Name	Whole Numbers
Exercise	Additional Questions
Number of Questions	16
Category	RBSE Solutions

Rajasthan Board RBSE Class 6 Maths Chapter 3 Whole Numbers Additional Questions

Multiple Choice Questions

Question 1.
Predecessor of 500 is
(i) 400
(ii) 499
(iii) 501
(iv) 600

Question 2.
Successor of 812 is
(i) 811
(ii) 800
(iii) 813
(iv)900

Question 3.
Smallest whole (RBSESolutions.com) number is
(i) 0
(ii) 1
(iii) 2
(iv) 3

Question 4.
Number on the left of 9, number line will be
(i) 10
(ii) 9
(iii) 7
(iv) 8

Question 5.
Dividing 25 by 0, number obtained will be
(i) 0
(ii) 25
(iii) 100
(iv) Not defined

Question 6.
Successor and (RBSESolutions.com) predecessor of 67 will be
(i) 68,66
(ii) 66, 69
(iii) 65, 66
(iv) 65, 69

Question 7.
On the number what number line on the right of 13 number will be
(i) 12
(ii) 13
(iii) 14
(iv) 15

Question 8.
Smallest (RBSESolutions.com) natural number is
(i) 0
(ii) 1
(iii) 2
(iv) 3

Answers.
1. (ii)
2. (iii)
3. (i)
4. (iv)
5. (iv)
6. (i)
7. (iii)
8. (ii)

Fill in the blanks

(i) Zero (0) is a ………………. number
(ii) ………………. Number has no predeccessor
(iii) Natural (RBSESolutions.com) numbers are ……………….
(iv) (40 + 10) + 50 = ………………. + (10 + 50)
(v) 18 × ………………. = 90 × 18

Answers.
(i) whole
(ii) 0
(iii) infinite
(iv) 40
(v) 90

Very Short Answer Type Questions

Question 1.
By multiplying and 1 to any number result obtained is
Solution.
When 0 is multiplied to any (RBSESolutions.com) number we get 0 and when 1 is multiplied to any number we get no itself.

Question 2.
Show 4 + 4, 4 – 4 and 4 × 4 on number line.
Solution.
Represent 4 + 4 on number line

Question 3.
Is division and subtraction of whole (RBSESolutions.com) numbers follows commutativity and Associativity
Solution.
No.

Question 4.
Which operations of whole numbers follows commutativity and associativity ?
Solution.
Addition and multiplication of whole numbers follows commutativity and associativity.

Short/Long Answer Type Questions

Question 1.
Find addition (RBSESolutions.com) and multiplication by arranging in suitable order.
(i) 72 + 44 + 94
(ii) 51 × 63 × 47
Solution.
Solving under associativity
(i) 72 + 44 + 94= (70 + 2) + (40 + 4) + (90 + 4)
= (70 + 40 + 90) + (2 + 4 + 4) = 200 + 10 = 210
(ii) 51 × 63 × 47 = 51 × (60 + 3) × 47
= (51 × 60 + 51 × 3) × 47 = (3060 + 153) × 47
= 3213 × 47 = 3213 × (40 + 7)
= 3213 × 40 + 3213 × 7
= 128520 + 22491 = 151011

Question 2.
By arranging in suitable order, find (RBSESolutions.com) sum and product.
(i) 43 + 67
(ii) 81 × 93
Solution.
(i) 43 + 67 = (40 + 3) + (60 + 7)
= (40 + 60) + (3 + 7) = 100 + 10 = 110
(ii) 81 × 93 = 81 × (100 – 7)
= 81 × 100 – 81 × 7 = 8100 – 567 = 7533

Question 3.
Solve the following
(i) 62 × 48
(ii) 40 × 72
Solution.
Solving by distribution (RBSESolutions.com) method of multiplication on addition
(i) 62 × 48 = 62 × (40 + 8)
= 62 × 40 + 62 × 8 = 2480 + 496 = 2976
(ii) 40 × 72 = 40 × (70 + 2)
= 40 × 70 + 40 × 2 = 2800 + 80 = 2880

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