Question

5. Is the product of a whole number and 1, a whole number? Yes
6. Verify the closure property of addition of whole numbers for :
(i) 7 + 8
(ii) 3+ 14
(iii) 19 + 0
(iv) 0 + 0
7. Verify the associative property of addition for the following numbers :
(i) 3,5,7
(ii) 2, 4, 6
8. If a =256 and b = 175, show that a - b #b-a.
9. If a = 12, b = 8 and c = 5, show that a - (b - c)(a - b)-c.
10. Verify that b + c = a if a - b = c, for :
(i) a = 5, b = 3 (ii) a = 23, b = 9
11. Verify the commutative property for the multiplication of the following
whole numbers :
(i) 30,14
(ii) 7, 35
(iii) 0,54
12. Verify the associative property for the multiplication of the following
whole numbers :
(i) 3,5,7
(ii) 4, 5,0
(iii) 13, 11, 12
13. If a = 4, b = 3 and c = 6, find the following:
(i) a (b + c) (ii) ab + ac
14. If a = 8, b = 5 and c = 2, find the following:
(i) a x (6 -c) (ii) ab-ac
15. If a = 3, b = 5 and c = 10, verify:
(i) a x (b + c) = ab + ac
(ii) a (6 -c) = ab - ac
16. If a = 84 and b = 4, verify whether a = b #b=a.
24 h = 4 and c = 2, verify whether (a - b) = c = a = (b + c).​

Answer 1

Answer:

5. Is the product of a whole number and 1, a whole number? Yes

6. Verify the closure property of addition of whole numbers for :

(i) 7 + 8

(ii) 3+ 14

(iii) 19 + 0

(iv) 0 + 0

7. Verify the associative property of addition for the following numbers :

(i) 3,5,7

(ii) 2, 4, 6

8. If a =256 and b = 175, show that a - b #b-a.

9. If a = 12, b = 8 and c = 5, show that a - (b - c)(a - b)-c.

10. Verify that b + c = a if a - b = c, for :

(i) a = 5, b = 3 (ii) a = 23, b = 9

11. Verify the commutative property for the multiplication of the following

whole numbers :

(i) 30,14

(ii) 7, 35

(iii) 0,54

12. Verify the associative property for the multiplication of the following

whole numbers :

(i) 3,5,7

(ii) 4, 5,0

(iii) 13, 11, 12

13. If a = 4, b = 3 and c = 6, find the following:

(i) a (b + c) (ii) ab + ac

14. If a = 8, b = 5 and c = 2, find the following:

(i) a x (6 -c) (ii) ab-ac

15. If a = 3, b = 5 and c = 10, verify:

(i) a x (b + c) = ab + ac

(ii) a (6 -c) = ab - ac

16. If a = 84 and b = 4, verify whether a = b #b=a.

24 h = 4 and c = 2, verify whether (a - b) = c = a = (b + c).