HOLIDAY HOMEWORK IN MATHS FOR STD VIII

	HOLIDAY HOMEWORK   IN MATHS FOR STD VIII
Q-1	Using appropriate properties find  (i)  -2/3  x  3/5 + 5/2 - 3/5 x 1/6  (ii) 2/5 x (-3/7)- 1/6 x 3/2 +1/14x 2/5
Q-2	Write the additive inverse of the following: (i)2/8 (ii) -5/8  (iii) -6/-5 (iv) 2/-9 (v)19/-6
Q-3	Verify that -(-x) = x for x = 11/15  and  x = 13/17
Q-4	Find the multiplicative inverse of the following : -13, -13/19, 1/5, -5/8 x-3/7 , -1x-2/5, , -1
Q -5	Name the property under multiplication used  in each of the following:
	(i) -4/5 x1 = 1x -4/5 = -4/5  (ii) -13/17x -2/7 = -2/7 x -13/17   (iii) -19/29 x 29/-19 = 1
Q-6	Multiply 6/13 by the reciprocal of  -7/16
Q-7	What property allow you to compute: 1/3 x (6 x4/3) as  ( 1/3 x 6) x 4/3
Q -8	Is 8/9 the multiplicative inverse  of -1 1/8 ? Why?
Q-9	Is 0.3 the multiplicative of  3 1/3? Why?
Q 10	Write : (i) The rational number that doesnot have a reciprocal.
	(ii) The rational numbers that are equal to their reciprocals  (iii) The rational number that is equal to its negative
Q -11	Fill in the blanks: (i) Zero has ---- reciprocal.  (ii) The numbers ---- and ----- are their own reciprocals.
	(iii) The reciprocal of -5 is ---- (iv) Reciprocal of 1/x where x≠ 0 is ----
	(iv)The product of two rational numbers is always a --------
	(v) The reciprocal of  a  positive rational number is ------
Q-12	Represent  -2/11, -5/11, -9/11 on a number line
Q- 13	Write five rational numbers which are smaller than 2
Q-14	Find ten rational numbers between -2/5 and 1/2
Q -15	Find five rational numbers between: 2/3 and 4/5; -3/2 and 5/3; 1/4 and 1/2
Q -16	Find five rational numbers greater than -2