Download Maths_6_7_8

HOLIDAY HOMEWORK ( CLASS VI)
MATHS
Q.1-Insert commas in Indian system of numeration&International system of numeration
23703927
72053829
Q.2-Insert commas &write the numerals
Q.3-Seventy million four hundred seventeen thousand two hundred six
Q.4-Arrange in ascending and descending order
475320
9847215
9764310
30458094
2003401
Exercise1.2 Q no. 2 4 6 8 10
Exercise1.3 Q no. 2 3
Q.5-Write the predecessor of :
Q.6-Write thesuccessor of :
Q.7-Add on the number line:
201 11 1000
278 0 20 2999
10+2
3+27
Q.8-Subtract on the number line:
7–5
13-10
Q.9-Multiply on the number line :
3*4
6*3
Q.10-Add in two ways :
12+20+113
6-4
60+79+41
Q.11-Find: 14x (3+7) using distributive property.
Q12-Add using associative property:
101+305+204
Q.13-Write the no. in Roman numerals:
111
74
Q.14-Write the no. in expanded form:
234079
Q.15-Write first six multiples of 6 8 12 13 14 15 &16
Q.16-Write ten prime numbers.
Q.17-Write five no. that have exactly four factors.
HOLIDAY HOMEWORK ( CLASS VIII)
MATHS
Q.1-Write additive inverse of:
-3/5
Q.2-Write the multiplicative inverse of:
Q.3-Verify that –(-x) = x for
x = - 6/7
-7/-11 2/7
2/13
-13/17 -6/-11
x = 2/3
Q.4-Name the property which is used in
( 2/3 )x(6/7) = (6/7) x (2/13)
(-3/5) x 1 = 1 x (-3/5) =-3/5
Q.5-Write the rational no between
2/5 & 3/6
-6/7 & 1
Q.6-Represent on the no line
2/3
7/4
-12/13
Q.7-Solve:
3x -2 = 13
3 – (4/5)x =- 6
5x+7/2 = 3x/2 – 14
x = 5/6(x+10 )
3x -7 =6 - 2x/3
(3x-2)/5 +3 = x- 2/3
n/2 – 3n/4 +5n/6 = 21
Q.8-The age of Hari and Harry are in the ratio 5:7. Four years from now the ratio of their ages will be 3:4
Find their age.
Q.9-The ages of Rohan and Gaurav are in the ratio 5:7. Ten years from now their ages will be 7:9.Find
their ages.
Q.10-Three consecutive integers are such that when they are taken in increasing order& multiplied by 2
3 &4 respectively , they add up to 74.Find the numbers.
Q.11-Draw the following figure on the chart paper also divide the figure into triangle find the sum of
angles &no of diagonals.
HOLIDAY HOMEWORK ( CLASS VII)
MATHS
Write down a pair of integers whose
sum is -7
difference is -10
sum is 0
Write a pair of negative integers whose difference gives 8.
Write a Write a positive integer and a negative integer whose sum is -5.
positive integer and a negative integer whose difference is -3.
In a quiz team A scored -40 10 0 & 10 team B scored 10 0 -40 in three successive round,which team
scored more?Can we say that we can add integers in any order.
Fill in the blanks:
(-5) +(-8) = (-8) + ……..
( -53) + ……. = -53
(13+ (-12) )+ (……) = 13 + (-12 +(-7) )
(-4) + ( 15 + (-3) ) =( -4 +15) +……..
Evaluate each of the following:
-30/10
13/(-2 +1 )
( -36/12 )/3
Find a part
2 x (3/5) =
1 x (2/3)
Exercise 1.1
Q.1
Q.2
Q.3
Q.4
Exercise1.3
Q.1
Q.2
Q.3
Q.4
Q.5
Exercise 2.1
Q.1
Q.2
Q.3
17 +……. = 0
(-6+5)/(-2+1)
HOLIDAY HOMEWORK ( CLASS X)
MATHS
Q.1- Prove that following are irrational no.
Q.2- Find the HCF &LCM by factorization method:
(26 , 91)
(336 , 54)
Q.3-Find the HCF by E.D.A.
(304 , 63)
(44 , 203)
Q.4- Given that HCF (306 , 657) = 9 , find LCM of (306 , 657).
Q.5- Show that any +ve odd integer is of the form 4q+1 or 4q+3 ,where q is a positive integer.
Q.6- Check whereas
can end with the digit zero for any positive integer.
Q.7- Write the quadratic polynomial when its zeros are : 2,-3 and
Q.8-Write the quadratic polynomials with given numbers as the sum and product of its zeroes
respectively:
(- 3
, ¼)
(-3 , -5/11 )
Q.9-Find the zero3es of the polynomials &verify the relationship between the zeroes &the coefficients.
Q.10- Verify the numbers given alongside of the cubic polynomials below are their zeroes also verify the
relationship between zeroes &the coefficients in each case:
½ ,1 -2
2 ,1 , 1
Q.11- Find the cubic polynomial with the sum sum of the product of its zeroes taken two at a time and
product of its all zeroes are 2 -7 -14 respectively.
Q.12- If two zeroes of the polynomial
Q.13- Find the zeroes of the quadratic polynomial
relationship between zeroes &the coefficients.
Q.14-If
=3, find the other trigonometric ratios.
are 2
find other zeroes.
and verify the relationship the
Q.15- Show that
Q.16-If
=1/
find
where
are both acute
angle.
Q.17-If 7
4 show that
= 1/
Q.18- If cot = 15/8 evaluate:
Q.19-Prove that (cosec
Q.20-If sec +tan
Q.21-Prove that
Q.22-Evaluate :(
sec
=sec
prove that sin
=
=sec
)/tan10tan20tan60tantan70tan80