alok vidyashram summer vacation holiday homework 2012

SUBJECTS
ENGLISH
COMMUNICATION
ALOK VIDYASHRAM
SUMMER VACATION HOLIDAY HOMEWORK 2012
CLASS: VII
HOMEWORK
Revise word wise all the chapters taught. Read the essays and letters from the
grammar book. Read any one novel of your choice and write the summary.
Project work: Compile the following from the grammar book in your scrap
book. Two Comprehension passages. Two Essays, Two Letters, Five pages
handwriting.
MATHEMATICS Sanskriti Ex. 5.1 A) 10, 11 B) 6,7 C) 2,3
Ex. 5.2 A) 7,9 B) 7,8 C) 11, 13
Ex. 5.3) A) 8,10 B) 9, 10 C) 10,11 E) 5, 6
Ex. 7.1 A) 2,6
Ex7.2 B) 3,6
Ex9.1 A) 11, 12 B) 16,
Ex 9.2 A) 8,9
Ex 9.4 8,9
Ex 9.5 A) 1, 3, 5, 7
Ex 10.1 A) 2,4
Ex11.1 A) 9,10 B) 9, 10
Ex11.2 A) 3,4
Ex 11.3 A) 7,8 B) 11,12 C) 17, 18 Geometry: Definitions 20.2, 20.3
Ex20.1 A) 1,3
Ex 21.1 A) 1,3,7,11,13
Sanskar: Ex; 10.1 (A) 1, 4, 6, 7, 8, 10) Ex: 11.1 A) 3,5, 8
B) 1, 4, 6, 7, 9, 10)
Ex: 11.2 A) 7, 11, 17, 6, 8, 10, 14, 18, 22
Ex; 11.3 A) (25x 4 +15x 3 -20x 2 ) by 5x
B) i) 9x 3 -12x 2 y+ 16y 3 ) by (3x-4y) ii) (14x 4 -21x 3 y- 32x 2 y2+6xy 3 +8y 4 ) by (7x-
2y 2 )
C) (6a 3 +23a 2 +18a-5) by (3a+4a-1) (6x 4 +8x 3 -7x 2 +26x-15) by (3x 2 -2x=5)
Ex.12.1 Find the Square 6x-1/6x, 8x+1/8x Expand the following 2x+1/2x,
8x-1/4x, 3x 2 + 1/3x 2
Solve the following problems:
i)
if a+b= 3 and ab=2 find the value of a 2 +b 2
ii)
ii) if x+1/x= 5, find the value of x 2 +1/x 2
iii) if x-1/x =10, find the value of x 2 +1/x 2
Find the product of the following
i) 5a+1/2, 5a-1/2, ii) 9a+2/3, 9a-2/3 iii) 5x-y+z, 5x-y-2z
Simplify the following i) 1.6x1.6-1.2x1.2 ii) 533x533-279x279
1.6+1.2 533+279
iii) 0.0078x0.0078-0.0043x0.0043
0.0078+0.0043
SCIENCE 1) Paste or draw the pictures of 4 insectivore plant, 2 saprotrophs and 4
parasitic plants and write about them in scrapbook. 2)Prepare an
experiment for science exhibition.