SUMMAR VACATION WORK H.W OF CLASS 9 2021-22
Sub- Hindi
Assignment
Sub- Maths
Note- Project should be hand written by student.
Project should be done in project file.
Cover it and write Name, class and other things in proper manner.
Q1. Make a circle diagram of Number System in which all the numbers like
Natural Numbers, Whole Number, and Integers are in proper manner and to
better understand?
Q2. With the help of Pencil and Scale draw a number line and also give one
example to show one positive integer and one Negative integer?
Q3. Define Terminating, decimals and give one example to better understand?
Q4. With the help of Pencil and Scale represent√ , √ , √ on the number
line?
Q5. Write and Learn Laws of Exponents?
Q6. Find five rational numbers between and ?
Q7. Express in the form of
0.̅̅̅̅ + 1.̅̅̅̅
Q8. Visualize the representation of 3.765 or the number line using successive
magnification?
√ √
Q9. If P= and Q= , find the value of P2+ Q2
√ √
Q10. Prove that
( ) ( ) ( )
=1
( )
, Q11. Verify the division algorithm for the polynomials.
p(x)=2x4-6x3+2x2-x+2
g(x)=x+2
Q12. Using the remainder theorem find the remainder when p(x) in divided by
g(x) p(x)=3x4-6x2-8x-2 g(x)=x-2
Q13. Make a table and write all the formulas used in factorisation of polynomial
and learn it?
Q14. If P(x) =x3-3x2+2x find P (0) P (1) P (2)?
Q15. Verify that is a zero of the polynomial g(y) = 2y +1?
Q16. If P(x) = x3-5x2+4x-3 and g(x)=x-2, show that P(x) is not a multiple of g(x)?
Q17. Factorise- a2x2 + (ax2 + 1) x + a
Q18. Factorise- ( )
Q19. Factorise-x2 + 7√
Q20. Evaluate-
i. (999)2 ii. 101 102
Project
Q21. Prepare a working model/cord board for any one of the identities.
(a + b) 2 = a2 + 2ab + b2
(a - b)2= a2 - 2ab + b2
Sub-Chemistry
MATTER IN OUR SURROUNDINGS
1. What is a matter?
2. Sodium chloride and sugar have same appearance. Are they same or
different?
3. All substances around us are alike. How?
4. How can we say that air is a matter?
5. State the characteristics of matter?
6. What are the intensive properties of matter?
7. What are the extensive properties of matter?
8. State the characteristics of particles of matter.
9. What is the effect of temperature on a matter?
10. The small of hot sizzling food reaches us several metres away. Why?
1. Conversion of solid to vapour is called sublimation, Name the term used to
denote the conversion of vapour to solid.