NEW ERA PUBLIC SCHOOL Holiday Homework ( ) Class: IX Subject: English

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1 NEW ERA PUBLIC SCHOOL Holiday Homework ( ) Class: IX Subject: English Q1. Read the book Wings of Fire by A.P.J.Abdul Kalam and write a book review for the same. Make sure you include your personal response to the review. Also make a creative book jacket and put the review in it. Do not replicate the original cover of the book. Q2. Collect any five news items on the given issues. Paste them in a scrapbook and comment on any two in words. The given roll numbers will work on the following topics Environmental Issues (roll no. 1-15) Technological Developments (roll no. 16-0) Women Centric Issues (roll no. 0 & above)

2 NEW ERA PUBLIC SCHOOL Holiday Home Work ( ) Class IX Mathematics PROJECTS 1) MATHEMATICAL SYMBOLS (Roll No. 1-15) Make an illustrative project file for the following: (i) Search 10 new mathematical symbols from the internet, books, magazines etc. (ii) Collect information about their origin, meaning and their use in different areas of mathematics. 2) IPL 2017 (Roll No. 16 0) Make an illustrative project file for the following: (i) Collect information about the bidding value of all 11 players of any teams of IPL (ii) Find mean and modal bidding value for each team. (iii) Find the median for the bidding values of each team. (iv) Draw a pie chart to represent number of players from different countries in these IPL franchises. (v) Draw histogram and frequency polygon to represent the runs scored by the winning team in the final match in different overs. Represent overs on the X axis (taking class intervals as 0 2, 2 4,...) and run scored on Y axis. ) SURFACE AREAS AND VOLUMES (Roll No. 1 onwards) Prepare an illustrative power point presentation on the following points: (i) Surface area and volume of cubes and cuboids. (ii) Surface area and volume of a right circular cylinder. (iii) Surface area and volume of a right circular cone. (iv) Surface area and volume of a sphere. (v) Two questions based on each of the above topic. 1

3 ASSIGNMENT (To be done in the assignment register) Topic: Number System Q1.Find three rational numbers between: 1 (i) and 5 (ii) and (iii) 5 and 1 Q2. Find three irrational numbers between 11 (i) -11 and -12 (ii) 4 and 1 5 (iii) 2 and Q. Express the following in the form of p where p, q are integers, q 0 q (i) (ii) 4.8 (iii) 1.14 Q4.Simplify the following: (i) (5+ 7 )(2 + 5 ) (iii) ( ) (5 2 - ) (ii) ( ) ( 11-7 ) (iv) ( ) ( 2-6 ) Q5. Rationalize the denominator of the following: 25 (i) (ii) (iii) (iv) Q6. Simplify the following: 2 1 (i) ( 64 ) + ( 625 ) (ii) (iii) ( xa b)a+b x x. ( b b+c x c). ( xc a)c+a x (iv) Q7.Simplify: (i) (ii) (iii)

4 Q8. Find the value p if (i) 2 5p 2 p = (ii) (27) p = 9 p Q9. (a) If (b) If x = = a + b 7, find the value of a and b. and y = (c) If x = + 8, find x , find x2 y 2 Q10. Represent the following numbers on a number line. (i) 18 (ii) 5.6 (iii) 1 (iv) 6.7 (v) 29 x 2 Topic: Heron s Formula Q1. Find the area of a triangle, two of whose sides are 18 cm and 10 cm and the perimeter is 42 cm. Q2. The sides of a triangle are in the ratio :5:7 and its perimeter is 00 m. Find its area. Q. The perimeter of a rhombus is 100 m and if one of its diagonal measures 40 m, find its area. Q4. Find the area of a quadrilateral ABCD in which AB = 24cm, BAD = 90 ο and BCD forms an equilateral triangle each of whose side measures 26cm. ( = 1.7) Q5. A triangle and a parallelogram are on the same base and have the same area. If the sides of the triangle are 15 cm, 14 cm and 1 cm and the parallelogram stands on the base 15 cm, find the height of the parallelogram. Q6. Two parallel sides of a trapezium measure 60 cm and 77 cm and other sides are 25cm and 26 cm long. Find the area of the trapezium. Q7. Find the area of an isosceles triangle XYZ in which XY= ZX = 4 cm and YZ = 10cm. Q8. A triangular park ABC has sides 120m, 80m and 50m.A gardener has to put a fence all around it and also plant grass inside. How much area does he need to plant? Find the cost of fencing it with wire at the rate of rupees 15 per metre, leaving a space m wide for a gate on one side. Q9. Prove that area of the quadrilateral PQRS is (4 + ) m 2 if PQ = 5m, QR = 5m, RS = 6m, SR= 6 m and diagonal PR = 6 m. Q10. Mahajan has a vegetable garden in the shape of a rhombus. The length of each side of the garden is 5m and its diagonal is 42m long. After growing the vegetables in it, he wants to divide it in six equal parts. Find the area of each part. Q11. A field is in the shape of a trapezium whose parallel sides are 50 m and 15 m. If its non- parallel sides are 20 m and 25 m, prove that the area of trapezium is m 2. Q12. Raghu has a triangular field with sides 240 m, 200 m, 60 m where he grew wheat. In another triangular field with sides 240 m, 20 m, 400 m adjacent to the previous field, he wants to grow potatoes and onions. He divided the second field in two parts by joining 7

5 the mid-point of the longest side to the opposite vertex and grew potatoes in one part and onions in the other part. How much area (in hectares) has been used for wheat, potatoes and onions? Topic : Lines and Angles Q1. An angle is equal to five times its complement. Determine the angle. Q2. The supplement of an angle is one third of itself. Determine the angle and its supplement. Q. If a ray OC stands on line AB such that AOC = COB, show that AOC = 90. Q4. If XYZ = 64 and XY is produced to a point P. Draw the figure from the given information. If ray YQ bisects ZYP, find XYQ and reflex QYP. Q5. AOC and BOC, form a linear pair. If AOC = a, BOC = b and a - 2b = 0, find the values of a and b. Q6. Find the value of y where AOB forms a straight and OC is a ray such that AOC = (4y) and BOC = (6y +0). Q7. Prove that the bisectors of a pair of vertically opposite angles are in the same straight line. Q8. AB, CD and EF are three concurrent lines passing through the point O such that OF bisects BOD. If BOF = 5, find BOC and AOD. Q9. If the bisectors of a pair of alternate interior angles formed by a transversal with two given lines are parallel, prove that the lines forming the angles are parallel. Q10. If two straight lines are perpendicular to the same line, prove that they are parallel to each other. Q11. Two unequal angles of a parallelogram are in the ratio 2:. Find all its angles. Q12. If t, m, n are three lines such that t m and n t, prove that n m. 4

6 General instructions NEW ERA PUBLIC SCHOOL Holiday Homework ( ) Class: IX Subject: Science students will prepare a model and a chart on the allotted topics. Subject teacher will make 5 groups of 4 students each for model making. 2. The model to be prepared should have a strong base.. The chart related to the model should be made on white pastel sheet students will prepare a subjective project report on the allotted topic. The project report should be made neatly on A size ruled coloured drawing sheets. 5. Project report to be prepared by the students should be subjective (inclusive of pictures). The format of the project report is as follows:- Area of research ( endangered animal species) IUCN red list Habitat and adaptation Reasons for being endangered Steps of recovery including scientific methods 6. The project report will be prepared individually by the students students will prepare a magazine which is to be made on A4 size coloured sheets with pictures and detailed information about the topic. 8. The magazine will be prepared individually by the students. S.No Class IX (Model, project report & magazine topics) 1 Wildlife sanctuaries and their security (Model) 2 Endangered animal species (Project Report) Methods to purify water/ Water conservation in daily life (Model) 4 Sustainable cities (Model) 5 Unwanted climate change and its control (Magazine) 6 Any model on robotics (Model) Parameters List of animals found, different zones, rules and regulations, security alarm in case of invasion by predators, use of lasers and drones or any other feature. Habitat and climate in which endangered species are found, reasons of being endangered, steps of recovery including scientific methods or any other feature. Boiling, filtration, distillation, chlorination, Multi- stage RO filtration or any other method. Cities with zero waste, use of 5 R s principle, use of wind and solar energy, movement on foot or bicycle, use of manure and compost or any other feature. Reasons for climate change, rise in global temperatures, harmful effects, El nino effect, ways to reduce the impact of climate change or any other information. Principle, working, application, utility

7 NEW ERA PUBLIC SCHOOL Holiday Homework ( ) Class: IX Subject: Social Science Prepare a project file with following details: 1. The total length of the project report should not be more than 15 written pages of foolscap size (A-4 size) sheet. 2. The project report should be handwritten and credit will be awarded to original drawings, illustrations and creative use of eco-friendly material.. The project report should be presented in a neatly bound simple folder. 4. The project report should be developed and presented in this order a) Cover page showing project title, student information, school and year. b) List of contents with page numbers. c) Certificate page d) Acknowledgements (acknowledging the institution, offices and libraries visited and persons who have helped). e) Chapters with relevant headings. f) Summary and conclusions based on findings. g) Bibliography: should have the Title, author, publisher and if a website the name of the website with the specific website link which has been used. MARKS DISTRIBUTION Total Marks will be allocated over the different aspects of the Project Work in the following manner:- S.NO. ASPECTS (Marks) 1 Content accuracy and originality 1 2 Presentation and creativity 1 Process of Project Completion : Initiative, cooperativeness, participation and punctuality 1 4 Viva or written test for content assimilation 2

8 Total Marks for one project 5 Suggested Projects [Do any one project] Class IX 1. Identify the different hazards that your area is prone to and list them into three broad headings,;viz; natural, socio-natural and human induced. Enumerate some ways through which the impact of these can be reduced. 2. Preparedness for a disaster Are you prepared?identify your role as a student, as a family member and as a member of RWA in pre, during and post disaster situation. Mitigation strategy for natural disasters like floods, earthquakes, landslides and cyclones. 4. Mitigation strategy for human induced disasters like nuclear accidents, chemical and industrial accidents and biological disasters. 5. Community gets the first hand experience of sufferings at the time of a disaster and becomes a saviour of lives at the same time. Discuss the community s disaster preparedness and response plan with suitable case studies

Software: HTML & CSS NEW ERA PUBLIC SCHOOL Holiday Homework (2017-18) Class: IX Subject: Computer On A sheet or half a chart paper show Difference in Static and Dynamic Web Page.

9 Software: HTML & CSS NEW ERA PUBLIC SCHOOL Holiday Homework ( ) Class: IX Subject: Computer On A sheet or half a chart paper show Difference in Static and Dynamic Web Page. [SECTION A,D,G] Different mobile apps related to health or entertainment. [SECTION B,E,H] Different type of Search Engines with their purpose.(refer to page 4 of your book ) [SECTION C,F,I] Computerized printouts are preferred.

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Downloaded from 1 IX Mathematics Chapter 8: Quadrilaterals Chapter Notes Top Definitions 1. A quadrilateral is a closed figure obtained by joining four points (with no three points collinear) in an order. 2. A diagonal