CLASS-VI CHAPTER-KNOWING OUR NUMBER Starting from the smallest 8-digit number, write the next five numbers in ascending order. None of these 10000000, 10000001, 10000002, 10000003, 10000004 10000001, 10000002, 10000003, 10000004, 10000005 10000004, 10000003, 10000002, 10000001, 10000000 Which is greatest? 6895, 23787, 24569, 24657 24567 23787 2 4657 68 95 Insert commas suitably and write the names according to International System of Numeration: 78921092 78,921,092 None of these 7 8,92,10,92 7,89,21,092 What is the sum of 567 and 843? 8 43 1 500 1 410 567 Identify the greatest and the smallest in 2853, 7691, 9999, 12002, 124. 12202, 124 None of these 1 2202, 7691 9999, 124 Match the following- Column I Column II a. Estimation p. International System b. Billion, Million q. Rough Calculation c. Crore r. 90,030 d. Nine Thousand Thirty s. Indian System Fill in the blanks: 1 million = _____ hundred thousand. 1 crore = _____ ten lakh.
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CLASS:8 TOPIC-MENSURATION 1. The volume of a cube is 64 cm 3. Its surface area is (a) 16 cm2 (b) 64 cm2 (c) 96 cm2 (d) 128 cm 2. If the radius of a cylinder is tripled but its curved surface area is unchanged, then its height wilbe (a) tripled (b) constant (c) one sixth (d) one third 3. How many small cubes with edge of 20 cm each can be just accommodated in a cubical box of 2 m edge? (a) 10 (b) 100 (c) 1000 (d) 10000 4. The volume of a cylinder whose radius r is equal to its height is (a) 1 4 πr3 (b) πr 3 32 (c) πr3 (d) 3 8 pr 5. The volume of a cube whose edge is 3x is (a) 27x3 (b) 9x3 (c) 6x3 (d) 3x3 6. The figure ABCD is a quadrilateral in which AB = CD and BC = AD. Its area is (a) 72 cm2 (b) 36 cm2 (c) 24 cm2 (d) 18 cm2 7. What is the area of the rhombus ABCD below if AC = 6 cm, and BE = 4cm? (a) 36 cm2 (b) 16 cm2 (c) 24 cm2 (d) 13 cm2
CLASS-9 chapter-circle HOTS 1. In the figure, OD is perpendicular to chord AB of a circle whose centre is O. If BC is a diameter; prove that CA = 2OD. 2. l is a line intersecting two concentric circles having common centre O, at A, B, C and D. Prove that AB = CD. 3. AB and CD are equal chords of a circle whose centre is O. When produced, these chords meet at E. Prove that EB = ED. 4. If O be the centre of the circle, find the value of �x� in each of the following figures. 5. Prove that equal chords of a circle subtend equal angles at the centre. 6. The line drawn through the centre of a circle to bisect a chord is perpendicular to the chord. Prove it. 7. Prove that equal chords of a circle (or congruent circles) are equidistant from the centre (or centres). 8. In the figure, OD is perpendicular to the chord AB of a circle with centre O. If BC is a diameter, show that AC || OD and AC = 20D. Hint: ∴
class:vi sample paper General Instruction: This question paper contains 31 questions.. All the questions are compulsory. Marks for each question are indicated against it. Section A Rewrite the following numbers in ascending order: 17,704 ; 4,21,357 ; 99,999 ; 30,456 Write the next term of the given pattern: 1, 8, 27, 64, 125 In a triangle ABC, side opposite to vertex A is ________. _____________ is a collection of numbers gathered to get some information. Draw a closed curve and represent the following points: Point A in the interior of the curve. Point B and C on the curve. Find the prime factorisation of 3960. The following table shows the cement production in some countries during a year. Represent it by a bar graph. Country Cement Production Japan USA Italy India 700 750 320 370 During prayer time in a school 25 students stand in each row. Find the minimum number of rows if there are 674 students in that school. The numerical expression for ‘ eight m
CLASS:VI CHAPTER-DATA HANDLING A dice is thrown 20 times and the number appearing is noted as follows 3, 5, 4, 6, 2, 2, 1, 1, 5, 3, 1, 1, 6, 4, 5, 2, 5, 3, 5, 1 Make a table presenting the above data using tally marks. Find the number that appeared the maximum no. of times the minimum no. of times The weights of new born babies *in kg in a hospital are as follows. 2.3, 2.2, 2.1, 2.7, 2.6, 3.0, 2.5, 2.9, 2.8, 3.1, 2.8, 2.5, 2.7, 2.9, 2.4 Determine the weights in ascending order Determine the highest weight Find the range. How many babies weigh below 2.5 kg? How many babies weigh more than 2.5 kg? A factory produces the foll no. of cycles for the first six months of a particular year. Draw a pictograph to show this. Month January February March April May June Bicycles 3000 3500 5000 7000 8000 10500 Say True or False: Diagrams and graphs help in analysis of data. The frequency 7 is represented as VII using tally marks. Bar graphs can be drawn only vertically.
The side of a square is 12 m. Its perimeter is 144 m 48 m 24 m 36 m The shape of your class room blackboard is circle equilateral triangle square rectangle Which figure encloses more area: a square of side 2 cm ; a rectangle of side 3 cm and 2 cm ;An equilateral triangle of side 4 cm? None of these square equilateral triangle rectangle The perimeter of the given figure is 70 cm None of these 60 cm 100 cm The area of square is 100 c m 2 c m 2 . Its side is 5 cm 10 cm 20 cm 10.5 cm Match the following:- Shapes Perimeter a. i. 15 b. ii. 8 c. iii. 24 d. iv. 12 Fill in the blanks:- _____ is a rectangle whose all sides are equal. The amount of surface enclosed by a figure is called its ____. For fencing the plot, we need to calculate its _____. _____ is the sum of all sides. State True or False:- For tiling a rectangular Plot, we must calculate its area. Length and breadth of a Rec