Answer the following
1. Simplify:
a)
b)
c)
d)
e)
f)
g)
2. Find the value of x
a)
b)
3.
4. Write in the standard form.
a) 39,00,00,000 b) 0.000005678 c)73,500,000,000,000,000,000,000
Downloaded from https://qusaistuition.blogspot.com
Reviews
1 / 7
2 / 7
3 / 7
4 / 7
5 / 7
6 / 7
7 / 7
CBSE 8th Mathematics Worksheet - Exponents and Powers
1. Simplify:
a)
d)
e)
f)
g)
2. Find the value of x
a)
b)
3.
4. Write in the standard form.
a) 39,00,00,000 b) 0.000005678 c)73,500,000,000,000,000,000,000
CBSE 8th Mathematics Worksheet - Data Handling & Probability
Answer the following
1. Tally marks are used to find
(a) Class intervals (b) Range (c) Frequency (d) Upper limit
2. The weekly wages (in Rs.) of 30 workers in a factory are
830, 835, 890, 810, 835, 836, 869, 845, 898, 890, 820, 860, 832, 833, 855, 845, 804, 808, 812, 840, 885, 835, 835, 836, 878, 840, 868, 890, 806, 840.
Using tally marks, make a frequency distribution table with class intervals 800 – 810, 810 – 820 and so on
3. The pie chart gives the marks scored in an examination by a student in different subjects. If the total marks obtained were 540, answer the following questions–
(i) In which subject did the student score 105 marks?
(ii) How many more marks were obtained by the student in Mathematics than in Hindi?
4. Draw a pie chart for the given data.
5. The top speeds of thirty different land animals have been organized into a frequency table. Draw a histogram for the given data.
6. A coin is tossed 200 times and head appeared 120 times. The probability of getting a head in this experiment is ____________
7. A glass jar contains 6 red, 5 green, 4 blue and 5 yellow marbles of same size. Hansik takes out a marble from the jar at random. What is the probability that the chosen marble is of red colour?
8. A dice is rolled once. What is the probability that the number on top will be
(a) Odd
(b) Greater than 5
(c) A multiple of 3
(d) Less than 1
(e) A factor of 36
(f) A factor of 6
9. Reem draws a ball from a bag that contains white and yellow balls. The probability of choosing a white ball is 2/9. If the total number of balls in the bag is 36, find the number of yellow balls.
Downloaded from https;//qusaistuition.blogspot.com
CBSE 8th Mathematics Worksheet - Cube-Cube root
Answer the following
1. The cube of 0.3 is ___________
2. The cube root of 729 is __________
3. Check whether 1728 is a perfect cube by using prime factorisation.
4. Using prime factorisation, find the cube root of 5832.
5. Is 9720 a perfect cube? If not, find the smallest number by which it should be divided to get a perfect cube.
6. By what smallest number should 3600 be multiplied so that the quotient is a perfect cube. Also find the cube root of the quotient.
7. If one side of a cube is 15m in length, find its volume.
8. Three numbers are in the ratio 1:2:3 and the sum of their cubes is 4500. Find the numbers.
9. Difference of two perfect cubes is 189. If the cube root of the smaller of the two numbers is 3, find the cube root of the larger number.
10. Evaluate :
a)
b)
1. The cube of 0.3 is ___________
2. The cube root of 729 is __________
3. Check whether 1728 is a perfect cube by using prime factorisation.
4. Using prime factorisation, find the cube root of 5832.
5. Is 9720 a perfect cube? If not, find the smallest number by which it should be divided to get a perfect cube.
6. By what smallest number should 3600 be multiplied so that the quotient is a perfect cube. Also find the cube root of the quotient.
7. If one side of a cube is 15m in length, find its volume.
8. Three numbers are in the ratio 1:2:3 and the sum of their cubes is 4500. Find the numbers.
9. Difference of two perfect cubes is 189. If the cube root of the smaller of the two numbers is 3, find the cube root of the larger number.
10. Evaluate :
a)
b)
Downloaded from https://qusaistuition.blogspot.com
CBSE 9th Mathematics Worksheet- Some Important Revision Questions
Downloaded from https://qusaistuition.blogspot.com
Answer the following
- Rationalize the denominator : 7-3√2 / 7+3√2
- Visualize 4.26 on the number line, using successive magnification upto 4 decimal places
- Find the points where the graph of the equation 3x + 4y =12 cuts the x-axis and the y-axis
- Three vertices of a rectangle are (4, 2), (– 3, 2) and (– 3, 7). Plot these points and find the coordinates of the fourth vertex.
- Angles of a quadrilateral are in the ratio 3 : 4 : 4 : 7. Find all the angles of the quadrilateral.
- Factorize: 12x2 –7x + 1
- The angles of triangle are (x + 10° ), (2x – 30° ) and x° . Find the value of x
- In below Fig. , if AC = BD, then prove that AB = CD
- Without actually calculating the cubes, find the value of (23)3 + (–15)3 + (–8)3
- In the figure, PR > PQ and PS bisects ∠QPR. Prove that ∠PSR > ∠PSQ.
- Factorise: x3 -23x2 +142x-120
- If x – 2 is a factor of x3 – 3x +5a then find the value of a.
- The polynomial f(x) = x4 – 2x3 + 3x2 – ax + b when divided by (x – 1) and (x + 1) leaves the remainders 5 and 9 respectively. Find the values of a and b.
- AB and CD are respectively the smallest and longest sides of a quadrilateral ABCD (see figure). Show that ∠A > ∠C and ∠B > ∠D.
- The taxi fare in a city is as follows: For the first kilometre, the fare is Rs 8 and for the subsequent distance it is Rs 5 per km. Taking the distance covered as x km and total fare as Rs y, write a linear equation for this information, and draw its graph.
- Prove that “The line segment joining the mid-points of two sides of a triangle is parallel to the third side and half of it.”
©Qusais Tuition,Dubai
CBSE 10th Mathematics worksheet- Constructions
Answer the following
1. Draw a line segment of
length 8cm divided it in the ratio 3:4
2. Construct a triangle
similar to a given ΔABC, where AB = 4cm , BC = 6 cm and ÐABC
= 60°, such that each of its sides is 5/7 th of the corresponding sides of the ΔABC
3. Construct a circle of radius
6 cm and draw the tangents CD1 and CD2 from a point outside the circle such
that CD1 = 9 cm and CD2 = 10 cm.
(i) Is the given construction is correct?
(ii) If the point C is at the distance of 10 units from the centre, then draw the tangents from C and measure their lengths.
(i) Is the given construction is correct?
(ii) If the point C is at the distance of 10 units from the centre, then draw the tangents from C and measure their lengths.
4. Draw a right triangle ABC
in which BC = 12 cm, AB = 5 cm and B = 90°. Construct a triangle similar
to it and of scale factor 2/ 3 . Is the new triangle also a right triangle?
5. Draw two concentric circles
of radii 3 cm and 5 cm. taking a point on outer circle construct the pair of
tangents to the other. Measure the length of a tangent and verify it by actual
calculation.
6. Construct an isosceles
triangle whose base is 7 cm and altitude 5 cm and then construct another triangle
whose sides are 3/4 times the
corresponding sides of the given triangle.
Subscribe to:
Posts (Atom)
