CBSE Class 8 Mathematics Revision Assignment Set B

CBSE Class 8 Mathematics Revision Assignment Set B. Students are advised to refer to the attached assignments and practice them regularly. This will help them to identify their weak areas and will help them to score better in examination. Parents should download and give the assignments to their children for practice.

Q1: The product of two rational numbers is (- 15/7) .If one of them is (-10/21), then find the number?

Q2: Write five rational numbers between 25/10 & 27/10?

Q3: A train is at a uniform speed covers a distance of 350Km in 3 ½ hours. Find the speed of the train & the distance covered by the train in 5Hrs?

Q4: Naina had 11 ¼ long ribbon. She cuts it into 9 equal pieces. Find the length of each piece?

Q5: Find the value of x:

a) (4/5)³ ÷ (4/5) ^-3= (4/5)^3x

b) (4/15) ³ × (4/15)^-6 = (4/15)^2x+1

Q6: Find the squares of the following numbers using the column method:

a) 99 b) 89

Q7: Find the square root of 0.9 correct up to three decimal places. (Using long division method)?

Q8: Find the cube root of the following numbers by finding their ones & tens digit:

A) 300763 b) 636056

Q9: Divide by long division method:

a) 12x³ - 20x² - 9x + 15 by (3x-5)

b) 6y⁵ + 4y⁴ - 3y³ - 1 by (3y²-y+1)

Q10:Factorize the following expressions:

a) 16x⁴ - (z-x) ⁴ b) x⁸ - y⁸ + x⁴ - y⁴

Please click the link below to download CBSE Class 8 Mathematics Revision Assignment Set B