CBSE Class 8 Mathematics Worksheets/Part 3/Yearly Examination

CBSE Class 8 Mathematics Worksheets is about some model questions that you can expect for yearly examination. Here you can find out practice problems for class 8 Mathematics.

CBSE CLASS 8 MATHEMATICS/WORKSHEETS/Part 3/Yearly Examination.
Model Questions for Yearly Examination
Fill in the blanks:

  1. The ratio of 50 paise to 5 rupees is —————–
  2. The cube root of 2744 is —————-
  3. The area of a rectangle with length and breadth as monomials 10m and 5n respectively are —————
  4. A monomial multiplied by a monomial always gives a ————–
  5. The lateral surface area of a cuboid is given by ———
    Answer the following:
  6. Add a- b+ ab, b – c + bc, c – a + ac
  7. Use the identity find 95 x 103?
  8. Find the common factors of 10pq, 20qr, 30rp
  9. The price of a scooter was 34000 rupees last year. It has increased by 20% this year. What is the price now?
  10. What will be the unit digit of the squares of the following numbers?
    a) 5467
    b) 6523

ANSWERS:

  1. 1:10
  2. 14
  3. 50mn
  4. Monomial
  5. 2h (l + b)
  6. a – b + ab + b – c + bc + c – a + ac
    Combining like terms we get a – a – b + b – c + c + ab + bc + ac = ab + bc + ac
  7. 95 x 103 = (100 – 5) x (100 + 3)
    = 100 x 100 + (-5 + 3) x 100 + (-5) x 3
    = 10000 – 200 – 15
    = 9785
  8. 10pq= 1 x 10pq
    20qr = 2 x 10qr
    30rp = 3 x 10rp
    The common factor is 10.
  9. 20% of 34000 = 20 x 34000/100 = 6800 rupees
    New price = Old price + Increase = 34000 + 6800 = 40800 rupees
  10. a) Since 7 x 7 = 49, the unit digit of the squares of 5467 will be 9.
    b) Since 3 x 3 = 9, the unit digit of the squares of 6523 will be 9.

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