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Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 315 · 40 sums
TalentJR

The method (Read, plan, check): Find the type of question first: power, square or cube, equation, identity, area or interest? Use the method from that lesson, step by step. Check: square or cube your root back, put equation answers back in, and work interest year by year.

NameDateTime takenScore ___ / 40
  1. 1.A trapezium has parallel sides of 9 cm and 25 cm, and the distance between them is 9 cm. What is its area (in square cm)?
  2. 2.Which of these is a perfect cube? (a) 34 (b) 49 (c) 27
  3. 3.What is the value of 10⁻³ (as a fraction)? =
  4. 4.What is √900? =
  5. 5.Find the compound interest on ₹48000 at 15% per year for 2 years, compounded every year (in ₹).
  6. 6.A big cube of edge 8 cm is cut into small cubes of edge 4 cm. How many small cubes are there?
  7. 7.Which of these is a perfect cube? (a) 73 (b) 100 (c) 64
  8. 8.Write (5⁹)³ as a single power 5ⁿ. What is n?
  9. 9.A big cube of edge 12 cm is cut into small cubes of edge 4 cm. How many small cubes are there?
  10. 10.What is 2³? =
  11. 11.What is √4489? =
  12. 12.Solve: 4(m − 3) = m + 6. What is m?
  13. 13.Find the compound interest on ₹15300 at 10% per year for 1 year, compounded every year (in ₹).
  14. 14.What amount will ₹10600 grow to in 1 year at 25% per year compound interest (in ₹)?
  15. 15.Which of these is a perfect square? (a) 101 (b) 104 (c) 100
  16. 16.The total surface area of a cube is 600 square cm. How long is each edge (in cm)?
  17. 17.A trapezium has an area of 70 square cm. Its parallel sides are 8 cm and 12 cm. What is the distance between them (in cm)?
  18. 18.What is the value of 2³ × 2⁻²? =
  19. 19.Use a² − b² = (a + b)(a − b) to find 34² − 15².
  20. 20.A trapezium has an area of 405 square cm. Its parallel sides are 30 cm and 24 cm. What is the distance between them (in cm)?
  21. 21.A cuboid is 8 cm long, 9 cm wide and 4 cm high. What is its total surface area (in square cm)?
  22. 22.What amount will ₹15300 grow to in 1 year at 12% per year compound interest (in ₹)?
  23. 23.What is 59²? =
  24. 24.Solve: 9y + 6 = 3y + 84. What is y?
  25. 25.A trapezium has parallel sides of 19 cm and 12 cm, and the distance between them is 12 cm. What is its area (in square cm)?
  26. 26.What is ∛64? =
  27. 27.What is the value of 5¹ × 5⁻⁴? =
  28. 28.What is 19³? =
  29. 29.What is 97²? =
  30. 30.A scooter is worth ₹35200. Its value falls by 25% every year. What will it be worth after 3 years (in ₹)?
  31. 31.A cube has a volume of 6859 cubic cm. How long is each edge (in cm)?
  32. 32.A town has 9900 people. The population grows by 25% every year. What will the population be after 1 year?
  33. 33.What is √441? =
  34. 34.The sum of four consecutive whole numbers is 74. What is the smallest of them?
  35. 35.A trapezium has parallel sides of 25 cm and 24 cm, and the distance between them is 8 cm. What is its area (in square cm)?
  36. 36.Solve: 7n + 10 = 2n + 35. What is n?
  37. 37.A big cube of edge 10 cm is cut into small cubes of edge 2 cm. How many small cubes are there?
  38. 38.Write 2,50,000 in standard form as 2.5 × 10ⁿ. What is n?
  39. 39.Solve: 6x + 6 = 3x + 30. What is x?
  40. 40.What is √8100? =

Answer key

  1. 153
  2. 27
  3. 1/1000
  4. 30
  5. 15480
  6. 8
  7. 64
  8. 27
  9. 27
  10. 8
  11. 67
  12. 6
  13. 1530
  14. 13250
  15. 100
  16. 10
  17. 7
  18. 2
  19. 931
  20. 15
  21. 280
  22. 17136
  23. 3481
  24. 13
  25. 186
  26. 4
  27. 1/125
  28. 6859
  29. 9409
  30. 14850
  31. 19
  32. 12375
  33. 21
  34. 17
  35. 196
  36. 5
  37. 125
  38. 5
  39. 8
  40. 90

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