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Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 501 · 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 cube has a volume of 1000 cubic cm. How long is each edge (in cm)?
  2. 2.What is the value of 10⁵ × 10⁻⁶? =
  3. 3.Use a² − b² = (a + b)(a − b) to find 72² − 4².
  4. 4.What amount will ₹48800 grow to in 2 years at 25% per year compound interest (in ₹)?
  5. 5.Write 1.6 × 10⁻³ as a decimal. =
  6. 6.What is ∛125? =
  7. 7.A cuboid is 8 cm long, 4 cm wide and 5 cm high. What is its total surface area (in square cm)?
  8. 8.What is the sum of the first 11 odd numbers (1 + 3 + 5 + …)?
  9. 9.A town has 27500 people. The population grows by 4% every year. What will the population be after 2 years?
  10. 10.Solve: 5(t − 3) = t + 17. What is t?
  11. 11.What is the smallest whole number by which 637 must be divided to get a perfect square?
  12. 12.Solve: n/6 + n/4 = 35. What is n?
  13. 13.A cuboid is 9 cm long, 4 cm wide and 9 cm high. What is its total surface area (in square cm)?
  14. 14.Write 8.5 × 10⁻³ as a decimal. =
  15. 15.What is √484? =
  16. 16.What is the smallest whole number by which 54 must be multiplied to get a perfect cube?
  17. 17.What is the value of 2⁷? =
  18. 18.What is 47²? =
  19. 19.What is √289? =
  20. 20.Solve: m/3 + m/4 = 56. What is m?
  21. 21.How many whole numbers lie between 32² and 33²?
  22. 22.What is the difference between the compound interest and the simple interest on ₹29500 at 10% per year for 2 years (in ₹)?
  23. 23.What is the sum of the first 16 odd numbers (1 + 3 + 5 + …)?
  24. 24.What is the sum of the first 25 odd numbers (1 + 3 + 5 + …)?
  25. 25.6.2 × 10⁷ =
  26. 26.Solve: x/3 + x/5 = 24. What is x?
  27. 27.Solve: 6n + 8 = 3n + 41. What is n?
  28. 28.What is the difference between the compound interest and the simple interest on ₹45600 at 15% per year for 2 years (in ₹)?
  29. 29.What is the value of 5² × 5⁻¹? =
  30. 30.Solve: 7y + 10 = 6y + 21. What is y?
  31. 31.Solve: 3m + 3 = 2m + 13. What is m?
  32. 32.What is the value of 2¹³? =
  33. 33.A town has 11500 people. The population grows by 10% every year. What will the population be after 2 years?
  34. 34.What is the value of 5⁻¹ (as a fraction)? =
  35. 35.What is the value of 5⁵ × 5⁻⁴? =
  36. 36.A trapezium has an area of 120 square cm. Its parallel sides are 21 cm and 3 cm. What is the distance between them (in cm)?
  37. 37.A trapezium has parallel sides of 30 cm and 10 cm, and the distance between them is 20 cm. What is its area (in square cm)?
  38. 38.Find the compound interest on ₹41600 at 25% per year for 3 years, compounded every year (in ₹).
  39. 39.Write (8⁶)⁶ as a single power 8ⁿ. What is n?
  40. 40.What is the value of 5⁴ × 5⁻⁴? =

Answer key

  1. 10
  2. 1/10
  3. 5168
  4. 76250
  5. 0.0016
  6. 5
  7. 184
  8. 121
  9. 29744
  10. 8
  11. 13
  12. 84
  13. 306
  14. 0.0085
  15. 22
  16. 4
  17. 128
  18. 2209
  19. 17
  20. 96
  21. 64
  22. 295
  23. 256
  24. 625
  25. 62000000
  26. 45
  27. 11
  28. 1026
  29. 5
  30. 11
  31. 10
  32. 8192
  33. 13915
  34. 1/5
  35. 5
  36. 10
  37. 400
  38. 39650
  39. 36
  40. 1

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