← Class 8 final maths test lesson New set →

Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 564 · 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.Find the compound interest on ₹57600 at 25% per year for 3 years, compounded every year (in ₹).
  2. 2.What is 5³? =
  3. 3.Use (a − b)² = a² − 2ab + b² to find 68².
  4. 4.A cuboid is 13 cm long, 3 cm wide and 6 cm high. What is its total surface area (in square cm)?
  5. 5.Use a² − b² = (a + b)(a − b) to find 52² − 5².
  6. 6.Solve: 9n + 3 = 5n + 63. What is n?
  7. 7.A father is 11 years older than his son. In 7 years, the father will be twice as old as his son. How old is the son now?
  8. 8.Solve: 7x + 13 = 6x + 24. What is x?
  9. 9.Use a² − b² = (a + b)(a − b) to find 25² − 17².
  10. 10.A scooter is worth ₹40300. Its value falls by 25% every year. What will it be worth after 1 year (in ₹)?
  11. 11.Use (a + b)(a − b) = a² − b² to find 49 × 31.
  12. 12.Solve: n/5 + n/4 = 63. What is n?
  13. 13.The length of a rectangle is 10 cm more than its width. Its perimeter is 36 cm. What is its width (in cm)?
  14. 14.Write (4³)⁵ as a single power 4ⁿ. What is n?
  15. 15.What is √1849? =
  16. 16.Find the compound interest on ₹4800 at 25% per year for 3 years, compounded every year (in ₹).
  17. 17.Solve: t/5 + t/4 = 9. What is t?
  18. 18.Find the compound interest on ₹23800 at 15% per year for 1 year, compounded every year (in ₹).
  19. 19.What is the value of 10⁴? =
  20. 20.What is the difference between the compound interest and the simple interest on ₹12500 at 4% per year for 2 years (in ₹)?
  21. 21.What is 11³? =
  22. 22.What is the sum of the first 22 odd numbers (1 + 3 + 5 + …)?
  23. 23.Solve: 4(x − 2) = 2x + 2. What is x?
  24. 24.Write 4.6 × 10⁻¹ as a decimal. =
  25. 25.A town has 28100 people. The population grows by 20% every year. What will the population be after 1 year?
  26. 26.What amount will ₹30000 grow to in 2 years at 12% per year compound interest (in ₹)?
  27. 27.What is 6³? =
  28. 28.Use (a + b)(a − b) = a² − b² to find 62 × 58.
  29. 29.A room is 10 m long, 6 m wide and 5 m high. What is the area of its four walls (in square m)?
  30. 30.Solve: 6(x − 3) = 3x + 24. What is x?
  31. 31.What is √8100? =
  32. 32.Solve: 9t + 6 = 6t + 9. What is t?
  33. 33.Solve: 7p + 17 = 2p + 27. What is p?
  34. 34.What is √3025? =
  35. 35.A scooter is worth ₹26000. Its value falls by 5% every year. What will it be worth after 2 years (in ₹)?
  36. 36.Find the compound interest on ₹44200 at 10% per year for 2 years, compounded every year (in ₹).
  37. 37.Write 7⁶ × 7⁴ as a single power 7ⁿ. What is n?
  38. 38.A scooter is worth ₹2000. Its value falls by 20% every year. What will it be worth after 3 years (in ₹)?
  39. 39.A cube has a volume of 8000 cubic cm. How long is each edge (in cm)?
  40. 40.How many whole numbers lie between 29² and 30²?

Answer key

  1. 54900
  2. 125
  3. 4624
  4. 270
  5. 2679
  6. 15
  7. 4
  8. 11
  9. 336
  10. 30225
  11. 1519
  12. 140
  13. 4
  14. 15
  15. 43
  16. 4575
  17. 20
  18. 3570
  19. 10000
  20. 20
  21. 1331
  22. 484
  23. 5
  24. 0.46
  25. 33720
  26. 37632
  27. 216
  28. 3596
  29. 160
  30. 14
  31. 90
  32. 1
  33. 2
  34. 55
  35. 23465
  36. 9282
  37. 10
  38. 1024
  39. 20
  40. 58

Free maths worksheets lessons, practice and worksheets at talentjr.in/maths-worksheets