← Class 8 final maths test lesson New set →

Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 908 · 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.What is √361? =
  2. 2.A room is 9 m long, 9 m wide and 5 m high. What is the area of its four walls (in square m)?
  3. 3.A cuboid is 14 cm long, 11 cm wide and 4 cm high. What is its total surface area (in square cm)?
  4. 4.What is ∛27? =
  5. 5.Solve: 6(p − 4) = 5p + 3. What is p?
  6. 6.What amount will ₹17500 grow to in 2 years at 4% per year compound interest (in ₹)?
  7. 7.Write (2³)⁵ as a single power 2ⁿ. What is n?
  8. 8.What is the value of 3⁶ × 3⁻¹? =
  9. 9.A cube has a volume of 64 cubic cm. How long is each edge (in cm)?
  10. 10.What is √4900? =
  11. 11.What is the value of 9²? =
  12. 12.Use (a − b)² = a² − 2ab + b² to find 92².
  13. 13.Find the value of x² − y² when x = 3 and y = 1.
  14. 14.Which of these is a perfect cube? (a) 137 (b) 185 (c) 125
  15. 15.Find the value of x² + 2xy + y² when x = 13 and y = 10.
  16. 16.What is √5929? =
  17. 17.A square garden has an area of 289 square m. How long is each side (in m)?
  18. 18.Write 5.8 × 10⁻⁴ as a decimal. =
  19. 19.Write 4 × 10⁻² as a decimal. =
  20. 20.Find the compound interest on ₹18800 at 25% per year for 2 years, compounded every year (in ₹).
  21. 21.Find the value of x² − 2xy + y² when x = 6 and y = 2.
  22. 22.What is 43²? =
  23. 23.A square garden has an area of 484 square m. How long is each side (in m)?
  24. 24.Write 3⁶ × 3³ as a single power 3ⁿ. What is n?
  25. 25.Which of these is a perfect square? (a) 1163 (b) 1214 (c) 1156
  26. 26.Find the value of x² − y² when x = 10 and y = 3.
  27. 27.What amount will ₹12500 grow to in 2 years at 8% per year compound interest (in ₹)?
  28. 28.Solve: 5(p − 4) = 3p + 6. What is p?
  29. 29.What is √8281? =
  30. 30.The diagonals of a rhombus are 4 cm and 6 cm. What is its area (in square cm)?
  31. 31.Which of these is a perfect square? (a) 819 (b) 784 (c) 826
  32. 32.A cube has a volume of 512 cubic cm. How long is each edge (in cm)?
  33. 33.What is the value of (1/2)⁻²? =
  34. 34.The length of a rectangle is 2 cm more than its width. Its perimeter is 32 cm. What is its width (in cm)?
  35. 35.What is √7396? =
  36. 36.The diagonals of a rhombus are 20 cm and 28 cm. What is its area (in square cm)?
  37. 37.A town has 59100 people. The population grows by 8% every year. What will the population be after 1 year?
  38. 38.What is the sum of the first 7 odd numbers (1 + 3 + 5 + …)?
  39. 39.What is the value of 4⁻² (as a fraction)? =
  40. 40.Find the compound interest on ₹21800 at 12% per year for 1 year, compounded every year (in ₹).

Answer key

  1. 19
  2. 180
  3. 508
  4. 3
  5. 27
  6. 18928
  7. 15
  8. 243
  9. 4
  10. 70
  11. 81
  12. 8464
  13. 8
  14. 125
  15. 529
  16. 77
  17. 17
  18. 0.00058
  19. 0.04
  20. 10575
  21. 16
  22. 1849
  23. 22
  24. 9
  25. 1156
  26. 91
  27. 14580
  28. 13
  29. 91
  30. 12
  31. 784
  32. 8
  33. 4
  34. 7
  35. 86
  36. 280
  37. 63828
  38. 49
  39. 1/16
  40. 2616

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