← Class 8 final maths test lesson New set →

Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 976 · 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.Solve: 4y + 19 = 2y + 39. What is y?
  2. 2.Which of these is a perfect square? (a) 756 (b) 769 (c) 729
  3. 3.If a + b = 17 and ab = 72, what is a² + b²?
  4. 4.What amount will ₹42500 grow to in 2 years at 12% per year compound interest (in ₹)?
  5. 5.The sum of three consecutive whole numbers is 72. What is the largest of them?
  6. 6.Use a² − b² = (a + b)(a − b) to find 51² − 34².
  7. 7.Solve: 8y + 6 = 7y + 12. What is y?
  8. 8.What is the value of 5²? =
  9. 9.Find the value of x² + 2xy + y² when x = 11 and y = 5.
  10. 10.What amount will ₹7900 grow to in 1 year at 10% per year compound interest (in ₹)?
  11. 11.What is ∛13824? =
  12. 12.The length of a rectangle is 12 cm more than its width. Its perimeter is 88 cm. What is its width (in cm)?
  13. 13.If a − b = 1 and ab = 2, what is a² + b²?
  14. 14.What is the difference between the compound interest and the simple interest on ₹32000 at 10% per year for 2 years (in ₹)?
  15. 15.How many whole numbers lie between 45² and 46²?
  16. 16.What is 73²? =
  17. 17.How many whole numbers lie between 23² and 24²?
  18. 18.Which of these is a perfect square? (a) 580 (b) 576 (c) 606
  19. 19.The total surface area of a cube is 150 square cm. How long is each edge (in cm)?
  20. 20.A cuboid is 5 cm long, 5 cm wide and 3 cm high. What is its total surface area (in square cm)?
  21. 21.Find the value of x² − 2xy + y² when x = 9 and y = 2.
  22. 22.A cube has a volume of 512 cubic cm. How long is each edge (in cm)?
  23. 23.A town has 32500 people. The population grows by 8% every year. What will the population be after 2 years?
  24. 24.Each edge of a cube is 17 cm. What is its total surface area (in square cm)?
  25. 25.A big cube of edge 8 cm is cut into small cubes of edge 4 cm. How many small cubes are there?
  26. 26.What is the difference between the compound interest and the simple interest on ₹5000 at 8% per year for 2 years (in ₹)?
  27. 27.A square garden has an area of 100 square m. How long is each side (in m)?
  28. 28.Use (a − b)² = a² − 2ab + b² to find 39².
  29. 29.What is the sum of the first 7 odd numbers (1 + 3 + 5 + …)?
  30. 30.What is 8³? =
  31. 31.Which of these is a perfect cube? (a) 866 (b) 812 (c) 729
  32. 32.What is the difference between the compound interest and the simple interest on ₹30000 at 12% per year for 2 years (in ₹)?
  33. 33.4.2 × 10⁶ =
  34. 34.Solve: 4p + 5 = 2p + 33. What is p?
  35. 35.Write 9.1 × 10⁻¹ as a decimal. =
  36. 36.What is 85²? =
  37. 37.What is √6561? =
  38. 38.Which of these is a perfect square? (a) 309 (b) 289 (c) 292
  39. 39.What is √5625? =
  40. 40.What is ∛1000? =

Answer key

  1. 10
  2. 729
  3. 145
  4. 53312
  5. 25
  6. 1445
  7. 6
  8. 25
  9. 256
  10. 8690
  11. 24
  12. 16
  13. 5
  14. 320
  15. 90
  16. 5329
  17. 46
  18. 576
  19. 5
  20. 110
  21. 49
  22. 8
  23. 37908
  24. 1734
  25. 8
  26. 32
  27. 10
  28. 1521
  29. 49
  30. 512
  31. 729
  32. 432
  33. 4200000
  34. 14
  35. 0.91
  36. 7225
  37. 81
  38. 289
  39. 75
  40. 10

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