← Class 8 final maths test lesson New set →

Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 698 · 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.Write 520 in standard form as 5.2 × 10ⁿ. What is n?
  2. 2.A cuboid is 11 cm long, 3 cm wide and 3 cm high. What is its total surface area (in square cm)?
  3. 3.What is ∛64? =
  4. 4.Use (a + b)² = a² + 2ab + b² to find 96².
  5. 5.What is the difference between the compound interest and the simple interest on ₹30000 at 12% per year for 2 years (in ₹)?
  6. 6.Use a² − b² = (a + b)(a − b) to find 42² − 19².
  7. 7.A father is 33 years older than his son. In 3 years, the father will be four times as old as his son. How old is the son now?
  8. 8.A town has 42500 people. The population grows by 12% every year. What will the population be after 2 years?
  9. 9.What amount will ₹36800 grow to in 3 years at 25% per year compound interest (in ₹)?
  10. 10.Write 2 × 10⁻² as a decimal. =
  11. 11.Solve: m/3 + m/5 = 16. What is m?
  12. 12.A father is 22 years older than his son. In 8 years, the father will be three times as old as his son. How old is the son now?
  13. 13.The length of a rectangle is 11 cm more than its width. Its perimeter is 90 cm. What is its width (in cm)?
  14. 14.Write 2 × 10⁻⁴ as a decimal. =
  15. 15.Use a² − b² = (a + b)(a − b) to find 88² − 75².
  16. 16.Use (a + b)(a − b) = a² − b² to find 97 × 83.
  17. 17.The length of a rectangle is 11 cm more than its width. Its perimeter is 50 cm. What is its width (in cm)?
  18. 18.The diagonals of a rhombus are 8 cm and 25 cm. What is its area (in square cm)?
  19. 19.Solve: 4(n − 4) = 3n + 10. What is n?
  20. 20.What is the sum of the first 28 odd numbers (1 + 3 + 5 + …)?
  21. 21.What is the value of 2⁻⁹ (as a fraction)? =
  22. 22.8.6 × 10² =
  23. 23.2.2 × 10³ =
  24. 24.What is 96²? =
  25. 25.What is √3249? =
  26. 26.Solve: 4p + 5 = p + 47. What is p?
  27. 27.What is 13³? =
  28. 28.What is 10³? =
  29. 29.A big cube of edge 2 cm is cut into small cubes of edge 1 cm. How many small cubes are there?
  30. 30.Write 98,00,000 in standard form as 9.8 × 10ⁿ. What is n?
  31. 31.What is ∛27? =
  32. 32.Write (5⁵)⁹ as a single power 5ⁿ. What is n?
  33. 33.A father is 20 years older than his son. In 8 years, the father will be twice as old as his son. How old is the son now?
  34. 34.A cuboid is 11 cm long, 2 cm wide and 8 cm high. What is its total surface area (in square cm)?
  35. 35.What is 70²? =
  36. 36.The total surface area of a cube is 1536 square cm. How long is each edge (in cm)?
  37. 37.Use (a − b)² = a² − 2ab + b² to find 33².
  38. 38.The sum of four consecutive whole numbers is 106. What is the largest of them?
  39. 39.The total surface area of a cube is 54 square cm. How long is each edge (in cm)?
  40. 40.A cuboid is 4 cm long, 8 cm wide and 3 cm high. What is its total surface area (in square cm)?

Answer key

  1. 2
  2. 150
  3. 4
  4. 9216
  5. 432
  6. 1403
  7. 8
  8. 53312
  9. 71875
  10. 0.02
  11. 30
  12. 3
  13. 17
  14. 0.0002
  15. 2119
  16. 8051
  17. 7
  18. 100
  19. 26
  20. 784
  21. 1/512
  22. 860
  23. 2200
  24. 9216
  25. 57
  26. 14
  27. 2197
  28. 1000
  29. 8
  30. 6
  31. 3
  32. 45
  33. 12
  34. 252
  35. 4900
  36. 16
  37. 1089
  38. 28
  39. 3
  40. 136

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