← Class 8 final maths test lesson New set →

Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 261 · 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 cuboid is 5 cm long, 12 cm wide and 10 cm high. What is its total surface area (in square cm)?
  2. 2.What is the value of 7⁵? =
  3. 3.What is 15³? =
  4. 4.What is the sum of the first 6 odd numbers (1 + 3 + 5 + …)?
  5. 5.Solve: 4(p − 3) = p + 39. What is p?
  6. 6.Each edge of a cube is 15 cm. What is its total surface area (in square cm)?
  7. 7.What is the difference between the compound interest and the simple interest on ₹55000 at 8% per year for 2 years (in ₹)?
  8. 8.Find the compound interest on ₹52500 at 8% per year for 2 years, compounded every year (in ₹).
  9. 9.Use (a + b)² = a² + 2ab + b² to find 55².
  10. 10.Use a² − b² = (a + b)(a − b) to find 47² − 1².
  11. 11.What is the smallest whole number by which 81 must be multiplied to get a perfect cube?
  12. 12.Find the compound interest on ₹38300 at 10% per year for 2 years, compounded every year (in ₹).
  13. 13.What is 58²? =
  14. 14.What is the difference between the compound interest and the simple interest on ₹26000 at 5% per year for 2 years (in ₹)?
  15. 15.Write (9⁵)⁷ as a single power 9ⁿ. What is n?
  16. 16.How many whole numbers lie between 21² and 22²?
  17. 17.A cube has a volume of 5832 cubic cm. How long is each edge (in cm)?
  18. 18.Write 540 in standard form as 5.4 × 10ⁿ. What is n?
  19. 19.A trapezium has parallel sides of 6 cm and 4 cm, and the distance between them is 7 cm. What is its area (in square cm)?
  20. 20.A big cube of edge 2 cm is cut into small cubes of edge 1 cm. How many small cubes are there?
  21. 21.What is the smallest whole number by which 128 must be multiplied to get a perfect square?
  22. 22.What is the value of (8/9)⁻¹? =
  23. 23.What is ∛4913? =
  24. 24.Write (4⁶)⁴ as a single power 4ⁿ. What is n?
  25. 25.What is the value of 10⁶ × 10⁻¹? =
  26. 26.The total surface area of a cube is 1014 square cm. How long is each edge (in cm)?
  27. 27.What is the difference between the compound interest and the simple interest on ₹46400 at 25% per year for 2 years (in ₹)?
  28. 28.Solve: 5(n − 2) = 3n + 6. What is n?
  29. 29.A room is 7 m long, 7 m wide and 3 m high. What is the area of its four walls (in square m)?
  30. 30.What is the value of 3⁹? =
  31. 31.The total surface area of a cube is 1944 square cm. How long is each edge (in cm)?
  32. 32.Which of these is a perfect square? (a) 220 (b) 196 (c) 222
  33. 33.Find the compound interest on ₹36400 at 12% per year for 1 year, compounded every year (in ₹).
  34. 34.Solve: 6n + 10 = 4n + 28. What is n?
  35. 35.What amount will ₹15000 grow to in 2 years at 4% per year compound interest (in ₹)?
  36. 36.What is the value of 2²? =
  37. 37.What is the value of 2¹⁰? =
  38. 38.A square garden has an area of 121 square m. How long is each side (in m)?
  39. 39.A square garden has an area of 400 square m. How long is each side (in m)?
  40. 40.A trapezium has parallel sides of 11 cm and 10 cm, and the distance between them is 2 cm. What is its area (in square cm)?

Answer key

  1. 460
  2. 16807
  3. 3375
  4. 36
  5. 17
  6. 1350
  7. 352
  8. 8736
  9. 3025
  10. 2208
  11. 9
  12. 8043
  13. 3364
  14. 65
  15. 35
  16. 42
  17. 18
  18. 2
  19. 35
  20. 8
  21. 2
  22. 9/8
  23. 17
  24. 24
  25. 100000
  26. 13
  27. 2900
  28. 8
  29. 84
  30. 19683
  31. 18
  32. 196
  33. 4368
  34. 9
  35. 16224
  36. 4
  37. 1024
  38. 11
  39. 20
  40. 21

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