← Class 8 final maths test lesson New set →

Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 113 · 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 ₹31900 at 10% per year for 1 year, compounded every year (in ₹).
  2. 2.A square garden has an area of 256 square m. How long is each side (in m)?
  3. 3.Write 99,00,000 in standard form as 9.9 × 10ⁿ. What is n?
  4. 4.What amount will ₹23200 grow to in 2 years at 5% per year compound interest (in ₹)?
  5. 5.What is the value of (5/9)⁻¹? =
  6. 6.Solve: 3p + 9 = 2p + 10. What is p?
  7. 7.What is the smallest whole number by which 375 must be divided to get a perfect cube?
  8. 8.The diagonals of a rhombus are 4 cm and 26 cm. What is its area (in square cm)?
  9. 9.Write 6.3 × 10⁻¹ as a decimal. =
  10. 10.Solve: 4t + 3 = 2t + 19. What is t?
  11. 11.A square garden has an area of 144 square m. How long is each side (in m)?
  12. 12.What is the value of 6³? =
  13. 13.Use (a + b)(a − b) = a² − b² to find 46 × 34.
  14. 14.What is √2704? =
  15. 15.Use (a − b)² = a² − 2ab + b² to find 25².
  16. 16.What is 82²? =
  17. 17.Each edge of a cube is 16 cm. What is its total surface area (in square cm)?
  18. 18.What is the value of 5⁴? =
  19. 19.The length of a rectangle is 2 cm more than its width. Its perimeter is 16 cm. What is its width (in cm)?
  20. 20.Use (a + b)² = a² + 2ab + b² to find 48².
  21. 21.What is √7225? =
  22. 22.What is √5041? =
  23. 23.What is the smallest whole number by which 576 must be multiplied to get a perfect cube?
  24. 24.The length of a rectangle is 4 cm more than its width. Its perimeter is 44 cm. What is its width (in cm)?
  25. 25.Use a² − b² = (a + b)(a − b) to find 34² − 12².
  26. 26.The total surface area of a cube is 54 square cm. How long is each edge (in cm)?
  27. 27.What is the difference between the compound interest and the simple interest on ₹27500 at 12% per year for 2 years (in ₹)?
  28. 28.Find the value of x² + 2xy + y² when x = 15 and y = 8.
  29. 29.What is √6084? =
  30. 30.A big cube of edge 16 cm is cut into small cubes of edge 4 cm. How many small cubes are there?
  31. 31.4.5 × 10² =
  32. 32.Use (a + b)² = a² + 2ab + b² to find 16².
  33. 33.A trapezium has an area of 56 square cm. Its parallel sides are 7 cm and 9 cm. What is the distance between them (in cm)?
  34. 34.Solve: p/5 + p/6 = 77. What is p?
  35. 35.Write 8,200 in standard form as 8.2 × 10ⁿ. What is n?
  36. 36.A trapezium has an area of 250 square cm. Its parallel sides are 11 cm and 14 cm. What is the distance between them (in cm)?
  37. 37.Solve: m/2 + m/5 = 28. What is m?
  38. 38.A cube has a volume of 125 cubic cm. How long is each edge (in cm)?
  39. 39.What is 3³? =
  40. 40.A trapezium has parallel sides of 22 cm and 15 cm, and the distance between them is 12 cm. What is its area (in square cm)?

Answer key

  1. 3190
  2. 16
  3. 6
  4. 25578
  5. 9/5
  6. 1
  7. 3
  8. 52
  9. 0.63
  10. 8
  11. 12
  12. 216
  13. 1564
  14. 52
  15. 625
  16. 6724
  17. 1536
  18. 625
  19. 3
  20. 2304
  21. 85
  22. 71
  23. 3
  24. 9
  25. 1012
  26. 3
  27. 396
  28. 529
  29. 78
  30. 64
  31. 450
  32. 256
  33. 7
  34. 210
  35. 3
  36. 20
  37. 40
  38. 5
  39. 27
  40. 222

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