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Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 238 · 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 square garden has an area of 1444 square m. How long is each side (in m)?
  2. 2.What is √3721? =
  3. 3.A trapezium has parallel sides of 21 cm and 8 cm, and the distance between them is 12 cm. What is its area (in square cm)?
  4. 4.What is 44²? =
  5. 5.What is √2209? =
  6. 6.What is the sum of the first 16 odd numbers (1 + 3 + 5 + …)?
  7. 7.The length of a rectangle is 8 cm more than its width. Its perimeter is 108 cm. What is its width (in cm)?
  8. 8.Solve: m/2 + m/5 = 42. What is m?
  9. 9.A cuboid is 10 cm long, 8 cm wide and 4 cm high. What is its total surface area (in square cm)?
  10. 10.A square garden has an area of 729 square m. How long is each side (in m)?
  11. 11.A cube has a volume of 4096 cubic cm. How long is each edge (in cm)?
  12. 12.Solve: 3n + 12 = 2n + 14. What is n?
  13. 13.Solve: t/5 + t/3 = 56. What is t?
  14. 14.Write 5.6 × 10⁻⁴ as a decimal. =
  15. 15.Solve: 4(y − 5) = y + 37. What is y?
  16. 16.The diagonals of a rhombus are 24 cm and 24 cm. What is its area (in square cm)?
  17. 17.Find the compound interest on ₹55600 at 10% per year for 2 years, compounded every year (in ₹).
  18. 18.Write (3⁹)⁶ as a single power 3ⁿ. What is n?
  19. 19.Which of these is a perfect cube? (a) 89 (b) 96 (c) 64
  20. 20.Write 2.4 × 10⁻¹ as a decimal. =
  21. 21.Each edge of a cube is 14 cm. What is its total surface area (in square cm)?
  22. 22.Which of these is a perfect cube? (a) 1125 (b) 1160 (c) 1000
  23. 23.The sum of four consecutive whole numbers is 46. What is the largest of them?
  24. 24.Solve: p/6 + p/4 = 40. What is p?
  25. 25.The total surface area of a cube is 96 square cm. How long is each edge (in cm)?
  26. 26.Write 2¹¹ ÷ 2⁸ as a single power 2ⁿ. What is n?
  27. 27.A trapezium has an area of 117 square cm. Its parallel sides are 30 cm and 9 cm. What is the distance between them (in cm)?
  28. 28.A father is 42 years older than his son. In 7 years, the father will be four times as old as his son. How old is the son now?
  29. 29.What is the difference between the compound interest and the simple interest on ₹14000 at 5% per year for 2 years (in ₹)?
  30. 30.What is the sum of the first 27 odd numbers (1 + 3 + 5 + …)?
  31. 31.The diagonals of a rhombus are 26 cm and 8 cm. What is its area (in square cm)?
  32. 32.Find the value of x² − y² when x = 13 and y = 6.
  33. 33.Use (a − b)² = a² − 2ab + b² to find 39².
  34. 34.A cube has a volume of 512 cubic cm. How long is each edge (in cm)?
  35. 35.Solve: 6(p − 3) = p + 47. What is p?
  36. 36.Which of these is a perfect square? (a) 177 (b) 180 (c) 169
  37. 37.What is the value of 5⁴ × 5⁻¹? =
  38. 38.What is the sum of the first 18 odd numbers (1 + 3 + 5 + …)?
  39. 39.What is 64²? =
  40. 40.Find the compound interest on ₹42500 at 12% per year for 2 years, compounded every year (in ₹).

Answer key

  1. 38
  2. 61
  3. 174
  4. 1936
  5. 47
  6. 256
  7. 23
  8. 60
  9. 304
  10. 27
  11. 16
  12. 2
  13. 105
  14. 0.00056
  15. 19
  16. 288
  17. 11676
  18. 54
  19. 64
  20. 0.24
  21. 1176
  22. 1000
  23. 13
  24. 96
  25. 4
  26. 3
  27. 6
  28. 7
  29. 35
  30. 729
  31. 104
  32. 133
  33. 1521
  34. 8
  35. 13
  36. 169
  37. 125
  38. 324
  39. 4096
  40. 10812

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