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Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 579 · 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.What is 8³? =
  2. 2.A cube has a volume of 125 cubic cm. How long is each edge (in cm)?
  3. 3.What is the sum of the first 18 odd numbers (1 + 3 + 5 + …)?
  4. 4.What is the difference between the compound interest and the simple interest on ₹47500 at 4% per year for 2 years (in ₹)?
  5. 5.What is the sum of the first 23 odd numbers (1 + 3 + 5 + …)?
  6. 6.2.8 × 10⁶ =
  7. 7.A square garden has an area of 361 square m. How long is each side (in m)?
  8. 8.7.4 × 10⁷ =
  9. 9.What is 3³? =
  10. 10.What is √1444? =
  11. 11.What is ∛512? =
  12. 12.Solve: 5p + 11 = 2p + 23. What is p?
  13. 13.A trapezium has parallel sides of 29 cm and 26 cm, and the distance between them is 16 cm. What is its area (in square cm)?
  14. 14.A cube has a volume of 1728 cubic cm. How long is each edge (in cm)?
  15. 15.What is the value of 2⁴ × 2⁻³? =
  16. 16.A father is 9 years older than his son. In 3 years, the father will be twice as old as his son. How old is the son now?
  17. 17.6.8 × 10⁴ =
  18. 18.A big cube of edge 6 cm is cut into small cubes of edge 3 cm. How many small cubes are there?
  19. 19.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?
  20. 20.What is 36²? =
  21. 21.The sum of two consecutive whole numbers is 105. What is the smallest of them?
  22. 22.Solve: t/6 + t/2 = 12. What is t?
  23. 23.The length of a rectangle is 14 cm more than its width. Its perimeter is 80 cm. What is its width (in cm)?
  24. 24.The diagonals of a rhombus are 10 cm and 5 cm. What is its area (in square cm)?
  25. 25.What amount will ₹22500 grow to in 2 years at 12% per year compound interest (in ₹)?
  26. 26.How many whole numbers lie between 17² and 18²?
  27. 27.Use (a + b)(a − b) = a² − b² to find 41 × 39.
  28. 28.What is the smallest whole number by which 2 must be multiplied to get a perfect cube?
  29. 29.Solve: 9p + 2 = 4p + 27. What is p?
  30. 30.If a + b = 11 and ab = 28, what is a² + b²?
  31. 31.What is 81²? =
  32. 32.What is √1225? =
  33. 33.What is the value of 7²? =
  34. 34.What is √4900? =
  35. 35.A room is 10 m long, 6 m wide and 4 m high. What is the area of its four walls (in square m)?
  36. 36.A father is 10 years older than his son. In 7 years, the father will be twice as old as his son. How old is the son now?
  37. 37.Write 3,100 in standard form as 3.1 × 10ⁿ. What is n?
  38. 38.What is the value of 10² × 10⁻⁵? =
  39. 39.What is the value of 2⁻⁵ (as a fraction)? =
  40. 40.What is the value of 2¹²? =

Answer key

  1. 512
  2. 5
  3. 324
  4. 76
  5. 529
  6. 2800000
  7. 19
  8. 74000000
  9. 27
  10. 38
  11. 8
  12. 4
  13. 440
  14. 12
  15. 2
  16. 6
  17. 68000
  18. 8
  19. 3
  20. 1296
  21. 52
  22. 18
  23. 13
  24. 25
  25. 28224
  26. 34
  27. 1599
  28. 4
  29. 5
  30. 65
  31. 6561
  32. 35
  33. 49
  34. 70
  35. 128
  36. 3
  37. 3
  38. 1/1000
  39. 1/32
  40. 4096

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