← Class 8 final maths test lesson New set →

Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 998 · 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.Use (a − b)² = a² − 2ab + b² to find 85².
  2. 2.A big cube of edge 10 cm is cut into small cubes of edge 2 cm. How many small cubes are there?
  3. 3.Use (a + b)² = a² + 2ab + b² to find 93².
  4. 4.A trapezium has an area of 51 square cm. Its parallel sides are 23 cm and 11 cm. What is the distance between them (in cm)?
  5. 5.Solve: 6(p − 1) = p + 29. What is p?
  6. 6.The length of a rectangle is 12 cm more than its width. Its perimeter is 144 cm. What is its width (in cm)?
  7. 7.Which of these is a perfect cube? (a) 657 (b) 512 (c) 526
  8. 8.Write 7⁵ × 7⁴ as a single power 7ⁿ. What is n?
  9. 9.What is √4489? =
  10. 10.A town has 15000 people. The population grows by 12% every year. What will the population be after 2 years?
  11. 11.6.3 × 10² =
  12. 12.Solve: 6(y − 1) = 3y + 3. What is y?
  13. 13.Which of these is a perfect square? (a) 1131 (b) 1096 (c) 1089
  14. 14.A room is 4 m long, 3 m wide and 4 m high. What is the area of its four walls (in square m)?
  15. 15.What is √784? =
  16. 16.Use (a − b)² = a² − 2ab + b² to find 44².
  17. 17.How many whole numbers lie between 37² and 38²?
  18. 18.What is 6³? =
  19. 19.Which of these is a perfect square? (a) 678 (b) 728 (c) 676
  20. 20.A trapezium has parallel sides of 6 cm and 16 cm, and the distance between them is 7 cm. What is its area (in square cm)?
  21. 21.Write 4.2 × 10⁻¹ as a decimal. =
  22. 22.What is the sum of the first 12 odd numbers (1 + 3 + 5 + …)?
  23. 23.Which of these is a perfect square? (a) 652 (b) 625 (c) 634
  24. 24.The total surface area of a cube is 2166 square cm. How long is each edge (in cm)?
  25. 25.A room is 9 m long, 8 m wide and 5 m high. What is the area of its four walls (in square m)?
  26. 26.A room is 3 m long, 6 m wide and 3 m high. What is the area of its four walls (in square m)?
  27. 27.What is the sum of the first 16 odd numbers (1 + 3 + 5 + …)?
  28. 28.What is the value of 10³ × 10⁻⁴? =
  29. 29.How many whole numbers lie between 11² and 12²?
  30. 30.A father is 14 years older than his son. In 5 years, the father will be twice as old as his son. How old is the son now?
  31. 31.The sum of four consecutive whole numbers is 222. What is the smallest of them?
  32. 32.How many whole numbers lie between 47² and 48²?
  33. 33.Write 690 in standard form as 6.9 × 10ⁿ. What is n?
  34. 34.What is ∛12167? =
  35. 35.What is 86²? =
  36. 36.What is ∛2744? =
  37. 37.A cube has a volume of 512 cubic cm. How long is each edge (in cm)?
  38. 38.What is the value of 5¹ × 5⁻⁵? =
  39. 39.What is the value of 8⁻² (as a fraction)? =
  40. 40.What is 30²? =

Answer key

  1. 7225
  2. 125
  3. 8649
  4. 3
  5. 7
  6. 30
  7. 512
  8. 9
  9. 67
  10. 18816
  11. 630
  12. 3
  13. 1089
  14. 56
  15. 28
  16. 1936
  17. 74
  18. 216
  19. 676
  20. 77
  21. 0.42
  22. 144
  23. 625
  24. 19
  25. 170
  26. 54
  27. 256
  28. 1/10
  29. 22
  30. 9
  31. 54
  32. 94
  33. 2
  34. 23
  35. 7396
  36. 14
  37. 8
  38. 1/625
  39. 1/64
  40. 900

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