← Class 8 final maths test lesson New set →

Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 716 · 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 the value of 2⁶? =
  2. 2.Find the compound interest on ₹49600 at 25% per year for 3 years, compounded every year (in ₹).
  3. 3.A big cube of edge 16 cm is cut into small cubes of edge 4 cm. How many small cubes are there?
  4. 4.Solve: t/5 + t/6 = 11. What is t?
  5. 5.Use (a + b)(a − b) = a² − b² to find 25 × 15.
  6. 6.The diagonals of a rhombus are 26 cm and 3 cm. What is its area (in square cm)?
  7. 7.The sum of two consecutive whole numbers is 19. What is the smallest of them?
  8. 8.What is 40²? =
  9. 9.What is the smallest whole number by which 648 must be divided to get a perfect cube?
  10. 10.How many whole numbers lie between 36² and 37²?
  11. 11.A cuboid is 12 cm long, 7 cm wide and 4 cm high. What is its total surface area (in square cm)?
  12. 12.A trapezium has parallel sides of 5 cm and 4 cm, and the distance between them is 14 cm. What is its area (in square cm)?
  13. 13.The sum of four consecutive whole numbers is 198. What is the largest of them?
  14. 14.Find the compound interest on ₹30600 at 5% per year for 1 year, compounded every year (in ₹).
  15. 15.The diagonals of a rhombus are 4 cm and 23 cm. What is its area (in square cm)?
  16. 16.Write 2⁵ ÷ 2² as a single power 2ⁿ. What is n?
  17. 17.Each edge of a cube is 6 cm. What is its total surface area (in square cm)?
  18. 18.A square garden has an area of 2209 square m. How long is each side (in m)?
  19. 19.What is 14³? =
  20. 20.Each edge of a cube is 7 cm. What is its total surface area (in square cm)?
  21. 21.Use (a + b)(a − b) = a² − b² to find 107 × 93.
  22. 22.Use (a + b)² = a² + 2ab + b² to find 93².
  23. 23.A cuboid is 7 cm long, 4 cm wide and 3 cm high. What is its total surface area (in square cm)?
  24. 24.Use (a + b)(a − b) = a² − b² to find 87 × 73.
  25. 25.Write 1.2 × 10⁻¹ as a decimal. =
  26. 26.What is ∛1728? =
  27. 27.A square garden has an area of 2704 square m. How long is each side (in m)?
  28. 28.What amount will ₹45000 grow to in 2 years at 12% per year compound interest (in ₹)?
  29. 29.A trapezium has parallel sides of 5 cm and 30 cm, and the distance between them is 18 cm. What is its area (in square cm)?
  30. 30.A town has 2500 people. The population grows by 4% every year. What will the population be after 2 years?
  31. 31.Write 7,700 in standard form as 7.7 × 10ⁿ. What is n?
  32. 32.A cuboid is 11 cm long, 6 cm wide and 3 cm high. What is its total surface area (in square cm)?
  33. 33.What is 31²? =
  34. 34.What is the value of 6⁵? =
  35. 35.A trapezium has an area of 216 square cm. Its parallel sides are 23 cm and 4 cm. What is the distance between them (in cm)?
  36. 36.Which of these is a perfect square? (a) 798 (b) 784 (c) 799
  37. 37.A square garden has an area of 225 square m. How long is each side (in m)?
  38. 38.How many whole numbers lie between 49² and 50²?
  39. 39.How many whole numbers lie between 34² and 35²?
  40. 40.A big cube of edge 8 cm is cut into small cubes of edge 2 cm. How many small cubes are there?

Answer key

  1. 64
  2. 47275
  3. 64
  4. 30
  5. 375
  6. 39
  7. 9
  8. 1600
  9. 3
  10. 72
  11. 320
  12. 63
  13. 51
  14. 1530
  15. 46
  16. 3
  17. 216
  18. 47
  19. 2744
  20. 294
  21. 9951
  22. 8649
  23. 122
  24. 6351
  25. 0.12
  26. 12
  27. 52
  28. 56448
  29. 315
  30. 2704
  31. 3
  32. 234
  33. 961
  34. 7776
  35. 16
  36. 784
  37. 15
  38. 98
  39. 68
  40. 64

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