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Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 935 · 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 2¹²? =
  2. 2.How many whole numbers lie between 17² and 18²?
  3. 3.A father is 5 years older than his son. In 2 years, the father will be twice as old as his son. How old is the son now?
  4. 4.The sum of four consecutive whole numbers is 62. What is the largest of them?
  5. 5.A scooter is worth ₹42200. Its value falls by 25% every year. What will it be worth after 1 year (in ₹)?
  6. 6.Use a² − b² = (a + b)(a − b) to find 96² − 90².
  7. 7.A cuboid is 6 cm long, 3 cm wide and 8 cm high. What is its total surface area (in square cm)?
  8. 8.A big cube of edge 3 cm is cut into small cubes of edge 1 cm. How many small cubes are there?
  9. 9.What is 18³? =
  10. 10.Solve: 7y + 15 = y + 39. What is y?
  11. 11.A big cube of edge 18 cm is cut into small cubes of edge 3 cm. How many small cubes are there?
  12. 12.A big cube of edge 16 cm is cut into small cubes of edge 4 cm. How many small cubes are there?
  13. 13.Write 3⁶ × 3⁴ as a single power 3ⁿ. What is n?
  14. 14.Which of these is a perfect square? (a) 772 (b) 729 (c) 768
  15. 15.What is the value of 5⁻³ (as a fraction)? =
  16. 16.Solve: 6(t − 3) = 4t + 20. What is t?
  17. 17.Use (a − b)² = a² − 2ab + b² to find 54².
  18. 18.What is the smallest whole number by which 504 must be divided to get a perfect square?
  19. 19.How many whole numbers lie between 10² and 11²?
  20. 20.A square garden has an area of 1936 square m. How long is each side (in m)?
  21. 21.Solve: m/6 + m/2 = 24. What is m?
  22. 22.How many whole numbers lie between 45² and 46²?
  23. 23.3.7 × 10⁷ =
  24. 24.1.8 × 10² =
  25. 25.Which of these is a perfect cube? (a) 898 (b) 729 (c) 797
  26. 26.A trapezium has an area of 51 square cm. Its parallel sides are 26 cm and 8 cm. What is the distance between them (in cm)?
  27. 27.What is the difference between the compound interest and the simple interest on ₹60000 at 8% per year for 2 years (in ₹)?
  28. 28.What is the difference between the compound interest and the simple interest on ₹26100 at 20% per year for 2 years (in ₹)?
  29. 29.What is ∛9261? =
  30. 30.How many whole numbers lie between 11² and 12²?
  31. 31.Write 3¹⁷ ÷ 3⁸ as a single power 3ⁿ. What is n?
  32. 32.Find the compound interest on ₹25200 at 8% per year for 1 year, compounded every year (in ₹).
  33. 33.Solve: n/5 + n/2 = 28. What is n?
  34. 34.What is 16³? =
  35. 35.Which of these is a perfect square? (a) 592 (b) 580 (c) 576
  36. 36.Write (4⁹)⁵ as a single power 4ⁿ. What is n?
  37. 37.Solve: x/4 + x/6 = 40. What is x?
  38. 38.What is the value of 3⁻⁵ (as a fraction)? =
  39. 39.How many whole numbers lie between 8² and 9²?
  40. 40.What is the value of 10²? =

Answer key

  1. 4096
  2. 34
  3. 3
  4. 17
  5. 31650
  6. 1116
  7. 180
  8. 27
  9. 5832
  10. 4
  11. 216
  12. 64
  13. 10
  14. 729
  15. 1/125
  16. 19
  17. 2916
  18. 14
  19. 20
  20. 44
  21. 36
  22. 90
  23. 37000000
  24. 180
  25. 729
  26. 3
  27. 384
  28. 1044
  29. 21
  30. 22
  31. 9
  32. 2016
  33. 40
  34. 4096
  35. 576
  36. 45
  37. 96
  38. 1/243
  39. 16
  40. 100

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