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Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 956 · 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 13³? =
  2. 2.A big cube of edge 8 cm is cut into small cubes of edge 4 cm. How many small cubes are there?
  3. 3.A scooter is worth ₹27200. Its value falls by 5% every year. What will it be worth after 1 year (in ₹)?
  4. 4.What is √8836? =
  5. 5.What is 83²? =
  6. 6.Solve: 9n + 17 = 3n + 53. What is n?
  7. 7.The sum of three consecutive whole numbers is 30. What is the smallest of them?
  8. 8.How many whole numbers lie between 5² and 6²?
  9. 9.The length of a rectangle is 7 cm more than its width. Its perimeter is 122 cm. What is its width (in cm)?
  10. 10.A square garden has an area of 841 square m. How long is each side (in m)?
  11. 11.What is √5776? =
  12. 12.Which of these is a perfect square? (a) 574 (b) 570 (c) 529
  13. 13.Find the value of x² − y² when x = 9 and y = 8.
  14. 14.The sum of four consecutive whole numbers is 114. What is the largest of them?
  15. 15.A trapezium has parallel sides of 11 cm and 29 cm, and the distance between them is 4 cm. What is its area (in square cm)?
  16. 16.Solve: 9y + 16 = 5y + 48. What is y?
  17. 17.Each edge of a cube is 24 cm. What is its total surface area (in square cm)?
  18. 18.The total surface area of a cube is 1734 square cm. How long is each edge (in cm)?
  19. 19.What is the value of (1/3)⁻²? =
  20. 20.Find the value of x² − 2xy + y² when x = 15 and y = 4.
  21. 21.What is the difference between the compound interest and the simple interest on ₹40400 at 5% per year for 2 years (in ₹)?
  22. 22.A father is 54 years older than his son. In 6 years, the father will be four times as old as his son. How old is the son now?
  23. 23.Find the value of x² + 2xy + y² when x = 3 and y = 2.
  24. 24.The sum of two consecutive whole numbers is 17. What is the largest of them?
  25. 25.What is the difference between the compound interest and the simple interest on ₹17500 at 4% per year for 2 years (in ₹)?
  26. 26.The sum of two consecutive whole numbers is 103. What is the largest of them?
  27. 27.A town has 52100 people. The population grows by 25% every year. What will the population be after 1 year?
  28. 28.Solve: 5t + 16 = 4t + 17. What is t?
  29. 29.A trapezium has an area of 198 square cm. Its parallel sides are 21 cm and 15 cm. What is the distance between them (in cm)?
  30. 30.How many whole numbers lie between 13² and 14²?
  31. 31.A square garden has an area of 2916 square m. How long is each side (in m)?
  32. 32.Write (6²)⁵ as a single power 6ⁿ. What is n?
  33. 33.A cuboid is 14 cm long, 9 cm wide and 10 cm high. What is its total surface area (in square cm)?
  34. 34.What is the value of 5²? =
  35. 35.What is the value of 10⁴ × 10⁻⁴? =
  36. 36.What is the difference between the compound interest and the simple interest on ₹2800 at 15% per year for 2 years (in ₹)?
  37. 37.What is the value of 2³? =
  38. 38.What is the value of 3⁻⁵ (as a fraction)? =
  39. 39.What is the smallest whole number by which 96 must be divided to get a perfect square?
  40. 40.A square garden has an area of 1764 square m. How long is each side (in m)?

Answer key

  1. 2197
  2. 8
  3. 25840
  4. 94
  5. 6889
  6. 6
  7. 9
  8. 10
  9. 27
  10. 29
  11. 76
  12. 529
  13. 17
  14. 30
  15. 80
  16. 8
  17. 3456
  18. 17
  19. 9
  20. 121
  21. 101
  22. 12
  23. 25
  24. 9
  25. 28
  26. 52
  27. 65125
  28. 1
  29. 11
  30. 26
  31. 54
  32. 10
  33. 712
  34. 25
  35. 1
  36. 63
  37. 8
  38. 1/243
  39. 6
  40. 42

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