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Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 582 · 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.How many whole numbers lie between 16² and 17²?
  2. 2.What is the value of 8⁴? =
  3. 3.A trapezium has an area of 48 square cm. Its parallel sides are 21 cm and 11 cm. What is the distance between them (in cm)?
  4. 4.The total surface area of a cube is 486 square cm. How long is each edge (in cm)?
  5. 5.The diagonals of a rhombus are 8 cm and 8 cm. What is its area (in square cm)?
  6. 6.How many whole numbers lie between 13² and 14²?
  7. 7.What is √9216? =
  8. 8.What is √1681? =
  9. 9.A big cube of edge 2 cm is cut into small cubes of edge 1 cm. How many small cubes are there?
  10. 10.What is √4761? =
  11. 11.A town has 3100 people. The population grows by 8% every year. What will the population be after 1 year?
  12. 12.What amount will ₹28800 grow to in 2 years at 25% per year compound interest (in ₹)?
  13. 13.What is the difference between the compound interest and the simple interest on ₹12500 at 12% per year for 2 years (in ₹)?
  14. 14.Find the compound interest on ₹37100 at 5% per year for 1 year, compounded every year (in ₹).
  15. 15.Use (a − b)² = a² − 2ab + b² to find 93².
  16. 16.Solve: 5(y − 4) = y + 24. What is y?
  17. 17.What amount will ₹21900 grow to in 2 years at 10% per year compound interest (in ₹)?
  18. 18.What is √225? =
  19. 19.What amount will ₹24500 grow to in 2 years at 10% per year compound interest (in ₹)?
  20. 20.A cube has a volume of 1000 cubic cm. How long is each edge (in cm)?
  21. 21.What amount will ₹2100 grow to in 1 year at 20% per year compound interest (in ₹)?
  22. 22.Which of these is a perfect cube? (a) 286 (b) 216 (c) 221
  23. 23.A trapezium has parallel sides of 30 cm and 29 cm, and the distance between them is 4 cm. What is its area (in square cm)?
  24. 24.Each edge of a cube is 7 cm. What is its total surface area (in square cm)?
  25. 25.Use (a − b)² = a² − 2ab + b² to find 41².
  26. 26.Find the compound interest on ₹24000 at 15% per year for 3 years, compounded every year (in ₹).
  27. 27.Write 4¹⁶ ÷ 4⁷ as a single power 4ⁿ. What is n?
  28. 28.Write 1.3 × 10⁻⁴ as a decimal. =
  29. 29.A square garden has an area of 2704 square m. How long is each side (in m)?
  30. 30.The total surface area of a cube is 1536 square cm. How long is each edge (in cm)?
  31. 31.What is √729? =
  32. 32.What is √5476? =
  33. 33.Use a² − b² = (a + b)(a − b) to find 30² − 10².
  34. 34.What is 58²? =
  35. 35.What is the sum of the first 14 odd numbers (1 + 3 + 5 + …)?
  36. 36.A trapezium has an area of 112 square cm. Its parallel sides are 9 cm and 5 cm. What is the distance between them (in cm)?
  37. 37.Which of these is a perfect cube? (a) 1000 (b) 1012 (c) 1210
  38. 38.A square garden has an area of 2601 square m. How long is each side (in m)?
  39. 39.A father is 26 years older than his son. In 5 years, the father will be three times as old as his son. How old is the son now?
  40. 40.Find the compound interest on ₹38400 at 5% per year for 2 years, compounded every year (in ₹).

Answer key

  1. 32
  2. 4096
  3. 3
  4. 9
  5. 32
  6. 26
  7. 96
  8. 41
  9. 8
  10. 69
  11. 3348
  12. 45000
  13. 180
  14. 1855
  15. 8649
  16. 11
  17. 26499
  18. 15
  19. 29645
  20. 10
  21. 2520
  22. 216
  23. 118
  24. 294
  25. 1681
  26. 12501
  27. 9
  28. 0.00013
  29. 52
  30. 16
  31. 27
  32. 74
  33. 800
  34. 3364
  35. 196
  36. 16
  37. 1000
  38. 51
  39. 8
  40. 3936

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