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Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 581 · 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 3⁵? =
  2. 2.What is 94²? =
  3. 3.Solve: p/6 + p/5 = 77. What is p?
  4. 4.Find the compound interest on ₹12000 at 10% per year for 1 year, compounded every year (in ₹).
  5. 5.8.2 × 10⁵ =
  6. 6.A cube has a volume of 1000 cubic cm. How long is each edge (in cm)?
  7. 7.Use a² − b² = (a + b)(a − b) to find 32² − 9².
  8. 8.What is the value of 2² × 2⁻¹? =
  9. 9.What is the smallest whole number by which 2 must be multiplied to get a perfect cube?
  10. 10.Solve: 6(y − 1) = 2y + 18. What is y?
  11. 11.Which of these is a perfect cube? (a) 2488 (b) 2197 (c) 2476
  12. 12.The sum of four consecutive whole numbers is 162. What is the smallest of them?
  13. 13.What is the value of 2¹⁵? =
  14. 14.The diagonals of a rhombus are 8 cm and 28 cm. What is its area (in square cm)?
  15. 15.What is the value of 2⁵? =
  16. 16.Which of these is a perfect square? (a) 720 (b) 676 (c) 702
  17. 17.What is √2304? =
  18. 18.What is √5776? =
  19. 19.What amount will ₹44400 grow to in 2 years at 20% per year compound interest (in ₹)?
  20. 20.What is the smallest whole number by which 72 must be multiplied to get a perfect square?
  21. 21.A scooter is worth ₹9400. Its value falls by 15% every year. What will it be worth after 1 year (in ₹)?
  22. 22.A cube has a volume of 1331 cubic cm. How long is each edge (in cm)?
  23. 23.What amount will ₹32800 grow to in 2 years at 5% per year compound interest (in ₹)?
  24. 24.Which of these is a perfect square? (a) 1545 (b) 1521 (c) 1538
  25. 25.What is 16²? =
  26. 26.How many whole numbers lie between 27² and 28²?
  27. 27.Use (a + b)² = a² + 2ab + b² to find 101².
  28. 28.Write 2.5 × 10⁻¹ as a decimal. =
  29. 29.What amount will ₹38400 grow to in 1 year at 25% per year compound interest (in ₹)?
  30. 30.Solve: t/4 + t/6 = 30. What is t?
  31. 31.What is √676? =
  32. 32.What is the difference between the compound interest and the simple interest on ₹5000 at 8% per year for 2 years (in ₹)?
  33. 33.What is the smallest whole number by which 96 must be multiplied to get a perfect square?
  34. 34.A trapezium has an area of 198 square cm. Its parallel sides are 19 cm and 17 cm. What is the distance between them (in cm)?
  35. 35.A square garden has an area of 3025 square m. How long is each side (in m)?
  36. 36.Solve: 6(x − 4) = 3x + 15. What is x?
  37. 37.Use (a + b)(a − b) = a² − b² to find 101 × 99.
  38. 38.A square garden has an area of 1681 square m. How long is each side (in m)?
  39. 39.A trapezium has parallel sides of 5 cm and 17 cm, and the distance between them is 8 cm. What is its area (in square cm)?
  40. 40.How many whole numbers lie between 9² and 10²?

Answer key

  1. 243
  2. 8836
  3. 210
  4. 1200
  5. 820000
  6. 10
  7. 943
  8. 2
  9. 4
  10. 6
  11. 2197
  12. 39
  13. 32768
  14. 112
  15. 32
  16. 676
  17. 48
  18. 76
  19. 63936
  20. 2
  21. 7990
  22. 11
  23. 36162
  24. 1521
  25. 256
  26. 54
  27. 10201
  28. 0.25
  29. 48000
  30. 72
  31. 26
  32. 32
  33. 6
  34. 11
  35. 55
  36. 13
  37. 9999
  38. 41
  39. 88
  40. 18

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