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Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 963 · 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.Solve: 9m + 5 = 3m + 17. What is m?
  2. 2.Write 9⁸ ÷ 9⁵ as a single power 9ⁿ. What is n?
  3. 3.Write 8.1 × 10⁻¹ as a decimal. =
  4. 4.Solve: 4x + 13 = x + 40. What is x?
  5. 5.What is the value of 3⁶ × 3⁻⁶? =
  6. 6.Each edge of a cube is 23 cm. What is its total surface area (in square cm)?
  7. 7.The total surface area of a cube is 726 square cm. How long is each edge (in cm)?
  8. 8.Solve: y/5 + y/2 = 56. What is y?
  9. 9.Use a² − b² = (a + b)(a − b) to find 84² − 55².
  10. 10.What is the value of 5¹ × 5⁻⁵? =
  11. 11.Use (a + b)(a − b) = a² − b² to find 24 × 16.
  12. 12.The total surface area of a cube is 54 square cm. How long is each edge (in cm)?
  13. 13.What is √484? =
  14. 14.A big cube of edge 3 cm is cut into small cubes of edge 1 cm. How many small cubes are there?
  15. 15.What is the smallest whole number by which 567 must be multiplied to get a perfect square?
  16. 16.A trapezium has parallel sides of 12 cm and 4 cm, and the distance between them is 9 cm. What is its area (in square cm)?
  17. 17.A big cube of edge 9 cm is cut into small cubes of edge 3 cm. How many small cubes are there?
  18. 18.Write 5.7 × 10⁻¹ as a decimal. =
  19. 19.The length of a rectangle is 11 cm more than its width. Its perimeter is 78 cm. What is its width (in cm)?
  20. 20.Use a² − b² = (a + b)(a − b) to find 93² − 13².
  21. 21.What is ∛5832? =
  22. 22.Solve: 4p + 8 = p + 26. What is p?
  23. 23.What is the value of 7⁻³ (as a fraction)? =
  24. 24.Write 8.4 × 10⁻⁴ as a decimal. =
  25. 25.What is the smallest whole number by which 45 must be multiplied to get a perfect square?
  26. 26.The length of a rectangle is 5 cm more than its width. Its perimeter is 18 cm. What is its width (in cm)?
  27. 27.Solve: 4(n − 1) = 3n + 3. What is n?
  28. 28.Find the compound interest on ₹52400 at 15% per year for 1 year, compounded every year (in ₹).
  29. 29.The length of a rectangle is 7 cm more than its width. Its perimeter is 54 cm. What is its width (in cm)?
  30. 30.Which of these is a perfect square? (a) 676 (b) 698 (c) 726
  31. 31.Solve: 6(x − 4) = 4x + 8. What is x?
  32. 32.Write 4.7 × 10⁻¹ as a decimal. =
  33. 33.A square garden has an area of 3249 square m. How long is each side (in m)?
  34. 34.The length of a rectangle is 4 cm more than its width. Its perimeter is 76 cm. What is its width (in cm)?
  35. 35.A room is 11 m long, 3 m wide and 4 m high. What is the area of its four walls (in square m)?
  36. 36.A cuboid is 10 cm long, 4 cm wide and 10 cm high. What is its total surface area (in square cm)?
  37. 37.Use (a − b)² = a² − 2ab + b² to find 66².
  38. 38.A trapezium has parallel sides of 23 cm and 25 cm, and the distance between them is 20 cm. What is its area (in square cm)?
  39. 39.What is ∛9261? =
  40. 40.What is the value of 3⁵ × 3⁻⁵? =

Answer key

  1. 2
  2. 3
  3. 0.81
  4. 9
  5. 1
  6. 3174
  7. 11
  8. 80
  9. 4031
  10. 1/625
  11. 384
  12. 3
  13. 22
  14. 27
  15. 7
  16. 72
  17. 27
  18. 0.57
  19. 14
  20. 8480
  21. 18
  22. 6
  23. 1/343
  24. 0.00084
  25. 5
  26. 2
  27. 7
  28. 7860
  29. 10
  30. 676
  31. 16
  32. 0.47
  33. 57
  34. 17
  35. 112
  36. 360
  37. 4356
  38. 480
  39. 21
  40. 1

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