← Class 8 final maths test lesson New set →

Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 797 · 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: 6x + 17 = 2x + 25. What is x?
  2. 2.A room is 9 m long, 5 m wide and 3 m high. What is the area of its four walls (in square m)?
  3. 3.The length of a rectangle is 1 cm more than its width. Its perimeter is 10 cm. What is its width (in cm)?
  4. 4.Use (a − b)² = a² − 2ab + b² to find 46².
  5. 5.What is 37²? =
  6. 6.Solve: 9x + 10 = 5x + 14. What is x?
  7. 7.The length of a rectangle is 9 cm more than its width. Its perimeter is 78 cm. What is its width (in cm)?
  8. 8.What is √1681? =
  9. 9.A cube has a volume of 343 cubic cm. How long is each edge (in cm)?
  10. 10.What amount will ₹60000 grow to in 2 years at 12% per year compound interest (in ₹)?
  11. 11.A square garden has an area of 1444 square m. How long is each side (in m)?
  12. 12.Use a² − b² = (a + b)(a − b) to find 20² − 18².
  13. 13.The diagonals of a rhombus are 18 cm and 8 cm. What is its area (in square cm)?
  14. 14.What is the value of 5⁶? =
  15. 15.A trapezium has an area of 221 square cm. Its parallel sides are 4 cm and 22 cm. What is the distance between them (in cm)?
  16. 16.A room is 4 m long, 8 m wide and 3 m high. What is the area of its four walls (in square m)?
  17. 17.A square garden has an area of 1764 square m. How long is each side (in m)?
  18. 18.Use a² − b² = (a + b)(a − b) to find 66² − 3².
  19. 19.Solve: 3t + 11 = 2t + 12. What is t?
  20. 20.Use (a + b)(a − b) = a² − b² to find 82 × 78.
  21. 21.How many whole numbers lie between 48² and 49²?
  22. 22.Use (a + b)² = a² + 2ab + b² to find 37².
  23. 23.A cube has a volume of 1331 cubic cm. How long is each edge (in cm)?
  24. 24.A room is 8 m long, 8 m wide and 5 m high. What is the area of its four walls (in square m)?
  25. 25.What amount will ₹10800 grow to in 2 years at 25% per year compound interest (in ₹)?
  26. 26.The length of a rectangle is 10 cm more than its width. Its perimeter is 44 cm. What is its width (in cm)?
  27. 27.What is the value of 6⁴? =
  28. 28.Write 1,90,000 in standard form as 1.9 × 10ⁿ. What is n?
  29. 29.Write 7¹⁶ ÷ 7⁸ as a single power 7ⁿ. What is n?
  30. 30.Use a² − b² = (a + b)(a − b) to find 27² − 25².
  31. 31.What amount will ₹27600 grow to in 1 year at 5% per year compound interest (in ₹)?
  32. 32.What is 20²? =
  33. 33.What is the value of 10²? =
  34. 34.Each edge of a cube is 21 cm. What is its total surface area (in square cm)?
  35. 35.Which of these is a perfect cube? (a) 40 (b) 27 (c) 37
  36. 36.What is the smallest whole number by which 539 must be multiplied to get a perfect square?
  37. 37.What is √2116? =
  38. 38.What is the value of 5⁴? =
  39. 39.A father is 34 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.What is 25²? =

Answer key

  1. 2
  2. 84
  3. 2
  4. 2116
  5. 1369
  6. 1
  7. 15
  8. 41
  9. 7
  10. 75264
  11. 38
  12. 76
  13. 72
  14. 15625
  15. 17
  16. 72
  17. 42
  18. 4347
  19. 1
  20. 6396
  21. 96
  22. 1369
  23. 11
  24. 160
  25. 16875
  26. 6
  27. 1296
  28. 5
  29. 8
  30. 104
  31. 28980
  32. 400
  33. 100
  34. 2646
  35. 27
  36. 11
  37. 46
  38. 625
  39. 12
  40. 625

Free maths worksheets lessons, practice and worksheets at talentjr.in/maths-worksheets