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Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 392 · 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 difference between the compound interest and the simple interest on ₹10000 at 4% per year for 2 years (in ₹)?
  2. 2.How many whole numbers lie between 19² and 20²?
  3. 3.What is √1156? =
  4. 4.A square garden has an area of 900 square m. How long is each side (in m)?
  5. 5.What is the smallest whole number by which 350 must be multiplied to get a perfect square?
  6. 6.How many whole numbers lie between 9² and 10²?
  7. 7.Which of these is a perfect square? (a) 937 (b) 927 (c) 900
  8. 8.A trapezium has an area of 132 square cm. Its parallel sides are 24 cm and 9 cm. What is the distance between them (in cm)?
  9. 9.Solve: 9p + 17 = 7p + 25. What is p?
  10. 10.What is the sum of the first 20 odd numbers (1 + 3 + 5 + …)?
  11. 11.Use (a − b)² = a² − 2ab + b² to find 56².
  12. 12.The diagonals of a rhombus are 10 cm and 25 cm. What is its area (in square cm)?
  13. 13.The sum of three consecutive whole numbers is 45. What is the smallest of them?
  14. 14.Which of these is a perfect square? (a) 1578 (b) 1521 (c) 1527
  15. 15.What is the value of 3¹⁰? =
  16. 16.Which of these is a perfect square? (a) 138 (b) 121 (c) 124
  17. 17.Find the value of x² − y² when x = 3 and y = 1.
  18. 18.A trapezium has an area of 272 square cm. Its parallel sides are 28 cm and 4 cm. What is the distance between them (in cm)?
  19. 19.What is the smallest whole number by which 216 must be multiplied to get a perfect square?
  20. 20.The sum of four consecutive whole numbers is 130. What is the smallest of them?
  21. 21.What amount will ₹17300 grow to in 1 year at 25% per year compound interest (in ₹)?
  22. 22.What is the value of 3⁷? =
  23. 23.How many whole numbers lie between 6² and 7²?
  24. 24.A town has 52400 people. The population grows by 10% every year. What will the population be after 1 year?
  25. 25.How many whole numbers lie between 17² and 18²?
  26. 26.A trapezium has parallel sides of 8 cm and 20 cm, and the distance between them is 19 cm. What is its area (in square cm)?
  27. 27.What is the sum of the first 13 odd numbers (1 + 3 + 5 + …)?
  28. 28.Which of these is a perfect cube? (a) 174 (b) 131 (c) 125
  29. 29.What is the difference between the compound interest and the simple interest on ₹53800 at 10% per year for 2 years (in ₹)?
  30. 30.Find the value of x² − y² when x = 6 and y = 1.
  31. 31.A square garden has an area of 3600 square m. How long is each side (in m)?
  32. 32.The sum of four consecutive whole numbers is 106. What is the smallest of them?
  33. 33.What is the value of 10⁴ × 10⁻³? =
  34. 34.Use a² − b² = (a + b)(a − b) to find 62² − 46².
  35. 35.What is 28²? =
  36. 36.What is √3481? =
  37. 37.What is the difference between the compound interest and the simple interest on ₹55300 at 20% per year for 2 years (in ₹)?
  38. 38.A trapezium has an area of 124 square cm. Its parallel sides are 7 cm and 24 cm. What is the distance between them (in cm)?
  39. 39.Use (a + b)(a − b) = a² − b² to find 65 × 55.
  40. 40.What is the difference between the compound interest and the simple interest on ₹25000 at 8% per year for 2 years (in ₹)?

Answer key

  1. 16
  2. 38
  3. 34
  4. 30
  5. 14
  6. 18
  7. 900
  8. 8
  9. 4
  10. 400
  11. 3136
  12. 125
  13. 14
  14. 1521
  15. 59049
  16. 121
  17. 8
  18. 17
  19. 6
  20. 31
  21. 21625
  22. 2187
  23. 12
  24. 57640
  25. 34
  26. 266
  27. 169
  28. 125
  29. 538
  30. 35
  31. 60
  32. 25
  33. 10
  34. 1728
  35. 784
  36. 59
  37. 2212
  38. 8
  39. 3575
  40. 160

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