Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 563 · 40 sums

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.

1. 1.A town has 20900 people. The population grows by 10% every year. What will the population be after 2 years?
2. 2.Use (a + b)² = a² + 2ab + b² to find 99².
3. 3.Solve: 5(n − 5) = n + 43. What is n?
4. 4.1.7 × 10² =
5. 5.The total surface area of a cube is 1014 square cm. How long is each edge (in cm)?
6. 6.What is the value of 7⁴? =
7. 7.Write 6.6 × 10⁻² as a decimal. =
8. 8.A trapezium has an area of 392 square cm. Its parallel sides are 21 cm and 28 cm. What is the distance between them (in cm)?
9. 9.What is √2601? =
10. 10.What is 65²? =
11. 11.What is the value of 2⁻⁵ (as a fraction)? =
12. 12.A cuboid is 11 cm long, 12 cm wide and 5 cm high. What is its total surface area (in square cm)?
13. 13.What is 7³? =
14. 14.What is √3844? =
15. 15.What is the value of (4/7)⁻¹? =
16. 16.How many whole numbers lie between 35² and 36²?
17. 17.Solve: 4x + 1 = 2x + 25. What is x?
18. 18.What is the difference between the compound interest and the simple interest on ₹15700 at 20% per year for 2 years (in ₹)?
19. 19.What is 74²? =
20. 20.What is the value of 2¹¹? =
21. 21.Find the compound interest on ₹57200 at 15% per year for 2 years, compounded every year (in ₹).
22. 22.What is √2025? =
23. 23.4.7 × 10⁷ =
24. 24.Use a² − b² = (a + b)(a − b) to find 95² − 80².
25. 25.What is the value of 2¹⁴? =
26. 26.A square garden has an area of 576 square m. How long is each side (in m)?
27. 27.The sum of three consecutive whole numbers is 36. What is the largest of them?
28. 28.What amount will ₹56000 grow to in 3 years at 15% per year compound interest (in ₹)?
29. 29.What is the sum of the first 10 odd numbers (1 + 3 + 5 + …)?
30. 30.What is ∛4096? =
31. 31.3.2 × 10⁷ =
32. 32.Use (a + b)(a − b) = a² − b² to find 55 × 45.
33. 33.The total surface area of a cube is 726 square cm. How long is each edge (in cm)?
34. 34.What is 26²? =
35. 35.Use (a + b)² = a² + 2ab + b² to find 18².
36. 36.If a − b = 10 and ab = 11, what is a² + b²?
37. 37.Find the compound interest on ₹56400 at 10% per year for 1 year, compounded every year (in ₹).
38. 38.A trapezium has an area of 64 square cm. Its parallel sides are 27 cm and 5 cm. What is the distance between them (in cm)?
39. 39.A big cube of edge 10 cm is cut into small cubes of edge 2 cm. How many small cubes are there?
40. 40.What is the value of 2⁴? =

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