Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 480 · 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.Solve: 4x + 11 = 3x + 18. What is x?
2. 2.Write 2.1 × 10⁻¹ as a decimal. =
3. 3.Write 6.4 × 10⁻⁴ as a decimal. =
4. 4.What is ∛2197? =
5. 5.What is the smallest whole number by which 12 must be divided to get a perfect square?
6. 6.The total surface area of a cube is 216 square cm. How long is each edge (in cm)?
7. 7.What is the difference between the compound interest and the simple interest on ₹53200 at 5% per year for 2 years (in ₹)?
8. 8.Use (a − b)² = a² − 2ab + b² to find 22².
9. 9.A trapezium has parallel sides of 17 cm and 27 cm, and the distance between them is 9 cm. What is its area (in square cm)?
10. 10.The sum of three consecutive whole numbers is 48. What is the largest of them?
11. 11.A square garden has an area of 1936 square m. How long is each side (in m)?
12. 12.Use a² − b² = (a + b)(a − b) to find 85² − 12².
13. 13.What is 30²? =
14. 14.What is the sum of the first 7 odd numbers (1 + 3 + 5 + …)?
15. 15.Solve: t/2 + t/5 = 28. What is t?
16. 16.The diagonals of a rhombus are 22 cm and 13 cm. What is its area (in square cm)?
17. 17.What is the value of 8³? =
18. 18.A cuboid is 6 cm long, 5 cm wide and 2 cm high. What is its total surface area (in square cm)?
19. 19.What is √8100? =
20. 20.Use (a − b)² = a² − 2ab + b² to find 28².
21. 21.What is the sum of the first 19 odd numbers (1 + 3 + 5 + …)?
22. 22.Which of these is a perfect cube? (a) 2084 (b) 1728 (c) 1893
23. 23.A room is 11 m long, 7 m wide and 5 m high. What is the area of its four walls (in square m)?
24. 24.Solve: 7m + 15 = 4m + 39. What is m?
25. 25.A room is 11 m long, 4 m wide and 4 m high. What is the area of its four walls (in square m)?
26. 26.A trapezium has an area of 25 square cm. Its parallel sides are 4 cm and 21 cm. What is the distance between them (in cm)?
27. 27.Write 7.5 × 10⁻⁴ as a decimal. =
28. 28.What is the smallest whole number by which 2 must be divided to get a perfect cube?
29. 29.Which of these is a perfect square? (a) 657 (b) 627 (c) 625
30. 30.What is √7396? =
31. 31.What is the sum of the first 8 odd numbers (1 + 3 + 5 + …)?
32. 32.The total surface area of a cube is 24 square cm. How long is each edge (in cm)?
33. 33.Which of these is a perfect square? (a) 521 (b) 523 (c) 484
34. 34.What is the value of (3/7)⁻¹? =
35. 35.Write 7.1 × 10⁻² as a decimal. =
36. 36.A trapezium has parallel sides of 17 cm and 5 cm, and the distance between them is 13 cm. What is its area (in square cm)?
37. 37.What is the value of 3⁸? =
38. 38.Use (a + b)(a − b) = a² − b² to find 38 × 22.
39. 39.A town has 48000 people. The population grows by 15% every year. What will the population be after 3 years?
40. 40.What is √1225? =

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