Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 376 · 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 square garden has an area of 2116 square m. How long is each side (in m)?
2. 2.What is the value of 3³ × 3⁻²? =
3. 3.The total surface area of a cube is 1014 square cm. How long is each edge (in cm)?
4. 4.A cuboid is 4 cm long, 4 cm wide and 8 cm high. What is its total surface area (in square cm)?
5. 5.What is the sum of the first 30 odd numbers (1 + 3 + 5 + …)?
6. 6.A father is 11 years older than his son. In 7 years, the father will be twice as old as his son. How old is the son now?
7. 7.What is the value of 6³? =
8. 8.Write 8.6 × 10⁻³ as a decimal. =
9. 9.What amount will ₹6800 grow to in 2 years at 25% per year compound interest (in ₹)?
10. 10.4.5 × 10⁴ =
11. 11.Which of these is a perfect square? (a) 487 (b) 495 (c) 484
12. 12.Write 9⁹ × 9⁵ as a single power 9ⁿ. What is n?
13. 13.A trapezium has an area of 258 square cm. Its parallel sides are 28 cm and 15 cm. What is the distance between them (in cm)?
14. 14.What is 16³? =
15. 15.A square garden has an area of 2401 square m. How long is each side (in m)?
16. 16.Which of these is a perfect cube? (a) 343 (b) 462 (c) 466
17. 17.What is the value of 10⁵? =
18. 18.The length of a rectangle is 10 cm more than its width. Its perimeter is 80 cm. What is its width (in cm)?
19. 19.Each edge of a cube is 18 cm. What is its total surface area (in square cm)?
20. 20.What is the smallest whole number by which 8 must be multiplied to get a perfect square?
21. 21.A square garden has an area of 729 square m. How long is each side (in m)?
22. 22.What amount will ₹35200 grow to in 3 years at 25% per year compound interest (in ₹)?
23. 23.A trapezium has an area of 234 square cm. Its parallel sides are 21 cm and 15 cm. What is the distance between them (in cm)?
24. 24.Write (7³)⁴ as a single power 7ⁿ. What is n?
25. 25.A big cube of edge 3 cm is cut into small cubes of edge 1 cm. How many small cubes are there?
26. 26.A cube has a volume of 8 cubic cm. How long is each edge (in cm)?
27. 27.A town has 10600 people. The population grows by 15% every year. What will the population be after 1 year?
28. 28.What is the smallest whole number by which 147 must be divided to get a perfect square?
29. 29.The total surface area of a cube is 1176 square cm. How long is each edge (in cm)?
30. 30.The total surface area of a cube is 2400 square cm. How long is each edge (in cm)?
31. 31.What is 95²? =
32. 32.What is 5³? =
33. 33.Each edge of a cube is 19 cm. What is its total surface area (in square cm)?
34. 34.What is 34²? =
35. 35.The sum of three consecutive whole numbers is 135. What is the largest of them?
36. 36.Write (2⁵)² as a single power 2ⁿ. What is n?
37. 37.What is 40²? =
38. 38.What is the value of 2⁻⁷ (as a fraction)? =
39. 39.The sum of three consecutive whole numbers is 93. What is the smallest of them?
40. 40.Find the compound interest on ₹10400 at 25% per year for 2 years, compounded every year (in ₹).

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