Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 927 · 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.What is 32²? =
2. 2.Find the compound interest on ₹35200 at 25% per year for 3 years, compounded every year (in ₹).
3. 3.What is ∛3375? =
4. 4.A big cube of edge 6 cm is cut into small cubes of edge 1 cm. How many small cubes are there?
5. 5.Solve: 6(p − 5) = p + 15. What is p?
6. 6.Find the value of x² − y² when x = 3 and y = 1.
7. 7.What is 18³? =
8. 8.The diagonals of a rhombus are 10 cm and 7 cm. What is its area (in square cm)?
9. 9.A father is 19 years older than his son. In 7 years, the father will be twice as old as his son. How old is the son now?
10. 10.Use (a − b)² = a² − 2ab + b² to find 48².
11. 11.A scooter is worth ₹38400. Its value falls by 25% every year. What will it be worth after 3 years (in ₹)?
12. 12.Use (a + b)(a − b) = a² − b² to find 27 × 13.
13. 13.Use (a + b)(a − b) = a² − b² to find 34 × 26.
14. 14.Write 9.2 × 10⁻³ as a decimal. =
15. 15.4.4 × 10⁶ =
16. 16.Find the compound interest on ₹5900 at 12% per year for 1 year, compounded every year (in ₹).
17. 17.A cube has a volume of 64 cubic cm. How long is each edge (in cm)?
18. 18.Use (a − b)² = a² − 2ab + b² to find 79².
19. 19.How many whole numbers lie between 50² and 51²?
20. 20.What is the smallest whole number by which 686 must be multiplied to get a perfect square?
21. 21.What is the value of 2⁶ × 2⁻⁶? =
22. 22.Write 1.1 × 10⁻¹ as a decimal. =
23. 23.What is the difference between the compound interest and the simple interest on ₹32400 at 25% per year for 2 years (in ₹)?
24. 24.What is ∛2197? =
25. 25.What is the difference between the compound interest and the simple interest on ₹55200 at 20% per year for 2 years (in ₹)?
26. 26.Solve: 6(n − 1) = n + 39. What is n?
27. 27.How many whole numbers lie between 6² and 7²?
28. 28.How many whole numbers lie between 48² and 49²?
29. 29.What amount will ₹25000 grow to in 2 years at 12% per year compound interest (in ₹)?
30. 30.Use (a + b)(a − b) = a² − b² to find 29 × 11.
31. 31.A big cube of edge 8 cm is cut into small cubes of edge 4 cm. How many small cubes are there?
32. 32.A father is 24 years older than his son. In 3 years, the father will be three times as old as his son. How old is the son now?
33. 33.Write 7.2 × 10⁻⁴ as a decimal. =
34. 34.Use (a + b)² = a² + 2ab + b² to find 66².
35. 35.What is the value of 3⁵ × 3⁻⁶? =
36. 36.What is the value of 10³? =
37. 37.A father is 7 years older than his son. In 5 years, the father will be twice as old as his son. How old is the son now?
38. 38.Find the compound interest on ₹34400 at 8% per year for 1 year, compounded every year (in ₹).
39. 39.A trapezium has parallel sides of 21 cm and 25 cm, and the distance between them is 8 cm. What is its area (in square cm)?
40. 40.How many whole numbers lie between 40² and 41²?

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