Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 750 · 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 the sum of the first 18 odd numbers (1 + 3 + 5 + …)?
2. 2.The length of a rectangle is 13 cm more than its width. Its perimeter is 106 cm. What is its width (in cm)?
3. 3.What is the difference between the compound interest and the simple interest on ₹40000 at 8% per year for 2 years (in ₹)?
4. 4.Each edge of a cube is 10 cm. What is its total surface area (in square cm)?
5. 5.What is the smallest whole number by which 128 must be multiplied to get a perfect square?
6. 6.Solve: 3m + 19 = m + 47. What is m?
7. 7.What is the smallest whole number by which 16 must be divided to get a perfect cube?
8. 8.How many whole numbers lie between 37² and 38²?
9. 9.Each edge of a cube is 8 cm. What is its total surface area (in square cm)?
10. 10.What is the value of 2²? =
11. 11.A father is 21 years older than his son. In 1 year, the father will be four times as old as his son. How old is the son now?
12. 12.A square garden has an area of 25 square m. How long is each side (in m)?
13. 13.What is the value of 2¹³? =
14. 14.The length of a rectangle is 15 cm more than its width. Its perimeter is 98 cm. What is its width (in cm)?
15. 15.Each edge of a cube is 5 cm. What is its total surface area (in square cm)?
16. 16.A trapezium has parallel sides of 11 cm and 30 cm, and the distance between them is 12 cm. What is its area (in square cm)?
17. 17.A cube has a volume of 2197 cubic cm. How long is each edge (in cm)?
18. 18.If a − b = 1 and ab = 2, what is a² + b²?
19. 19.Solve: 6m + 4 = 3m + 37. What is m?
20. 20.Solve: x/2 + x/6 = 24. What is x?
21. 21.What is the smallest whole number by which 350 must be multiplied to get a perfect square?
22. 22.A square garden has an area of 3481 square m. How long is each side (in m)?
23. 23.What is the value of 6⁵? =
24. 24.A big cube of edge 12 cm is cut into small cubes of edge 2 cm. How many small cubes are there?
25. 25.What is 16³? =
26. 26.What is the smallest whole number by which 27 must be divided to get a perfect square?
27. 27.Find the compound interest on ₹25000 at 10% per year for 2 years, compounded every year (in ₹).
28. 28.What is the difference between the compound interest and the simple interest on ₹25800 at 10% per year for 2 years (in ₹)?
29. 29.Write 8.8 × 10⁻³ as a decimal. =
30. 30.Write 2.2 × 10⁻¹ as a decimal. =
31. 31.What is the smallest whole number by which 243 must be divided to get a perfect cube?
32. 32.2.2 × 10² =
33. 33.What amount will ₹31800 grow to in 1 year at 10% per year compound interest (in ₹)?
34. 34.Write 3¹⁷ ÷ 3⁹ as a single power 3ⁿ. What is n?
35. 35.Use (a + b)² = a² + 2ab + b² to find 51².
36. 36.What is 19²? =
37. 37.Find the compound interest on ₹8000 at 25% per year for 3 years, compounded every year (in ₹).
38. 38.What is the value of 7⁴? =
39. 39.Use (a + b)² = a² + 2ab + b² to find 49².
40. 40.What amount will ₹52400 grow to in 2 years at 10% per year compound interest (in ₹)?

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