Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 842 · 40 questions

How to do it in your head (Look first): A 9, 19 or 99 → round and adjust. Two close numbers → count up (or near doubles when adding). × or ÷ by 4 or 8 → double or halve; other sums → split into tens and ones.

1. 1.A train leaves at 4:25 and reaches the next city at 5:10. How many minutes is the journey?
2. 2.89 × 4 =
3. 3.256 ÷ 8 =
4. 4.8 + ? = 10
5. 5.A train leaves at 5:20 and reaches the next city at 6:25. How many minutes is the journey?
6. 6.10% of ₹310 =
7. 7.You buy a pencil box for ₹287 and pay with a ₹500 note. How much change do you get, in rupees?
8. 8.76 × 3 =
9. 9.50% of ₹220 =
10. 10.A film starts at 2:20 and ends at 4:10. How many minutes long is the film?
11. 11.58 × 8 =
12. 12.1 + ? = 10
13. 13.62 − 47 =
14. 14.73 − 19 =
15. 15.Best estimate of 87 × 49? (a) 4500 (b) 450 (c) 45000
16. 16.Half of 170 =
17. 17.280 ÷ 8 =
18. 18.Best estimate of 267 + 200? (a) 500 (b) 700 (c) 300
19. 19.16 × 9 =
20. 20.68 + ? = 100
21. 21.25% of ₹540 =
22. 22.You buy a bag of mangoes for ₹12 and a pen for ₹39. You pay with a ₹100 note. How much change do you get, in rupees?
23. 23.310 − 291 =
24. 24.78 × 6 =
25. 25.61 × 6 =
26. 26.304 − 286 =
27. 27.81 − 64 =
28. 28.13² =
29. 29.27 + 4 =
30. 30.73 × 4 =
31. 31.52 + 38 =
32. 32.89 children stand in rows of 8. How many full rows can they make?
33. 33.19 × 4 =
34. 34.25 + 56 =
35. 35.256 + 99 =
36. 36.56 + ? = 100
37. 37.248 ÷ 8 =
38. 38.75 + 88 =
39. 39.Double 85 =
40. 40.88 × 3 =

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