Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 211 · 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. 1.22 + ? = 100
2. 2.You buy a notebook for ₹93 and pay with a ₹100 note. How much change do you get, in rupees?
3. 3.What is the remainder when 53 is divided by 7?
4. 4.20 + 19 =
5. 5.61 × 5 =
6. 6.27 + 26 =
7. 7.Half of 52 =
8. 8.75 × 4 =
9. 9.96 ÷ 8 =
10. 10.43 + 25 =
11. 11.You buy a water bottle for ₹357 and pay with a ₹500 note. How much change do you get, in rupees?
12. 12.54 × 8 =
13. 13.53 − 21 =
14. 14.60 × 4 =
15. 15.5 + ? = 10
16. 16.A train leaves at 8:10 and reaches the next city at 9:35. How many minutes is the journey?
17. 17.A film starts at 1:45 and ends at 5:05. How many minutes long is the film?
18. 18.35 × 8 =
19. 19.You buy a water bottle for ₹35 and a pen for ₹11. You pay with a ₹100 note. How much change do you get, in rupees?
20. 20.1019 − 993 =
21. 21.Half of 186 =
22. 22.26 + 25 =
23. 23.24² =
24. 24.26 + 27 =
25. 25.45 + 6 =
26. 26.10% of ₹740 =
27. 27.Best estimate of 66 × 56? (a) 4200 (b) 42000 (c) 420
28. 28.14² =
29. 29.17 + 16 =
30. 30.520 − 494 =
31. 31.12 + ? = 100
32. 32.80 ÷ 4 =
33. 33.19 + 18 =
34. 34.21² =
35. 35.507 − 498 =
36. 36.325 − 280 =
37. 37.28 + 30 =
38. 38.Double 82 =
39. 39.16 + 5 =
40. 40.59 laddoos are packed in boxes of 4. How many laddoos are left over?

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