Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 503 · 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.You buy a kite for ₹80 and pay with a ₹100 note. How much change do you get, in rupees?
2. 2.You buy a bag of mangoes for ₹38 and pay with a ₹100 note. How much change do you get, in rupees?
3. 3.What is the remainder when 94 is divided by 8?
4. 4.What is the remainder when 30 is divided by 4?
5. 5.37 + 7 =
6. 6.144 ÷ 6 =
7. 7.5% of ₹330 =
8. 8.A train leaves at 1:00 and reaches the next city at 2:25. How many minutes is the journey?
9. 9.37 × 8 =
10. 10.37 + ? = 100
11. 11.A film starts at 8:40 and ends at 9:05. How many minutes long is the film?
12. 12.228 ÷ 3 =
13. 13.Best estimate of 81 × 34? (a) 2400 (b) 240 (c) 24000
14. 14.64 × 4 =
15. 15.A train leaves at 3:15 and reaches the next city at 4:00. How many minutes is the journey?
16. 16.1018 − 982 =
17. 17.120 ÷ 4 =
18. 18.19 + 18 =
19. 19.312 ÷ 8 =
20. 20.68 − 47 =
21. 21.Half of 50 =
22. 22.19 + 21 =
23. 23.10% of ₹840 =
24. 24.64 − 43 =
25. 25.15 + 9 =
26. 26.47 − 9 =
27. 27.13² =
28. 28.25 × 4 =
29. 29.28 + 27 =
30. 30.117 − 92 =
31. 31.21 laddoos are packed in boxes of 4. How many laddoos are left over?
32. 32.104 ÷ 4 =
33. 33.147 ÷ 7 =
34. 34.176 ÷ 8 =
35. 35.301 − 291 =
36. 36.25% of ₹120 =
37. 37.Best estimate of 727 + 795? (a) 1500 (b) 1700 (c) 1300
38. 38.497 ÷ 7 =
39. 39.86 − 76 =
40. 40.26 + 27 =

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