Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 444 · 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. 1.208 ÷ 8 =
2. 2.You buy a pencil box for ₹70 and pay with a ₹100 note. How much change do you get, in rupees?
3. 3.Half of 120 =
4. 4.64 + 19 =
5. 5.75 + 7 =
6. 6.106 − 74 =
7. 7.39 + 48 =
8. 8.6 + 7 =
9. 9.18 + ? = 100
10. 10.37 × 8 =
11. 11.79 − 48 =
12. 12.323 − 298 =
13. 13.You buy a water bottle for ₹43 and a pen for ₹28. You pay with a ₹100 note. How much change do you get, in rupees?
14. 14.18 + 19 =
15. 15.Double 59 =
16. 16.A train leaves at 5:05 and reaches the next city at 8:10. How many minutes is the journey?
17. 17.Half of 186 =
18. 18.Half of 178 =
19. 19.Half of 74 =
20. 20.6 + 8 =
21. 21.56 × 6 =
22. 22.A train leaves at 7:15 and reaches the next city at 10:20. How many minutes is the journey?
23. 23.16 + 17 =
24. 24.24 × 4 =
25. 25.You buy a bag of mangoes for ₹148 and pay with a ₹500 note. How much change do you get, in rupees?
26. 26.20 + 22 =
27. 27.Double 83 =
28. 28.What is the remainder when 17 is divided by 3?
29. 29.100 − 60 =
30. 30.Best estimate of 42 × 44? (a) 16000 (b) 1600 (c) 160
31. 31.21 × 3 =
32. 32.Best estimate of 41 × 18? (a) 80 (b) 8000 (c) 800
33. 33.You buy a storybook for ₹232 and pay with a ₹500 note. How much change do you get, in rupees?
34. 34.11² =
35. 35.26 + 6 =
36. 36.432 ÷ 9 =
37. 37.78 × 8 =
38. 38.What is the remainder when 37 is divided by 3?
39. 39.27 + 28 =
40. 40.86 × 3 =

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