Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 708 · 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. 1.18 + 9 =
2. 2.217 − 188 =
3. 3.34 + 9 =
4. 4.68 − 26 =
5. 5.A cricket match starts at 5:15 and the first innings ends at 7:50. How many minutes did the innings last?
6. 6.5 + ? = 10
7. 7.11 + 12 =
8. 8.26 × 8 =
9. 9.51 + 18 =
10. 10.Half of 166 =
11. 11.207 − 189 =
12. 12.576 ÷ 8 =
13. 13.33 + 79 =
14. 14.19² =
15. 15.You buy a storybook for ₹150 and pay with a ₹500 note. How much change do you get, in rupees?
16. 16.52 + ? = 100
17. 17.103 − 85 =
18. 18.72 × 4 =
19. 19.Best estimate of 253 + 248? (a) 700 (b) 300 (c) 500
20. 20.You buy a bag of mangoes for ₹73 and pay with a ₹100 note. How much change do you get, in rupees?
21. 21.324 − 293 =
22. 22.A train leaves at 1:20 and reaches the next city at 1:45. How many minutes is the journey?
23. 23.22 × 3 =
24. 24.29 + 28 =
25. 25.152 ÷ 8 =
26. 26.59 + 9 =
27. 27.7 + ? = 10
28. 28.71 − 56 =
29. 29.10% of ₹310 =
30. 30.213 − 183 =
31. 31.You buy a storybook for ₹93 and pay with a ₹100 note. How much change do you get, in rupees?
32. 32.13 × 8 =
33. 33.132 ÷ 4 =
34. 34.16² =
35. 35.208 ÷ 4 =
36. 36.66 children stand in rows of 5. How many full rows can they make?
37. 37.84 ÷ 4 =
38. 38.51 + 22 =
39. 39.81 × 6 =
40. 40.9 + 8 =

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