Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 381 · 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 ₹14 and a pen for ₹23. You pay with a ₹100 note. How much change do you get, in rupees?
2. 2.56 + 29 =
3. 3.You buy a water bottle for ₹152 and pay with a ₹500 note. How much change do you get, in rupees?
4. 4.70 × 4 =
5. 5.6 + ? = 10
6. 6.30 × 8 =
7. 7.Best estimate of 76 × 58? (a) 4800 (b) 480 (c) 48000
8. 8.7 + 6 =
9. 9.What is the remainder when 34 is divided by 3?
10. 10.23 × 7 =
11. 11.You buy a water bottle for ₹160 and pay with a ₹500 note. How much change do you get, in rupees?
12. 12.186 ÷ 3 =
13. 13.25% of ₹550 =
14. 14.228 ÷ 6 =
15. 15.25% of ₹280 =
16. 16.180 ÷ 4 =
17. 17.25% of ₹120 =
18. 18.88 ÷ 8 =
19. 19.A train leaves at 1:40 and reaches the next city at 4:30. How many minutes is the journey?
20. 20.15² =
21. 21.Best estimate of 61 × 16? (a) 120 (b) 1200 (c) 12000
22. 22.44 × 4 =
23. 23.65 × 4 =
24. 24.A train leaves at 3:10 and reaches the next city at 5:25. How many minutes is the journey?
25. 25.200 ÷ 8 =
26. 26.685 + 99 =
27. 27.10 + 9 =
28. 28.56 ÷ 4 =
29. 29.Best estimate of 88 × 96? (a) 9000 (b) 90000 (c) 900
30. 30.108 − 85 =
31. 31.316 ÷ 4 =
32. 32.Best estimate of 30 × 34? (a) 90 (b) 900 (c) 9000
33. 33.167 + 99 =
34. 34.28 + 3 =
35. 35.44 + ? = 100
36. 36.96 − 83 =
37. 37.10% of ₹860 =
38. 38.25% of ₹190 =
39. 39.46 + 62 =
40. 40.45 + 9 =

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