Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 516 · 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 ₹183 and pay with a ₹500 note. How much change do you get, in rupees?
2. 2.23² =
3. 3.80 + 82 =
4. 4.69 + 4 =
5. 5.97 × 3 =
6. 6.59 × 7 =
7. 7.96 ÷ 8 =
8. 8.492 ÷ 6 =
9. 9.148 ÷ 4 =
10. 10.110 children stand in rows of 8. How many full rows can they make?
11. 11.33 × 8 =
12. 12.98 − 19 =
13. 13.74 + 29 =
14. 14.128 ÷ 4 =
15. 15.You start your homework at 2:10 and finish at 3:00. How many minutes did you work?
16. 16.11² =
17. 17.10% of ₹460 =
18. 18.12² =
19. 19.24 × 6 =
20. 20.30 + 43 =
21. 21.19² =
22. 22.57 + ? = 100
23. 23.5% of ₹780 =
24. 24.28 + 16 =
25. 25.50% of ₹250 =
26. 26.22 × 8 =
27. 27.27 + 26 =
28. 28.21² =
29. 29.A train leaves at 5:55 and reaches the next city at 7:20. How many minutes is the journey?
30. 30.You buy a water bottle for ₹44 and a pen for ₹17. You pay with a ₹100 note. How much change do you get, in rupees?
31. 31.71 laddoos are packed in boxes of 5. How many laddoos are left over?
32. 32.24² =
33. 33.399 ÷ 7 =
34. 34.Double 19 =
35. 35.48 × 4 =
36. 36.16² =
37. 37.You buy a box of crayons for ₹35 and a pen for ₹35. You pay with a ₹100 note. How much change do you get, in rupees?
38. 38.59 + ? = 100
39. 39.Best estimate of 312 + 226? (a) 700 (b) 300 (c) 500
40. 40.284 ÷ 4 =

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