Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 326 · 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.What is the remainder when 86 is divided by 8?
2. 2.232 ÷ 8 =
3. 3.What is the remainder when 58 is divided by 6?
4. 4.156 ÷ 4 =
5. 5.189 ÷ 9 =
6. 6.413 ÷ 7 =
7. 7.7 + 8 =
8. 8.95 − 29 =
9. 9.66 − 31 =
10. 10.774 ÷ 9 =
11. 11.83 laddoos are packed in boxes of 6. How many laddoos are left over?
12. 12.74 × 9 =
13. 13.860 − 99 =
14. 14.106 − 77 =
15. 15.21 × 4 =
16. 16.Double 47 =
17. 17.You buy a cricket ball for ₹35 and pay with a ₹100 note. How much change do you get, in rupees?
18. 18.6 + 7 =
19. 19.66 + 9 =
20. 20.312 − 284 =
21. 21.37 + 5 =
22. 22.You buy a kite for ₹16 and a pen for ₹33. You pay with a ₹100 note. How much change do you get, in rupees?
23. 23.66 + 6 =
24. 24.22 + 21 =
25. 25.50 + ? = 100
26. 26.230 − 193 =
27. 27.Half of 198 =
28. 28.26 + 5 =
29. 29.144 ÷ 4 =
30. 30.98 − 52 =
31. 31.53 − 28 =
32. 32.31 × 9 =
33. 33.21² =
34. 34.201 − 186 =
35. 35.Best estimate of 208 + 782? (a) 1200 (b) 1000 (c) 800
36. 36.26 children stand in rows of 4. How many full rows can they make?
37. 37.Double 77 =
38. 38.A train leaves at 2:50 and reaches the next city at 5:20. How many minutes is the journey?
39. 39.16 children stand in rows of 3. How many full rows can they make?
40. 40.99 − 69 =

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