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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 563 · 40 questions
TalentJR

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.

NameDateTime takenScore ___ / 40
  1. 1.10% of ₹790 =
  2. 2.66 × 4 =
  3. 3.60 − 17 =
  4. 4.136 ÷ 8 =
  5. 5.51 + 87 =
  6. 6.What is the remainder when 49 is divided by 8?
  7. 7.84 − 53 =
  8. 8.70 − 32 =
  9. 9.24 × 8 =
  10. 10.You buy a notebook for ₹45 and a pen for ₹22. You pay with a ₹100 note. How much change do you get, in rupees?
  11. 11.68 × 3 =
  12. 12.50 + ? = 100
  13. 13.20 + ? = 100
  14. 14.34 + 24 =
  15. 15.27 + 38 =
  16. 16.You buy a pencil box for ₹353 and pay with a ₹500 note. How much change do you get, in rupees?
  17. 17.28 + 30 =
  18. 18.48 × 3 =
  19. 19.15 + 16 =
  20. 20.19² =
  21. 21.21 × 5 =
  22. 22.68 ÷ 4 =
  23. 23.85 + 7 =
  24. 24.61 − 46 =
  25. 25.A cricket match starts at 3:20 and the first innings ends at 6:05. How many minutes did the innings last?
  26. 26.Double 26 =
  27. 27.10% of ₹580 =
  28. 28.46 × 5 =
  29. 29.10% of ₹280 =
  30. 30.Best estimate of 856 + 621? (a) 1500 (b) 1300 (c) 1700
  31. 31.25% of ₹570 =
  32. 32.89 − 62 =
  33. 33.74 − 39 =
  34. 34.6 + 5 =
  35. 35.32 × 5 =
  36. 36.16 + 17 =
  37. 37.10% of ₹650 =
  38. 38.77 + 4 =
  39. 39.53 × 4 =
  40. 40.109 − 57 =

Answer key

  1. 79
  2. 264
  3. 43
  4. 17
  5. 138
  6. 1
  7. 31
  8. 38
  9. 192
  10. 33
  11. 204
  12. 50
  13. 80
  14. 58
  15. 65
  16. 147
  17. 58
  18. 144
  19. 31
  20. 361
  21. 105
  22. 17
  23. 92
  24. 15
  25. 165
  26. 52
  27. 58
  28. 230
  29. 28
  30. 1500
  31. 142.5
  32. 27
  33. 35
  34. 11
  35. 160
  36. 33
  37. 65
  38. 81
  39. 212
  40. 52

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