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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 658 · 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.You buy a pencil box for ₹234 and pay with a ₹500 note. How much change do you get, in rupees?
  2. 2.You buy a notebook for ₹19 and pay with a ₹100 note. How much change do you get, in rupees?
  3. 3.Half of 54 =
  4. 4.You buy a kite for ₹202 and pay with a ₹500 note. How much change do you get, in rupees?
  5. 5.Best estimate of 875 + 626? (a) 1300 (b) 1700 (c) 1500
  6. 6.88 ÷ 8 =
  7. 7.Double 56 =
  8. 8.You buy a kite for ₹37 and a pen for ₹27. You pay with a ₹100 note. How much change do you get, in rupees?
  9. 9.21² =
  10. 10.69 × 4 =
  11. 11.81 − 9 =
  12. 12.19² =
  13. 13.You buy a storybook for ₹267 and pay with a ₹500 note. How much change do you get, in rupees?
  14. 14.You buy a cricket ball for ₹25 and a pen for ₹38. You pay with a ₹100 note. How much change do you get, in rupees?
  15. 15.81 + 34 =
  16. 16.Double 93 =
  17. 17.64 − 36 =
  18. 18.You buy a storybook for ₹46 and pay with a ₹100 note. How much change do you get, in rupees?
  19. 19.27 + 29 =
  20. 20.58 + 3 =
  21. 21.37 + 4 =
  22. 22.13 + ? = 100
  23. 23.6 + 7 =
  24. 24.16 + 8 =
  25. 25.A train leaves at 8:45 and reaches the next city at 9:45. How many minutes is the journey?
  26. 26.A film starts at 8:45 and ends at 10:15. How many minutes long is the film?
  27. 27.45 + ? = 100
  28. 28.85 + 8 =
  29. 29.Half of 62 =
  30. 30.315 − 280 =
  31. 31.You buy a storybook for ₹28 and a pen for ₹26. You pay with a ₹100 note. How much change do you get, in rupees?
  32. 32.28 × 6 =
  33. 33.15 + ? = 100
  34. 34.39 + 2 =
  35. 35.86 + 7 =
  36. 36.405 ÷ 5 =
  37. 37.You buy a cricket ball for ₹482 and pay with a ₹500 note. How much change do you get, in rupees?
  38. 38.36 × 9 =
  39. 39.49 + 81 =
  40. 40.507 − 498 =

Answer key

  1. 266
  2. 81
  3. 27
  4. 298
  5. 1500
  6. 11
  7. 112
  8. 36
  9. 441
  10. 276
  11. 72
  12. 361
  13. 233
  14. 37
  15. 115
  16. 186
  17. 28
  18. 54
  19. 56
  20. 61
  21. 41
  22. 87
  23. 13
  24. 24
  25. 60
  26. 90
  27. 55
  28. 93
  29. 31
  30. 35
  31. 46
  32. 168
  33. 85
  34. 41
  35. 93
  36. 81
  37. 18
  38. 324
  39. 130
  40. 9

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