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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 72 · 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. 1.22 + 21 =
  2. 2.65 × 4 =
  3. 3.25% of ₹180 =
  4. 4.29 + 19 =
  5. 5.38 − 29 =
  6. 6.51 − 25 =
  7. 7.You buy a storybook for ₹77 and pay with a ₹100 note. How much change do you get, in rupees?
  8. 8.48 ÷ 4 =
  9. 9.A film starts at 6:15 and ends at 7:30. How many minutes long is the film?
  10. 10.You start your homework at 5:55 and finish at 8:10. How many minutes did you work?
  11. 11.A film starts at 2:35 and ends at 3:00. How many minutes long is the film?
  12. 12.54 × 5 =
  13. 13.Half of 68 =
  14. 14.5 + ? = 10
  15. 15.Half of 192 =
  16. 16.You buy a pencil box for ₹221 and pay with a ₹500 note. How much change do you get, in rupees?
  17. 17.51 × 5 =
  18. 18.126 ÷ 6 =
  19. 19.86 × 9 =
  20. 20.33 × 7 =
  21. 21.576 ÷ 9 =
  22. 22.87 − 26 =
  23. 23.107 − 90 =
  24. 24.4 + ? = 10
  25. 25.74 × 4 =
  26. 26.55 + 41 =
  27. 27.240 ÷ 8 =
  28. 28.Half of 110 =
  29. 29.92 − 32 =
  30. 30.403 − 99 =
  31. 31.What is the remainder when 64 is divided by 6?
  32. 32.50 − 19 =
  33. 33.26 + 28 =
  34. 34.55 × 4 =
  35. 35.1005 − 978 =
  36. 36.47 + 5 =
  37. 37.5% of ₹530 =
  38. 38.23 + 9 =
  39. 39.77 + 29 =
  40. 40.148 ÷ 4 =

Answer key

  1. 43
  2. 260
  3. 45
  4. 48
  5. 9
  6. 26
  7. 23
  8. 12
  9. 75
  10. 135
  11. 25
  12. 270
  13. 34
  14. 5
  15. 96
  16. 279
  17. 255
  18. 21
  19. 774
  20. 231
  21. 64
  22. 61
  23. 17
  24. 6
  25. 296
  26. 96
  27. 30
  28. 55
  29. 60
  30. 304
  31. 4
  32. 31
  33. 54
  34. 220
  35. 27
  36. 52
  37. 26.5
  38. 32
  39. 106
  40. 37

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