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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 494 · 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. 1.88 + 7 =
  2. 2.84 × 3 =
  3. 3.128 − 84 =
  4. 4.28² =
  5. 5.93 × 9 =
  6. 6.A train leaves at 7:05 and reaches the next city at 7:35. How many minutes is the journey?
  7. 7.Half of 108 =
  8. 8.10% of ₹520 =
  9. 9.16 + 17 =
  10. 10.A film starts at 6:20 and ends at 6:45. How many minutes long is the film?
  11. 11.88 + 5 =
  12. 12.87 + 21 =
  13. 13.A film starts at 7:05 and ends at 10:05. How many minutes long is the film?
  14. 14.75 ÷ 3 =
  15. 15.12 + 11 =
  16. 16.Half of 72 =
  17. 17.27 + 29 =
  18. 18.4 + ? = 10
  19. 19.26 + 7 =
  20. 20.23 + 73 =
  21. 21.29² =
  22. 22.416 ÷ 8 =
  23. 23.35 children stand in rows of 3. How many full rows can they make?
  24. 24.97 − 19 =
  25. 25.82 − 29 =
  26. 26.294 ÷ 6 =
  27. 27.49 + 27 =
  28. 28.90 − 69 =
  29. 29.9 + ? = 10
  30. 30.15² =
  31. 31.38 + 9 =
  32. 32.105 − 78 =
  33. 33.What is the remainder when 47 is divided by 7?
  34. 34.261 + 99 =
  35. 35.25% of ₹280 =
  36. 36.A train leaves at 7:15 and reaches the next city at 9:15. How many minutes is the journey?
  37. 37.176 ÷ 8 =
  38. 38.56 + 8 =
  39. 39.171 ÷ 9 =
  40. 40.1008 − 987 =

Answer key

  1. 95
  2. 252
  3. 44
  4. 784
  5. 837
  6. 30
  7. 54
  8. 52
  9. 33
  10. 25
  11. 93
  12. 108
  13. 180
  14. 25
  15. 23
  16. 36
  17. 56
  18. 6
  19. 33
  20. 96
  21. 841
  22. 52
  23. 11
  24. 78
  25. 53
  26. 49
  27. 76
  28. 21
  29. 1
  30. 225
  31. 47
  32. 27
  33. 5
  34. 360
  35. 70
  36. 120
  37. 22
  38. 64
  39. 19
  40. 21

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