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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 553 · 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. 1.40 + 9 =
  2. 2.5% of ₹670 =
  3. 3.36 + 9 =
  4. 4.A film starts at 5:20 and ends at 8:30. How many minutes long is the film?
  5. 5.59 × 8 =
  6. 6.Double 22 =
  7. 7.86 + 54 =
  8. 8.43 × 5 =
  9. 9.14 + 13 =
  10. 10.8 + 4 =
  11. 11.Double 19 =
  12. 12.You buy a water bottle for ₹130 and pay with a ₹500 note. How much change do you get, in rupees?
  13. 13.80 + 53 =
  14. 14.You buy a kite for ₹77 and pay with a ₹100 note. How much change do you get, in rupees?
  15. 15.Half of 176 =
  16. 16.54 × 4 =
  17. 17.57 + 19 =
  18. 18.30 × 4 =
  19. 19.25% of ₹230 =
  20. 20.54 + 36 =
  21. 21.A train leaves at 1:05 and reaches the next city at 3:15. How many minutes is the journey?
  22. 22.510 − 495 =
  23. 23.126 ÷ 6 =
  24. 24.15 + 8 =
  25. 25.56 × 7 =
  26. 26.35 + 9 =
  27. 27.A train leaves at 8:45 and reaches the next city at 10:10. How many minutes is the journey?
  28. 28.58 + ? = 100
  29. 29.65 + 89 =
  30. 30.86 − 55 =
  31. 31.14² =
  32. 32.15 + 17 =
  33. 33.642 + 99 =
  34. 34.442 − 99 =
  35. 35.3 + ? = 10
  36. 36.21² =
  37. 37.236 ÷ 4 =
  38. 38.72 ÷ 4 =
  39. 39.526 − 478 =
  40. 40.347 + 99 =

Answer key

  1. 49
  2. 33.5
  3. 45
  4. 190
  5. 472
  6. 44
  7. 140
  8. 215
  9. 27
  10. 12
  11. 38
  12. 370
  13. 133
  14. 23
  15. 88
  16. 216
  17. 76
  18. 120
  19. 57.5
  20. 90
  21. 130
  22. 15
  23. 21
  24. 23
  25. 392
  26. 44
  27. 85
  28. 42
  29. 154
  30. 31
  31. 196
  32. 32
  33. 741
  34. 343
  35. 7
  36. 441
  37. 59
  38. 18
  39. 48
  40. 446

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