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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 234 · 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 ₹450 =
  2. 2.52 + 31 =
  3. 3.18 × 3 =
  4. 4.You buy a storybook for ₹44 and a pen for ₹19. You pay with a ₹100 note. How much change do you get, in rupees?
  5. 5.Double 91 =
  6. 6.25 + 27 =
  7. 7.78 − 58 =
  8. 8.37 children stand in rows of 3. How many full rows can they make?
  9. 9.33 × 4 =
  10. 10.22² =
  11. 11.9 + 3 =
  12. 12.17 children stand in rows of 3. How many full rows can they make?
  13. 13.154 ÷ 7 =
  14. 14.99 × 8 =
  15. 15.27 + 29 =
  16. 16.32 + 32 =
  17. 17.Best estimate of 239 + 591? (a) 1000 (b) 800 (c) 600
  18. 18.50% of ₹450 =
  19. 19.35 × 3 =
  20. 20.A train leaves at 1:25 and reaches the next city at 4:45. How many minutes is the journey?
  21. 21.Half of 32 =
  22. 22.97 − 67 =
  23. 23.81 − 70 =
  24. 24.89 + 2 =
  25. 25.84 × 4 =
  26. 26.81 − 19 =
  27. 27.39 children stand in rows of 7. How many full rows can they make?
  28. 28.31 × 7 =
  29. 29.You start your homework at 5:05 and finish at 6:00. How many minutes did you work?
  30. 30.13 + 14 =
  31. 31.21 × 7 =
  32. 32.10% of ₹60 =
  33. 33.52 ÷ 4 =
  34. 34.60 − 41 =
  35. 35.You buy a storybook for ₹244 and pay with a ₹500 note. How much change do you get, in rupees?
  36. 36.A train leaves at 6:10 and reaches the next city at 9:15. How many minutes is the journey?
  37. 37.77 + 9 =
  38. 38.14² =
  39. 39.60 − 9 =
  40. 40.352 ÷ 4 =

Answer key

  1. 45
  2. 83
  3. 54
  4. 37
  5. 182
  6. 52
  7. 20
  8. 12
  9. 132
  10. 484
  11. 12
  12. 5
  13. 22
  14. 792
  15. 56
  16. 64
  17. 800
  18. 225
  19. 105
  20. 200
  21. 16
  22. 30
  23. 11
  24. 91
  25. 336
  26. 62
  27. 5
  28. 217
  29. 55
  30. 27
  31. 147
  32. 6
  33. 13
  34. 19
  35. 256
  36. 185
  37. 86
  38. 196
  39. 51
  40. 88

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