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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 812 · 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. 1.290 + 99 =
  2. 2.33 × 4 =
  3. 3.You start your homework at 5:45 and finish at 6:40. How many minutes did you work?
  4. 4.A film starts at 2:05 and ends at 3:50. How many minutes long is the film?
  5. 5.152 ÷ 8 =
  6. 6.87 − 13 =
  7. 7.36 + 8 =
  8. 8.26 − 19 =
  9. 9.15 × 4 =
  10. 10.91 − 71 =
  11. 11.59 × 3 =
  12. 12.20 − 9 =
  13. 13.A train leaves at 2:05 and reaches the next city at 2:30. How many minutes is the journey?
  14. 14.71 + 43 =
  15. 15.90 − 75 =
  16. 16.80 + ? = 100
  17. 17.48 − 19 =
  18. 18.29 + 3 =
  19. 19.10% of ₹740 =
  20. 20.44 × 4 =
  21. 21.47 + 9 =
  22. 22.Double 57 =
  23. 23.75 + ? = 100
  24. 24.30 + 32 =
  25. 25.5% of ₹180 =
  26. 26.27² =
  27. 27.252 ÷ 3 =
  28. 28.22 + 24 =
  29. 29.31 × 8 =
  30. 30.7 + 9 =
  31. 31.14² =
  32. 32.37 + 8 =
  33. 33.72 ÷ 4 =
  34. 34.6 + ? = 10
  35. 35.792 ÷ 8 =
  36. 36.879 − 99 =
  37. 37.10% of ₹80 =
  38. 38.5% of ₹230 =
  39. 39.136 ÷ 8 =
  40. 40.42 × 4 =

Answer key

  1. 389
  2. 132
  3. 55
  4. 105
  5. 19
  6. 74
  7. 44
  8. 7
  9. 60
  10. 20
  11. 177
  12. 11
  13. 25
  14. 114
  15. 15
  16. 20
  17. 29
  18. 32
  19. 74
  20. 176
  21. 56
  22. 114
  23. 25
  24. 62
  25. 9
  26. 729
  27. 84
  28. 46
  29. 248
  30. 16
  31. 196
  32. 45
  33. 18
  34. 4
  35. 99
  36. 780
  37. 8
  38. 11.5
  39. 17
  40. 168

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