← Mixed mental challenge lesson New set →

Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 788 · 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. 1.52 + 41 =
  2. 2.35 + ? = 100
  3. 3.25% of ₹180 =
  4. 4.1 + ? = 10
  5. 5.23 + 25 =
  6. 6.53 − 23 =
  7. 7.44 − 29 =
  8. 8.56 × 9 =
  9. 9.54 − 33 =
  10. 10.18 + 9 =
  11. 11.99 × 4 =
  12. 12.A film starts at 2:30 and ends at 5:00. How many minutes long is the film?
  13. 13.13² =
  14. 14.78 − 9 =
  15. 15.59 − 19 =
  16. 16.21 + 22 =
  17. 17.Double 32 =
  18. 18.17² =
  19. 19.18 × 4 =
  20. 20.63 × 8 =
  21. 21.9 + ? = 10
  22. 22.21 + 9 =
  23. 23.A train leaves at 1:40 and reaches the next city at 4:45. How many minutes is the journey?
  24. 24.531 ÷ 9 =
  25. 25.87 + 7 =
  26. 26.28 + 27 =
  27. 27.5% of ₹880 =
  28. 28.64 × 3 =
  29. 29.81 − 65 =
  30. 30.A cricket match starts at 2:30 and the first innings ends at 4:55. How many minutes did the innings last?
  31. 31.You buy a storybook for ₹169 and pay with a ₹500 note. How much change do you get, in rupees?
  32. 32.25 + 24 =
  33. 33.2 + ? = 10
  34. 34.204 ÷ 3 =
  35. 35.109 − 95 =
  36. 36.18 + ? = 100
  37. 37.46 + 8 =
  38. 38.27² =
  39. 39.301 − 297 =
  40. 40.34 × 4 =

Answer key

  1. 93
  2. 65
  3. 45
  4. 9
  5. 48
  6. 30
  7. 15
  8. 504
  9. 21
  10. 27
  11. 396
  12. 150
  13. 169
  14. 69
  15. 40
  16. 43
  17. 64
  18. 289
  19. 72
  20. 504
  21. 1
  22. 30
  23. 185
  24. 59
  25. 94
  26. 55
  27. 44
  28. 192
  29. 16
  30. 145
  31. 331
  32. 49
  33. 8
  34. 68
  35. 14
  36. 82
  37. 54
  38. 729
  39. 4
  40. 136

Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths