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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 379 · 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. 1.66 + ? = 100
  2. 2.329 ÷ 7 =
  3. 3.637 ÷ 7 =
  4. 4.255 ÷ 5 =
  5. 5.Double 66 =
  6. 6.31 × 7 =
  7. 7.287 ÷ 7 =
  8. 8.53 × 6 =
  9. 9.432 ÷ 8 =
  10. 10.3 + ? = 10
  11. 11.333 ÷ 9 =
  12. 12.Double 98 =
  13. 13.112 − 85 =
  14. 14.371 ÷ 7 =
  15. 15.22 + 19 =
  16. 16.192 ÷ 8 =
  17. 17.Half of 122 =
  18. 18.477 ÷ 9 =
  19. 19.31 + 46 =
  20. 20.A train leaves at 5:50 and reaches the next city at 6:50. How many minutes is the journey?
  21. 21.45 + ? = 100
  22. 22.66 × 4 =
  23. 23.Half of 188 =
  24. 24.70 × 4 =
  25. 25.Half of 28 =
  26. 26.89 − 66 =
  27. 27.9 + 10 =
  28. 28.What is the remainder when 44 is divided by 3?
  29. 29.504 ÷ 8 =
  30. 30.109 − 64 =
  31. 31.248 ÷ 8 =
  32. 32.396 ÷ 9 =
  33. 33.75 + 8 =
  34. 34.A cricket match starts at 3:40 and the first innings ends at 5:00. How many minutes did the innings last?
  35. 35.23 + ? = 100
  36. 36.12 + 14 =
  37. 37.10% of ₹140 =
  38. 38.27 + 85 =
  39. 39.10% of ₹230 =
  40. 40.17 × 4 =

Answer key

  1. 34
  2. 47
  3. 91
  4. 51
  5. 132
  6. 217
  7. 41
  8. 318
  9. 54
  10. 7
  11. 37
  12. 196
  13. 27
  14. 53
  15. 41
  16. 24
  17. 61
  18. 53
  19. 77
  20. 60
  21. 55
  22. 264
  23. 94
  24. 280
  25. 14
  26. 23
  27. 19
  28. 2
  29. 63
  30. 45
  31. 31
  32. 44
  33. 83
  34. 80
  35. 77
  36. 26
  37. 14
  38. 112
  39. 23
  40. 68

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