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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 871 · 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.A cricket match starts at 1:05 and the first innings ends at 2:15. How many minutes did the innings last?
  2. 2.82 − 74 =
  3. 3.68 × 3 =
  4. 4.24² =
  5. 5.52 ÷ 4 =
  6. 6.28 + 49 =
  7. 7.72 + ? = 100
  8. 8.25 + 8 =
  9. 9.228 − 188 =
  10. 10.3 + ? = 10
  11. 11.26 × 4 =
  12. 12.What is the remainder when 51 is divided by 6?
  13. 13.52 + ? = 100
  14. 14.What is the remainder when 55 is divided by 4?
  15. 15.A cricket match starts at 1:00 and the first innings ends at 1:55. How many minutes did the innings last?
  16. 16.38 × 8 =
  17. 17.738 ÷ 9 =
  18. 18.6 + 6 =
  19. 19.Double 49 =
  20. 20.503 − 492 =
  21. 21.312 ÷ 8 =
  22. 22.73 + 21 =
  23. 23.75 − 44 =
  24. 24.82 + 23 =
  25. 25.16 × 8 =
  26. 26.29 − 19 =
  27. 27.A film starts at 1:45 and ends at 3:30. How many minutes long is the film?
  28. 28.62 − 49 =
  29. 29.6 + ? = 10
  30. 30.21² =
  31. 31.85 − 29 =
  32. 32.5% of ₹80 =
  33. 33.1004 − 997 =
  34. 34.14 × 8 =
  35. 35.13 + ? = 100
  36. 36.261 ÷ 9 =
  37. 37.Half of 116 =
  38. 38.141 ÷ 3 =
  39. 39.13 × 8 =
  40. 40.12 + 14 =

Answer key

  1. 70
  2. 8
  3. 204
  4. 576
  5. 13
  6. 77
  7. 28
  8. 33
  9. 40
  10. 7
  11. 104
  12. 3
  13. 48
  14. 3
  15. 55
  16. 304
  17. 82
  18. 12
  19. 98
  20. 11
  21. 39
  22. 94
  23. 31
  24. 105
  25. 128
  26. 10
  27. 105
  28. 13
  29. 4
  30. 441
  31. 56
  32. 4
  33. 7
  34. 112
  35. 87
  36. 29
  37. 58
  38. 47
  39. 104
  40. 26

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