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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 837 · 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. 1.312 − 293 =
  2. 2.Half of 132 =
  3. 3.82 + 31 =
  4. 4.66 + 6 =
  5. 5.6 + ? = 10
  6. 6.55 + 9 =
  7. 7.208 ÷ 8 =
  8. 8.105 − 92 =
  9. 9.1012 − 990 =
  10. 10.52 + 46 =
  11. 11.378 ÷ 7 =
  12. 12.What is the remainder when 31 is divided by 3?
  13. 13.648 ÷ 8 =
  14. 14.85 − 44 =
  15. 15.25 + 6 =
  16. 16.A train leaves at 3:35 and reaches the next city at 4:00. How many minutes is the journey?
  17. 17.74 − 45 =
  18. 18.9 + ? = 10
  19. 19.73 × 4 =
  20. 20.509 − 480 =
  21. 21.Double 65 =
  22. 22.42 + ? = 100
  23. 23.A film starts at 8:45 and ends at 9:55. How many minutes long is the film?
  24. 24.60 − 25 =
  25. 25.80 − 29 =
  26. 26.83 − 71 =
  27. 27.517 − 476 =
  28. 28.65 + 9 =
  29. 29.180 ÷ 4 =
  30. 30.17 × 8 =
  31. 31.679 ÷ 7 =
  32. 32.33 + ? = 100
  33. 33.61 − 48 =
  34. 34.21² =
  35. 35.A train leaves at 2:00 and reaches the next city at 3:30. How many minutes is the journey?
  36. 36.317 − 295 =
  37. 37.What is the remainder when 32 is divided by 7?
  38. 38.36 + 59 =
  39. 39.Half of 92 =
  40. 40.29 × 8 =

Answer key

  1. 19
  2. 66
  3. 113
  4. 72
  5. 4
  6. 64
  7. 26
  8. 13
  9. 22
  10. 98
  11. 54
  12. 1
  13. 81
  14. 41
  15. 31
  16. 25
  17. 29
  18. 1
  19. 292
  20. 29
  21. 130
  22. 58
  23. 70
  24. 35
  25. 51
  26. 12
  27. 41
  28. 74
  29. 45
  30. 136
  31. 97
  32. 67
  33. 13
  34. 441
  35. 90
  36. 22
  37. 4
  38. 95
  39. 46
  40. 232

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