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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 933 · 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 film starts at 2:10 and ends at 4:05. How many minutes long is the film?
  2. 2.Half of 40 =
  3. 3.19² =
  4. 4.80 − 9 =
  5. 5.56 × 4 =
  6. 6.58 + 48 =
  7. 7.85 − 29 =
  8. 8.29² =
  9. 9.49 + 5 =
  10. 10.Double 63 =
  11. 11.7 + ? = 10
  12. 12.39 + 53 =
  13. 13.11² =
  14. 14.9 + 10 =
  15. 15.228 − 184 =
  16. 16.17 + 9 =
  17. 17.265 ÷ 5 =
  18. 18.39 + 28 =
  19. 19.49 × 4 =
  20. 20.1 + ? = 10
  21. 21.89 − 19 =
  22. 22.19 + 4 =
  23. 23.24 + 25 =
  24. 24.32 + 73 =
  25. 25.7 + 6 =
  26. 26.13 + ? = 100
  27. 27.Half of 102 =
  28. 28.49 + 31 =
  29. 29.79 − 67 =
  30. 30.94 − 81 =
  31. 31.41 + 57 =
  32. 32.27 + 29 =
  33. 33.18 × 7 =
  34. 34.76 + 19 =
  35. 35.84 + ? = 100
  36. 36.19 × 6 =
  37. 37.28 + 29 =
  38. 38.51 + 26 =
  39. 39.6 + 8 =
  40. 40.148 ÷ 4 =

Answer key

  1. 115
  2. 20
  3. 361
  4. 71
  5. 224
  6. 106
  7. 56
  8. 841
  9. 54
  10. 126
  11. 3
  12. 92
  13. 121
  14. 19
  15. 44
  16. 26
  17. 53
  18. 67
  19. 196
  20. 9
  21. 70
  22. 23
  23. 49
  24. 105
  25. 13
  26. 87
  27. 51
  28. 80
  29. 12
  30. 13
  31. 98
  32. 56
  33. 126
  34. 95
  35. 16
  36. 114
  37. 57
  38. 77
  39. 14
  40. 37

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