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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 964 · 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. 1.37 × 8 =
  2. 2.53 − 42 =
  3. 3.Best estimate of 864 + 179? (a) 1100 (b) 900 (c) 1300
  4. 4.1 + ? = 10
  5. 5.82 − 69 =
  6. 6.15 + 16 =
  7. 7.A film starts at 4:30 and ends at 6:35. How many minutes long is the film?
  8. 8.78 + 12 =
  9. 9.A film starts at 2:05 and ends at 4:35. How many minutes long is the film?
  10. 10.62 × 4 =
  11. 11.97 − 49 =
  12. 12.3 + ? = 10
  13. 13.50% of ₹100 =
  14. 14.12 × 4 =
  15. 15.A train leaves at 8:30 and reaches the next city at 11:30. How many minutes is the journey?
  16. 16.29 + 4 =
  17. 17.76 − 22 =
  18. 18.6 + 5 =
  19. 19.77 + 6 =
  20. 20.1021 − 997 =
  21. 21.14 × 4 =
  22. 22.85 × 7 =
  23. 23.80 − 40 =
  24. 24.77 − 29 =
  25. 25.32 + 76 =
  26. 26.21² =
  27. 27.15 + 8 =
  28. 28.25 + 27 =
  29. 29.45 + 17 =
  30. 30.18 + 17 =
  31. 31.32 + ? = 100
  32. 32.50% of ₹770 =
  33. 33.16 + 19 =
  34. 34.41 + 89 =
  35. 35.17 + 5 =
  36. 36.What is the remainder when 61 is divided by 7?
  37. 37.184 ÷ 8 =
  38. 38.42 × 4 =
  39. 39.25% of ₹440 =
  40. 40.What is the remainder when 61 is divided by 5?

Answer key

  1. 296
  2. 11
  3. 1100
  4. 9
  5. 13
  6. 31
  7. 125
  8. 90
  9. 150
  10. 248
  11. 48
  12. 7
  13. 50
  14. 48
  15. 180
  16. 33
  17. 54
  18. 11
  19. 83
  20. 24
  21. 56
  22. 595
  23. 40
  24. 48
  25. 108
  26. 441
  27. 23
  28. 52
  29. 62
  30. 35
  31. 68
  32. 385
  33. 35
  34. 130
  35. 22
  36. 5
  37. 23
  38. 168
  39. 110
  40. 1

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