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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 330 · 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. 1.73 − 35 =
  2. 2.A film starts at 3:25 and ends at 6:20. How many minutes long is the film?
  3. 3.138 ÷ 3 =
  4. 4.64 − 17 =
  5. 5.Best estimate of 759 + 573? (a) 1200 (b) 1600 (c) 1400
  6. 6.56 × 4 =
  7. 7.What is the remainder when 41 is divided by 3?
  8. 8.1006 − 994 =
  9. 9.15² =
  10. 10.73 + 86 =
  11. 11.28² =
  12. 12.252 ÷ 7 =
  13. 13.48 + ? = 100
  14. 14.526 − 477 =
  15. 15.384 ÷ 6 =
  16. 16.A film starts at 8:40 and ends at 10:30. How many minutes long is the film?
  17. 17.You buy a cricket ball for ₹25 and a pen for ₹18. You pay with a ₹100 note. How much change do you get, in rupees?
  18. 18.17 + 19 =
  19. 19.21² =
  20. 20.316 ÷ 4 =
  21. 21.483 − 99 =
  22. 22.34 × 8 =
  23. 23.22 + 65 =
  24. 24.A cricket match starts at 6:55 and the first innings ends at 8:55. How many minutes did the innings last?
  25. 25.288 ÷ 8 =
  26. 26.73 − 42 =
  27. 27.20 + ? = 100
  28. 28.You buy a notebook for ₹428 and pay with a ₹500 note. How much change do you get, in rupees?
  29. 29.71 + 79 =
  30. 30.16 + 9 =
  31. 31.521 − 99 =
  32. 32.5 + ? = 10
  33. 33.192 ÷ 4 =
  34. 34.12 × 6 =
  35. 35.Best estimate of 21 × 21? (a) 40 (b) 4000 (c) 400
  36. 36.A cricket match starts at 5:05 and the first innings ends at 6:15. How many minutes did the innings last?
  37. 37.What is the remainder when 131 is divided by 9?
  38. 38.55 × 6 =
  39. 39.48 + 36 =
  40. 40.58 × 4 =

Answer key

  1. 38
  2. 175
  3. 46
  4. 47
  5. 1400
  6. 224
  7. 2
  8. 12
  9. 225
  10. 159
  11. 784
  12. 36
  13. 52
  14. 49
  15. 64
  16. 110
  17. 57
  18. 36
  19. 441
  20. 79
  21. 384
  22. 272
  23. 87
  24. 120
  25. 36
  26. 31
  27. 80
  28. 72
  29. 150
  30. 25
  31. 422
  32. 5
  33. 48
  34. 72
  35. 400
  36. 70
  37. 5
  38. 330
  39. 84
  40. 232

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