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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 834 · 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. 1.3 + ? = 10
  2. 2.22 × 7 =
  3. 3.A cricket match starts at 1:00 and the first innings ends at 4:00. How many minutes did the innings last?
  4. 4.What is the remainder when 114 is divided by 8?
  5. 5.A train leaves at 3:45 and reaches the next city at 5:15. How many minutes is the journey?
  6. 6.132 ÷ 6 =
  7. 7.78 − 67 =
  8. 8.66 − 29 =
  9. 9.40 + 25 =
  10. 10.1018 − 996 =
  11. 11.468 − 99 =
  12. 12.You start your homework at 2:15 and finish at 3:20. How many minutes did you work?
  13. 13.22 + 29 =
  14. 14.69 + 2 =
  15. 15.67 − 9 =
  16. 16.Best estimate of 46 × 21? (a) 1000 (b) 10000 (c) 100
  17. 17.34 + 89 =
  18. 18.91 × 6 =
  19. 19.You start your homework at 8:50 and finish at 11:05. How many minutes did you work?
  20. 20.32 − 19 =
  21. 21.88 − 35 =
  22. 22.You buy a notebook for ₹42 and a pen for ₹34. You pay with a ₹100 note. How much change do you get, in rupees?
  23. 23.1 + ? = 10
  24. 24.37 × 8 =
  25. 25.Best estimate of 215 + 248? (a) 200 (b) 600 (c) 400
  26. 26.Best estimate of 799 + 831? (a) 1800 (b) 1400 (c) 1600
  27. 27.312 − 291 =
  28. 28.21² =
  29. 29.13 + 9 =
  30. 30.You buy a cricket ball for ₹15 and a pen for ₹18. You pay with a ₹100 note. How much change do you get, in rupees?
  31. 31.42 laddoos are packed in boxes of 4. How many laddoos are left over?
  32. 32.60 × 4 =
  33. 33.A film starts at 5:05 and ends at 7:45. How many minutes long is the film?
  34. 34.302 − 285 =
  35. 35.39 + 5 =
  36. 36.23 + 9 =
  37. 37.You buy a cricket ball for ₹262 and pay with a ₹500 note. How much change do you get, in rupees?
  38. 38.A film starts at 6:45 and ends at 7:20. How many minutes long is the film?
  39. 39.5% of ₹840 =
  40. 40.17 + 19 =

Answer key

  1. 7
  2. 154
  3. 180
  4. 2
  5. 90
  6. 22
  7. 11
  8. 37
  9. 65
  10. 22
  11. 369
  12. 65
  13. 51
  14. 71
  15. 58
  16. 1000
  17. 123
  18. 546
  19. 135
  20. 13
  21. 53
  22. 24
  23. 9
  24. 296
  25. 400
  26. 1600
  27. 21
  28. 441
  29. 22
  30. 67
  31. 2
  32. 240
  33. 160
  34. 17
  35. 44
  36. 32
  37. 238
  38. 35
  39. 42
  40. 36

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