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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 275 · 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. 1.5% of ₹660 =
  2. 2.27 + 29 =
  3. 3.22² =
  4. 4.You start your homework at 1:30 and finish at 3:25. How many minutes did you work?
  5. 5.112 ÷ 8 =
  6. 6.108 ÷ 3 =
  7. 7.114 ÷ 3 =
  8. 8.8 + ? = 10
  9. 9.You buy a kite for ₹39 and pay with a ₹100 note. How much change do you get, in rupees?
  10. 10.Best estimate of 56 × 28? (a) 18000 (b) 180 (c) 1800
  11. 11.79 + 9 =
  12. 12.A train leaves at 1:35 and reaches the next city at 4:30. How many minutes is the journey?
  13. 13.498 ÷ 6 =
  14. 14.73 × 8 =
  15. 15.56 ÷ 4 =
  16. 16.9 + 8 =
  17. 17.What is the remainder when 46 is divided by 7?
  18. 18.You buy a cricket ball for ₹246 and pay with a ₹500 note. How much change do you get, in rupees?
  19. 19.1005 − 978 =
  20. 20.28 × 8 =
  21. 21.You buy a kite for ₹40 and a pen for ₹20. You pay with a ₹100 note. How much change do you get, in rupees?
  22. 22.85 − 57 =
  23. 23.68 + 28 =
  24. 24.A train leaves at 4:10 and reaches the next city at 4:35. How many minutes is the journey?
  25. 25.66 × 4 =
  26. 26.16² =
  27. 27.48 ÷ 4 =
  28. 28.60 − 9 =
  29. 29.A train leaves at 4:30 and reaches the next city at 5:20. How many minutes is the journey?
  30. 30.45 ÷ 3 =
  31. 31.68 + 58 =
  32. 32.76 + ? = 100
  33. 33.15 × 4 =
  34. 34.Best estimate of 418 + 567? (a) 1000 (b) 1200 (c) 800
  35. 35.577 − 99 =
  36. 36.54 − 19 =
  37. 37.196 ÷ 7 =
  38. 38.A film starts at 4:50 and ends at 6:15. How many minutes long is the film?
  39. 39.Half of 190 =
  40. 40.10% of ₹350 =

Answer key

  1. 33
  2. 56
  3. 484
  4. 115
  5. 14
  6. 36
  7. 38
  8. 2
  9. 61
  10. 1800
  11. 88
  12. 175
  13. 83
  14. 584
  15. 14
  16. 17
  17. 4
  18. 254
  19. 27
  20. 224
  21. 40
  22. 28
  23. 96
  24. 25
  25. 264
  26. 256
  27. 12
  28. 51
  29. 50
  30. 15
  31. 126
  32. 24
  33. 60
  34. 1000
  35. 478
  36. 35
  37. 28
  38. 85
  39. 95
  40. 35

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