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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 333 · 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. 1.28 + 7 =
  2. 2.25% of ₹150 =
  3. 3.87 − 65 =
  4. 4.59 − 41 =
  5. 5.348 ÷ 6 =
  6. 6.99 × 5 =
  7. 7.160 ÷ 8 =
  8. 8.61 + 28 =
  9. 9.315 − 284 =
  10. 10.65 laddoos are packed in boxes of 7. How many laddoos are left over?
  11. 11.56 − 26 =
  12. 12.34 − 9 =
  13. 13.25 + 71 =
  14. 14.209 + 99 =
  15. 15.What is the remainder when 74 is divided by 6?
  16. 16.Best estimate of 29 × 13? (a) 30 (b) 300 (c) 3000
  17. 17.63 − 27 =
  18. 18.304 ÷ 8 =
  19. 19.59 − 28 =
  20. 20.75 + 7 =
  21. 21.A cricket match starts at 3:40 and the first innings ends at 4:55. How many minutes did the innings last?
  22. 22.A cricket match starts at 7:40 and the first innings ends at 8:35. How many minutes did the innings last?
  23. 23.59 − 19 =
  24. 24.18 + 17 =
  25. 25.28 + 29 =
  26. 26.You buy a cricket ball for ₹214 and pay with a ₹500 note. How much change do you get, in rupees?
  27. 27.22 + ? = 100
  28. 28.106 laddoos are packed in boxes of 7. How many laddoos are left over?
  29. 29.170 ÷ 5 =
  30. 30.73 + 73 =
  31. 31.14 + 15 =
  32. 32.Best estimate of 16 × 33? (a) 6000 (b) 600 (c) 60
  33. 33.320 ÷ 8 =
  34. 34.5% of ₹420 =
  35. 35.23 × 4 =
  36. 36.90 − 29 =
  37. 37.23 + 25 =
  38. 38.19 × 6 =
  39. 39.7 + 8 =
  40. 40.226 − 186 =

Answer key

  1. 35
  2. 37.5
  3. 22
  4. 18
  5. 58
  6. 495
  7. 20
  8. 89
  9. 31
  10. 2
  11. 30
  12. 25
  13. 96
  14. 308
  15. 2
  16. 300
  17. 36
  18. 38
  19. 31
  20. 82
  21. 75
  22. 55
  23. 40
  24. 35
  25. 57
  26. 286
  27. 78
  28. 1
  29. 34
  30. 146
  31. 29
  32. 600
  33. 40
  34. 21
  35. 92
  36. 61
  37. 48
  38. 114
  39. 15
  40. 40

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