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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 735 · 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 ₹610 =
  2. 2.19 + ? = 100
  3. 3.882 ÷ 9 =
  4. 4.267 ÷ 3 =
  5. 5.416 + 99 =
  6. 6.221 − 177 =
  7. 7.100 children stand in rows of 7. How many full rows can they make?
  8. 8.57 + 9 =
  9. 9.You buy a kite for ₹64 and pay with a ₹100 note. How much change do you get, in rupees?
  10. 10.1015 − 988 =
  11. 11.Half of 110 =
  12. 12.28 + 17 =
  13. 13.You buy a kite for ₹215 and pay with a ₹500 note. How much change do you get, in rupees?
  14. 14.50% of ₹130 =
  15. 15.Best estimate of 606 + 778? (a) 1400 (b) 1200 (c) 1600
  16. 16.144 ÷ 4 =
  17. 17.10% of ₹230 =
  18. 18.315 − 284 =
  19. 19.74 children stand in rows of 6. How many full rows can they make?
  20. 20.You buy a pencil box for ₹326 and pay with a ₹500 note. How much change do you get, in rupees?
  21. 21.1004 − 988 =
  22. 22.A train leaves at 1:15 and reaches the next city at 2:35. How many minutes is the journey?
  23. 23.59 − 28 =
  24. 24.216 ÷ 3 =
  25. 25.12² =
  26. 26.106 − 72 =
  27. 27.28 + 89 =
  28. 28.28 + 29 =
  29. 29.39 ÷ 3 =
  30. 30.A film starts at 5:25 and ends at 6:05. How many minutes long is the film?
  31. 31.18 + 4 =
  32. 32.62 + 81 =
  33. 33.5% of ₹380 =
  34. 34.58 × 4 =
  35. 35.12 + ? = 100
  36. 36.33 + 21 =
  37. 37.37 × 4 =
  38. 38.5% of ₹560 =
  39. 39.73 × 6 =
  40. 40.26 + 5 =

Answer key

  1. 30.5
  2. 81
  3. 98
  4. 89
  5. 515
  6. 44
  7. 14
  8. 66
  9. 36
  10. 27
  11. 55
  12. 45
  13. 285
  14. 65
  15. 1400
  16. 36
  17. 23
  18. 31
  19. 12
  20. 174
  21. 16
  22. 80
  23. 31
  24. 72
  25. 144
  26. 34
  27. 117
  28. 57
  29. 13
  30. 40
  31. 22
  32. 143
  33. 19
  34. 232
  35. 88
  36. 54
  37. 148
  38. 28
  39. 438
  40. 31

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