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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 463 · 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. 1.90 − 22 =
  2. 2.248 ÷ 8 =
  3. 3.144 ÷ 8 =
  4. 4.23² =
  5. 5.57 − 13 =
  6. 6.39 × 4 =
  7. 7.16 + 5 =
  8. 8.5% of ₹380 =
  9. 9.85 × 8 =
  10. 10.You buy a notebook for ₹27 and a pen for ₹21. You pay with a ₹100 note. How much change do you get, in rupees?
  11. 11.50% of ₹150 =
  12. 12.25 + 27 =
  13. 13.A film starts at 1:30 and ends at 2:45. How many minutes long is the film?
  14. 14.42 × 4 =
  15. 15.24 × 3 =
  16. 16.34 × 3 =
  17. 17.26 + 27 =
  18. 18.You buy a cricket ball for ₹173 and pay with a ₹500 note. How much change do you get, in rupees?
  19. 19.581 ÷ 7 =
  20. 20.17 × 7 =
  21. 21.309 − 288 =
  22. 22.104 − 95 =
  23. 23.25 children stand in rows of 3. How many full rows can they make?
  24. 24.97 × 7 =
  25. 25.Half of 160 =
  26. 26.5% of ₹820 =
  27. 27.Half of 104 =
  28. 28.10% of ₹780 =
  29. 29.224 ÷ 4 =
  30. 30.12² =
  31. 31.93 − 77 =
  32. 32.59 × 4 =
  33. 33.75 laddoos are packed in boxes of 9. How many laddoos are left over?
  34. 34.8 + ? = 10
  35. 35.27 × 3 =
  36. 36.27² =
  37. 37.45 + ? = 100
  38. 38.21² =
  39. 39.51 + 29 =
  40. 40.Half of 34 =

Answer key

  1. 68
  2. 31
  3. 18
  4. 529
  5. 44
  6. 156
  7. 21
  8. 19
  9. 680
  10. 52
  11. 75
  12. 52
  13. 75
  14. 168
  15. 72
  16. 102
  17. 53
  18. 327
  19. 83
  20. 119
  21. 21
  22. 9
  23. 8
  24. 679
  25. 80
  26. 41
  27. 52
  28. 78
  29. 56
  30. 144
  31. 16
  32. 236
  33. 3
  34. 2
  35. 81
  36. 729
  37. 55
  38. 441
  39. 80
  40. 17

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