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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 403 · 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. 1.75 − 39 =
  2. 2.63 − 19 =
  3. 3.73 × 9 =
  4. 4.272 ÷ 8 =
  5. 5.679 ÷ 7 =
  6. 6.92 − 24 =
  7. 7.Double 77 =
  8. 8.26 + 19 =
  9. 9.510 − 486 =
  10. 10.29 children stand in rows of 7. How many full rows can they make?
  11. 11.204 − 193 =
  12. 12.25% of ₹500 =
  13. 13.60 − 38 =
  14. 14.47 + 7 =
  15. 15.10% of ₹620 =
  16. 16.515 − 477 =
  17. 17.57 − 14 =
  18. 18.553 ÷ 7 =
  19. 19.8 + ? = 10
  20. 20.37 + 7 =
  21. 21.80 − 18 =
  22. 22.28 + 29 =
  23. 23.You buy a storybook for ₹314 and pay with a ₹500 note. How much change do you get, in rupees?
  24. 24.61 + 54 =
  25. 25.86 × 9 =
  26. 26.19² =
  27. 27.75 laddoos are packed in boxes of 9. How many laddoos are left over?
  28. 28.225 ÷ 3 =
  29. 29.A film starts at 2:55 and ends at 6:10. How many minutes long is the film?
  30. 30.23 × 8 =
  31. 31.52 children stand in rows of 8. How many full rows can they make?
  32. 32.78 − 34 =
  33. 33.17 + 19 =
  34. 34.32 × 8 =
  35. 35.What is the remainder when 54 is divided by 7?
  36. 36.89 + 4 =
  37. 37.518 − 481 =
  38. 38.21² =
  39. 39.50% of ₹150 =
  40. 40.29 × 8 =

Answer key

  1. 36
  2. 44
  3. 657
  4. 34
  5. 97
  6. 68
  7. 154
  8. 45
  9. 24
  10. 4
  11. 11
  12. 125
  13. 22
  14. 54
  15. 62
  16. 38
  17. 43
  18. 79
  19. 2
  20. 44
  21. 62
  22. 57
  23. 186
  24. 115
  25. 774
  26. 361
  27. 3
  28. 75
  29. 195
  30. 184
  31. 6
  32. 44
  33. 36
  34. 256
  35. 5
  36. 93
  37. 37
  38. 441
  39. 75
  40. 232

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