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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 548 · 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. 1.21² =
  2. 2.24² =
  3. 3.A train leaves at 3:45 and reaches the next city at 5:35. How many minutes is the journey?
  4. 4.513 − 493 =
  5. 5.What is the remainder when 55 is divided by 4?
  6. 6.25 + 7 =
  7. 7.5% of ₹300 =
  8. 8.10 + 11 =
  9. 9.42 × 4 =
  10. 10.513 − 483 =
  11. 11.37 × 3 =
  12. 12.16 + 17 =
  13. 13.31 × 6 =
  14. 14.A cricket match starts at 3:15 and the first innings ends at 4:25. How many minutes did the innings last?
  15. 15.56 + 73 =
  16. 16.26 + ? = 100
  17. 17.Double 37 =
  18. 18.96 − 57 =
  19. 19.A film starts at 6:30 and ends at 8:00. How many minutes long is the film?
  20. 20.96 − 19 =
  21. 21.32 + 55 =
  22. 22.75 × 5 =
  23. 23.31 + 36 =
  24. 24.22² =
  25. 25.145 + 99 =
  26. 26.75 × 4 =
  27. 27.72 + ? = 100
  28. 28.147 ÷ 7 =
  29. 29.27 − 9 =
  30. 30.What is the remainder when 131 is divided by 9?
  31. 31.25% of ₹690 =
  32. 32.17 − 9 =
  33. 33.1 + ? = 10
  34. 34.131 children stand in rows of 9. How many full rows can they make?
  35. 35.22 + 23 =
  36. 36.103 − 68 =
  37. 37.78 ÷ 6 =
  38. 38.12² =
  39. 39.43 × 4 =
  40. 40.12 + 13 =

Answer key

  1. 441
  2. 576
  3. 110
  4. 20
  5. 3
  6. 32
  7. 15
  8. 21
  9. 168
  10. 30
  11. 111
  12. 33
  13. 186
  14. 70
  15. 129
  16. 74
  17. 74
  18. 39
  19. 90
  20. 77
  21. 87
  22. 375
  23. 67
  24. 484
  25. 244
  26. 300
  27. 28
  28. 21
  29. 18
  30. 5
  31. 172.5
  32. 8
  33. 9
  34. 14
  35. 45
  36. 35
  37. 13
  38. 144
  39. 172
  40. 25

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