← Mixed mental challenge lesson New set →

Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 507 · 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.A film starts at 5:10 and ends at 8:25. How many minutes long is the film?
  2. 2.164 ÷ 4 =
  3. 3.50 + 51 =
  4. 4.48 children stand in rows of 5. How many full rows can they make?
  5. 5.50% of ₹60 =
  6. 6.Double 98 =
  7. 7.136 ÷ 8 =
  8. 8.73 − 30 =
  9. 9.Double 51 =
  10. 10.7 + 9 =
  11. 11.79 − 13 =
  12. 12.87 − 26 =
  13. 13.821 − 99 =
  14. 14.215 ÷ 5 =
  15. 15.25 + 12 =
  16. 16.14 + 15 =
  17. 17.68 − 29 =
  18. 18.22 + 23 =
  19. 19.37 + 6 =
  20. 20.170 − 99 =
  21. 21.11² =
  22. 22.80 − 34 =
  23. 23.78 − 41 =
  24. 24.Half of 52 =
  25. 25.Double 82 =
  26. 26.Best estimate of 33 × 81? (a) 240 (b) 24000 (c) 2400
  27. 27.Double 21 =
  28. 28.50% of ₹80 =
  29. 29.Double 77 =
  30. 30.What is the remainder when 26 is divided by 4?
  31. 31.You start your homework at 7:45 and finish at 8:20. How many minutes did you work?
  32. 32.82 + 21 =
  33. 33.80 − 61 =
  34. 34.14 + 13 =
  35. 35.4 + ? = 10
  36. 36.64 ÷ 4 =
  37. 37.You start your homework at 8:40 and finish at 10:55. How many minutes did you work?
  38. 38.49 × 4 =
  39. 39.You buy a notebook for ₹96 and pay with a ₹100 note. How much change do you get, in rupees?
  40. 40.13² =

Answer key

  1. 195
  2. 41
  3. 101
  4. 9
  5. 30
  6. 196
  7. 17
  8. 43
  9. 102
  10. 16
  11. 66
  12. 61
  13. 722
  14. 43
  15. 37
  16. 29
  17. 39
  18. 45
  19. 43
  20. 71
  21. 121
  22. 46
  23. 37
  24. 26
  25. 164
  26. 2400
  27. 42
  28. 40
  29. 154
  30. 2
  31. 35
  32. 103
  33. 19
  34. 27
  35. 6
  36. 16
  37. 135
  38. 196
  39. 4
  40. 169

Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths