← Mixed mental challenge lesson New set →

Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 716 · 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. 1.11 + 10 =
  2. 2.12² =
  3. 3.26² =
  4. 4.70 − 9 =
  5. 5.70 × 4 =
  6. 6.22 + 67 =
  7. 7.773 + 99 =
  8. 8.152 ÷ 8 =
  9. 9.75 + 9 =
  10. 10.15² =
  11. 11.736 ÷ 8 =
  12. 12.You start your homework at 4:25 and finish at 6:00. How many minutes did you work?
  13. 13.58 − 37 =
  14. 14.15 + 9 =
  15. 15.12 × 6 =
  16. 16.26 + 6 =
  17. 17.15 + 8 =
  18. 18.218 − 193 =
  19. 19.41 × 4 =
  20. 20.A film starts at 5:35 and ends at 8:25. How many minutes long is the film?
  21. 21.212 − 99 =
  22. 22.98 × 4 =
  23. 23.256 ÷ 8 =
  24. 24.83 − 9 =
  25. 25.You buy a pencil box for ₹11 and a pen for ₹23. You pay with a ₹100 note. How much change do you get, in rupees?
  26. 26.What is the remainder when 99 is divided by 7?
  27. 27.4 + ? = 10
  28. 28.81 + 33 =
  29. 29.69 + 86 =
  30. 30.14² =
  31. 31.A film starts at 4:55 and ends at 7:15. How many minutes long is the film?
  32. 32.240 ÷ 4 =
  33. 33.22 + 9 =
  34. 34.A film starts at 3:30 and ends at 6:10. How many minutes long is the film?
  35. 35.You buy a notebook for ₹21 and a pen for ₹40. You pay with a ₹100 note. How much change do you get, in rupees?
  36. 36.You buy a cricket ball for ₹399 and pay with a ₹500 note. How much change do you get, in rupees?
  37. 37.A cricket match starts at 4:15 and the first innings ends at 5:15. How many minutes did the innings last?
  38. 38.39 + ? = 100
  39. 39.Half of 56 =
  40. 40.19 + 21 =

Answer key

  1. 21
  2. 144
  3. 676
  4. 61
  5. 280
  6. 89
  7. 872
  8. 19
  9. 84
  10. 225
  11. 92
  12. 95
  13. 21
  14. 24
  15. 72
  16. 32
  17. 23
  18. 25
  19. 164
  20. 170
  21. 113
  22. 392
  23. 32
  24. 74
  25. 66
  26. 1
  27. 6
  28. 114
  29. 155
  30. 196
  31. 140
  32. 60
  33. 31
  34. 160
  35. 39
  36. 101
  37. 60
  38. 61
  39. 28
  40. 40

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