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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 590 · 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. 1.21 × 8 =
  2. 2.34 × 6 =
  3. 3.What is the remainder when 26 is divided by 4?
  4. 4.9 + ? = 10
  5. 5.You start your homework at 8:10 and finish at 9:55. How many minutes did you work?
  6. 6.17 children stand in rows of 4. How many full rows can they make?
  7. 7.66 + 7 =
  8. 8.10% of ₹550 =
  9. 9.192 ÷ 8 =
  10. 10.A cricket match starts at 3:45 and the first innings ends at 5:15. How many minutes did the innings last?
  11. 11.140 ÷ 4 =
  12. 12.A train leaves at 4:50 and reaches the next city at 6:55. How many minutes is the journey?
  13. 13.95 − 77 =
  14. 14.8 + 9 =
  15. 15.Half of 156 =
  16. 16.71 − 26 =
  17. 17.312 − 285 =
  18. 18.You buy a box of crayons for ₹27 and a pen for ₹35. You pay with a ₹100 note. How much change do you get, in rupees?
  19. 19.99 − 46 =
  20. 20.65 + 42 =
  21. 21.320 ÷ 8 =
  22. 22.Best estimate of 507 + 291? (a) 1000 (b) 600 (c) 800
  23. 23.26² =
  24. 24.39 × 8 =
  25. 25.36 + 34 =
  26. 26.You buy a storybook for ₹72 and pay with a ₹100 note. How much change do you get, in rupees?
  27. 27.38 + ? = 100
  28. 28.A film starts at 1:20 and ends at 2:15. How many minutes long is the film?
  29. 29.25 + 7 =
  30. 30.56 + 19 =
  31. 31.329 − 290 =
  32. 32.55 − 13 =
  33. 33.76 − 53 =
  34. 34.A film starts at 8:10 and ends at 9:00. How many minutes long is the film?
  35. 35.You start your homework at 1:00 and finish at 3:25. How many minutes did you work?
  36. 36.84 − 47 =
  37. 37.Double 22 =
  38. 38.315 − 285 =
  39. 39.Double 56 =
  40. 40.You buy a box of crayons for ₹175 and pay with a ₹500 note. How much change do you get, in rupees?

Answer key

  1. 168
  2. 204
  3. 2
  4. 1
  5. 105
  6. 4
  7. 73
  8. 55
  9. 24
  10. 90
  11. 35
  12. 125
  13. 18
  14. 17
  15. 78
  16. 45
  17. 27
  18. 38
  19. 53
  20. 107
  21. 40
  22. 800
  23. 676
  24. 312
  25. 70
  26. 28
  27. 62
  28. 55
  29. 32
  30. 75
  31. 39
  32. 42
  33. 23
  34. 50
  35. 145
  36. 37
  37. 44
  38. 30
  39. 112
  40. 325

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