← Mixed mental challenge lesson New set →

Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 400 · 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 cricket match starts at 3:25 and the first innings ends at 4:30. How many minutes did the innings last?
  2. 2.55 + 34 =
  3. 3.505 − 492 =
  4. 4.86 + 5 =
  5. 5.127 children stand in rows of 8. How many full rows can they make?
  6. 6.56 ÷ 4 =
  7. 7.A cricket match starts at 7:25 and the first innings ends at 8:35. How many minutes did the innings last?
  8. 8.86 children stand in rows of 8. How many full rows can they make?
  9. 9.76 − 46 =
  10. 10.306 ÷ 6 =
  11. 11.A film starts at 4:20 and ends at 5:40. How many minutes long is the film?
  12. 12.You buy a cricket ball for ₹21 and pay with a ₹100 note. How much change do you get, in rupees?
  13. 13.Best estimate of 19 × 36? (a) 8000 (b) 80 (c) 800
  14. 14.25% of ₹710 =
  15. 15.99 − 53 =
  16. 16.108 − 94 =
  17. 17.26 + 7 =
  18. 18.324 ÷ 4 =
  19. 19.You buy a water bottle for ₹209 and pay with a ₹500 note. How much change do you get, in rupees?
  20. 20.98 − 47 =
  21. 21.304 − 286 =
  22. 22.126 ÷ 7 =
  23. 23.A train leaves at 7:50 and reaches the next city at 10:15. How many minutes is the journey?
  24. 24.You buy a pencil box for ₹35 and a pen for ₹16. You pay with a ₹100 note. How much change do you get, in rupees?
  25. 25.Half of 56 =
  26. 26.7 + ? = 10
  27. 27.50% of ₹880 =
  28. 28.You buy a pencil box for ₹40 and a pen for ₹11. You pay with a ₹100 note. How much change do you get, in rupees?
  29. 29.88 ÷ 8 =
  30. 30.66 + 9 =
  31. 31.You buy a notebook for ₹23 and pay with a ₹100 note. How much change do you get, in rupees?
  32. 32.10% of ₹200 =
  33. 33.774 ÷ 9 =
  34. 34.16² =
  35. 35.168 ÷ 8 =
  36. 36.17 + 5 =
  37. 37.7 + 6 =
  38. 38.216 ÷ 6 =
  39. 39.387 + 99 =
  40. 40.88 + 3 =

Answer key

  1. 65
  2. 89
  3. 13
  4. 91
  5. 15
  6. 14
  7. 70
  8. 10
  9. 30
  10. 51
  11. 80
  12. 79
  13. 800
  14. 177.5
  15. 46
  16. 14
  17. 33
  18. 81
  19. 291
  20. 51
  21. 18
  22. 18
  23. 145
  24. 49
  25. 28
  26. 3
  27. 440
  28. 49
  29. 11
  30. 75
  31. 77
  32. 20
  33. 86
  34. 256
  35. 21
  36. 22
  37. 13
  38. 36
  39. 486
  40. 91

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