← Mixed mental challenge lesson New set →

Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 628 · 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. 1.105 ÷ 5 =
  2. 2.22 × 7 =
  3. 3.17² =
  4. 4.264 ÷ 8 =
  5. 5.29 − 9 =
  6. 6.You buy a kite for ₹411 and pay with a ₹500 note. How much change do you get, in rupees?
  7. 7.A train leaves at 4:35 and reaches the next city at 5:40. How many minutes is the journey?
  8. 8.83 + ? = 100
  9. 9.3 + ? = 10
  10. 10.66 + 6 =
  11. 11.You buy a kite for ₹35 and pay with a ₹100 note. How much change do you get, in rupees?
  12. 12.You buy a cricket ball for ₹30 and a pen for ₹14. You pay with a ₹100 note. How much change do you get, in rupees?
  13. 13.You buy a storybook for ₹23 and a pen for ₹31. You pay with a ₹100 note. How much change do you get, in rupees?
  14. 14.23 + 22 =
  15. 15.305 ÷ 5 =
  16. 16.132 ÷ 4 =
  17. 17.Best estimate of 49 × 16? (a) 1000 (b) 100 (c) 10000
  18. 18.10% of ₹440 =
  19. 19.You start your homework at 5:25 and finish at 6:10. How many minutes did you work?
  20. 20.168 ÷ 7 =
  21. 21.59 + ? = 100
  22. 22.55 − 18 =
  23. 23.95 − 19 =
  24. 24.216 ÷ 4 =
  25. 25.10 + 12 =
  26. 26.9 + 11 =
  27. 27.24 + 25 =
  28. 28.29 + 36 =
  29. 29.89 × 8 =
  30. 30.301 ÷ 7 =
  31. 31.608 ÷ 8 =
  32. 32.You buy a water bottle for ₹68 and pay with a ₹100 note. How much change do you get, in rupees?
  33. 33.110 − 76 =
  34. 34.36 − 19 =
  35. 35.14² =
  36. 36.62 − 12 =
  37. 37.85 + 16 =
  38. 38.25 + ? = 100
  39. 39.511 ÷ 7 =
  40. 40.6 + ? = 10

Answer key

  1. 21
  2. 154
  3. 289
  4. 33
  5. 20
  6. 89
  7. 65
  8. 17
  9. 7
  10. 72
  11. 65
  12. 56
  13. 46
  14. 45
  15. 61
  16. 33
  17. 1000
  18. 44
  19. 45
  20. 24
  21. 41
  22. 37
  23. 76
  24. 54
  25. 22
  26. 20
  27. 49
  28. 65
  29. 712
  30. 43
  31. 76
  32. 32
  33. 34
  34. 17
  35. 196
  36. 50
  37. 101
  38. 75
  39. 73
  40. 4

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