← Mixed mental challenge lesson New set →

Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 69 · 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 1:45 and ends at 4:10. How many minutes long is the film?
  2. 2.35 − 19 =
  3. 3.342 ÷ 6 =
  4. 4.97 − 15 =
  5. 5.Best estimate of 717 + 307? (a) 1000 (b) 1200 (c) 800
  6. 6.14 − 9 =
  7. 7.103 − 94 =
  8. 8.50 + 18 =
  9. 9.What is the remainder when 20 is divided by 3?
  10. 10.22 + 19 =
  11. 11.7 + 5 =
  12. 12.22 + ? = 100
  13. 13.125 ÷ 5 =
  14. 14.You start your homework at 6:15 and finish at 8:40. How many minutes did you work?
  15. 15.47 + 75 =
  16. 16.10% of ₹720 =
  17. 17.13 × 6 =
  18. 18.51 − 46 =
  19. 19.19 + 18 =
  20. 20.50% of ₹200 =
  21. 21.1015 − 984 =
  22. 22.23 children stand in rows of 4. How many full rows can they make?
  23. 23.Best estimate of 262 + 248? (a) 500 (b) 300 (c) 700
  24. 24.200 ÷ 8 =
  25. 25.You buy a water bottle for ₹34 and a pen for ₹30. You pay with a ₹100 note. How much change do you get, in rupees?
  26. 26.23² =
  27. 27.53 × 4 =
  28. 28.110 − 67 =
  29. 29.76 × 9 =
  30. 30.6 + 8 =
  31. 31.33 + 51 =
  32. 32.38 × 8 =
  33. 33.22² =
  34. 34.15² =
  35. 35.66 × 4 =
  36. 36.68 + 71 =
  37. 37.184 ÷ 8 =
  38. 38.21² =
  39. 39.88 + 21 =
  40. 40.47 + 5 =

Answer key

  1. 145
  2. 16
  3. 57
  4. 82
  5. 1000
  6. 5
  7. 9
  8. 68
  9. 2
  10. 41
  11. 12
  12. 78
  13. 25
  14. 145
  15. 122
  16. 72
  17. 78
  18. 5
  19. 37
  20. 100
  21. 31
  22. 5
  23. 500
  24. 25
  25. 36
  26. 529
  27. 212
  28. 43
  29. 684
  30. 14
  31. 84
  32. 304
  33. 484
  34. 225
  35. 264
  36. 139
  37. 23
  38. 441
  39. 109
  40. 52

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