← Mixed mental challenge lesson New set →

Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 390 · 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. 1.340 ÷ 4 =
  2. 2.Half of 56 =
  3. 3.88 + 4 =
  4. 4.83 − 67 =
  5. 5.6 + 8 =
  6. 6.107 − 56 =
  7. 7.39 + 88 =
  8. 8.A cricket match starts at 6:30 and the first innings ends at 8:50. How many minutes did the innings last?
  9. 9.32 × 4 =
  10. 10.32 + 19 =
  11. 11.170 ÷ 5 =
  12. 12.You buy a storybook for ₹42 and a pen for ₹20. You pay with a ₹100 note. How much change do you get, in rupees?
  13. 13.21² =
  14. 14.Half of 44 =
  15. 15.204 ÷ 4 =
  16. 16.228 ÷ 3 =
  17. 17.39 children stand in rows of 9. How many full rows can they make?
  18. 18.415 ÷ 5 =
  19. 19.What is the remainder when 88 is divided by 9?
  20. 20.87 − 71 =
  21. 21.304 − 298 =
  22. 22.71 − 48 =
  23. 23.68 − 21 =
  24. 24.81 × 6 =
  25. 25.What is the remainder when 29 is divided by 5?
  26. 26.112 ÷ 8 =
  27. 27.Half of 52 =
  28. 28.10% of ₹730 =
  29. 29.11 + ? = 100
  30. 30.59 − 25 =
  31. 31.24 × 8 =
  32. 32.Best estimate of 136 + 162? (a) 300 (b) 500 (c) 100
  33. 33.10% of ₹580 =
  34. 34.32 × 8 =
  35. 35.29 + 6 =
  36. 36.52 − 29 =
  37. 37.26 − 19 =
  38. 38.1011 − 983 =
  39. 39.13 + 14 =
  40. 40.60 − 25 =

Answer key

  1. 85
  2. 28
  3. 92
  4. 16
  5. 14
  6. 51
  7. 127
  8. 140
  9. 128
  10. 51
  11. 34
  12. 38
  13. 441
  14. 22
  15. 51
  16. 76
  17. 4
  18. 83
  19. 7
  20. 16
  21. 6
  22. 23
  23. 47
  24. 486
  25. 4
  26. 14
  27. 26
  28. 73
  29. 89
  30. 34
  31. 192
  32. 300
  33. 58
  34. 256
  35. 35
  36. 23
  37. 7
  38. 28
  39. 27
  40. 35

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