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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 721 · 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. 1.342 ÷ 6 =
  2. 2.21² =
  3. 3.1014 − 984 =
  4. 4.89 + 2 =
  5. 5.22 + 24 =
  6. 6.What is the remainder when 14 is divided by 3?
  7. 7.57 × 4 =
  8. 8.84 ÷ 3 =
  9. 9.53 + 19 =
  10. 10.Best estimate of 156 + 123? (a) 300 (b) 500 (c) 100
  11. 11.25% of ₹320 =
  12. 12.Double 89 =
  13. 13.39 + 6 =
  14. 14.92 × 7 =
  15. 15.A train leaves at 6:40 and reaches the next city at 9:00. How many minutes is the journey?
  16. 16.21 × 3 =
  17. 17.35 + 85 =
  18. 18.34 + 9 =
  19. 19.17 + 8 =
  20. 20.11² =
  21. 21.28 + ? = 100
  22. 22.29 × 8 =
  23. 23.54 × 4 =
  24. 24.40 × 4 =
  25. 25.A cricket match starts at 6:00 and the first innings ends at 9:15. How many minutes did the innings last?
  26. 26.A cricket match starts at 5:00 and the first innings ends at 7:00. How many minutes did the innings last?
  27. 27.38 + ? = 100
  28. 28.28 × 4 =
  29. 29.10% of ₹240 =
  30. 30.47 + 19 =
  31. 31.68 + 7 =
  32. 32.172 ÷ 4 =
  33. 33.22 children stand in rows of 3. How many full rows can they make?
  34. 34.22 − 19 =
  35. 35.Double 73 =
  36. 36.52 − 21 =
  37. 37.7 + ? = 10
  38. 38.18 + 19 =
  39. 39.67 × 4 =
  40. 40.19² =

Answer key

  1. 57
  2. 441
  3. 30
  4. 91
  5. 46
  6. 2
  7. 228
  8. 28
  9. 72
  10. 300
  11. 80
  12. 178
  13. 45
  14. 644
  15. 140
  16. 63
  17. 120
  18. 43
  19. 25
  20. 121
  21. 72
  22. 232
  23. 216
  24. 160
  25. 195
  26. 120
  27. 62
  28. 112
  29. 24
  30. 66
  31. 75
  32. 43
  33. 7
  34. 3
  35. 146
  36. 31
  37. 3
  38. 37
  39. 268
  40. 361

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