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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 457 · 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. 1.56 − 46 =
  2. 2.56 × 4 =
  3. 3.24 + 29 =
  4. 4.A train leaves at 4:15 and reaches the next city at 5:50. How many minutes is the journey?
  5. 5.189 ÷ 7 =
  6. 6.66 − 33 =
  7. 7.13² =
  8. 8.33 + ? = 100
  9. 9.Double 16 =
  10. 10.396 ÷ 9 =
  11. 11.1018 − 984 =
  12. 12.207 − 186 =
  13. 13.A cricket match starts at 6:15 and the first innings ends at 7:20. How many minutes did the innings last?
  14. 14.5 + 9 =
  15. 15.10% of ₹150 =
  16. 16.352 ÷ 4 =
  17. 17.147 ÷ 7 =
  18. 18.184 ÷ 4 =
  19. 19.203 − 180 =
  20. 20.27 + 15 =
  21. 21.5% of ₹490 =
  22. 22.Double 35 =
  23. 23.A film starts at 6:35 and ends at 7:15. How many minutes long is the film?
  24. 24.33 × 4 =
  25. 25.28 × 8 =
  26. 26.204 ÷ 4 =
  27. 27.Best estimate of 265 + 338? (a) 800 (b) 600 (c) 400
  28. 28.354 ÷ 6 =
  29. 29.25% of ₹740 =
  30. 30.66 − 54 =
  31. 31.21² =
  32. 32.240 ÷ 8 =
  33. 33.25 + 12 =
  34. 34.88 + ? = 100
  35. 35.A cricket match starts at 8:05 and the first innings ends at 9:35. How many minutes did the innings last?
  36. 36.1004 − 990 =
  37. 37.8 + 9 =
  38. 38.24 × 8 =
  39. 39.What is the remainder when 43 is divided by 3?
  40. 40.1029 − 987 =

Answer key

  1. 10
  2. 224
  3. 53
  4. 95
  5. 27
  6. 33
  7. 169
  8. 67
  9. 32
  10. 44
  11. 34
  12. 21
  13. 65
  14. 14
  15. 15
  16. 88
  17. 21
  18. 46
  19. 23
  20. 42
  21. 24.5
  22. 70
  23. 40
  24. 132
  25. 224
  26. 51
  27. 600
  28. 59
  29. 185
  30. 12
  31. 441
  32. 30
  33. 37
  34. 12
  35. 90
  36. 14
  37. 17
  38. 192
  39. 1
  40. 42

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