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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 603 · 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.Double 17 =
  2. 2.89 − 65 =
  3. 3.230 + 99 =
  4. 4.355 ÷ 5 =
  5. 5.324 ÷ 6 =
  6. 6.You buy a bag of mangoes for ₹23 and a pen for ₹25. You pay with a ₹100 note. How much change do you get, in rupees?
  7. 7.42 laddoos are packed in boxes of 8. How many laddoos are left over?
  8. 8.28² =
  9. 9.Double 92 =
  10. 10.52 ÷ 4 =
  11. 11.25% of ₹880 =
  12. 12.38 + 3 =
  13. 13.A train leaves at 4:45 and reaches the next city at 7:50. How many minutes is the journey?
  14. 14.11² =
  15. 15.A film starts at 8:05 and ends at 11:05. How many minutes long is the film?
  16. 16.5 + ? = 10
  17. 17.56 − 41 =
  18. 18.204 ÷ 4 =
  19. 19.33 + 37 =
  20. 20.120 ÷ 8 =
  21. 21.186 ÷ 6 =
  22. 22.107 − 29 =
  23. 23.48 ÷ 4 =
  24. 24.25% of ₹650 =
  25. 25.58 × 4 =
  26. 26.18 + 19 =
  27. 27.22² =
  28. 28.40 + ? = 100
  29. 29.50 laddoos are packed in boxes of 7. How many laddoos are left over?
  30. 30.33 × 5 =
  31. 31.46 + 71 =
  32. 32.What is the remainder when 96 is divided by 7?
  33. 33.164 ÷ 4 =
  34. 34.7 + ? = 10
  35. 35.23² =
  36. 36.243 ÷ 9 =
  37. 37.218 + 99 =
  38. 38.82 − 9 =
  39. 39.25 + 26 =
  40. 40.27 + 26 =

Answer key

  1. 34
  2. 24
  3. 329
  4. 71
  5. 54
  6. 52
  7. 2
  8. 784
  9. 184
  10. 13
  11. 220
  12. 41
  13. 185
  14. 121
  15. 180
  16. 5
  17. 15
  18. 51
  19. 70
  20. 15
  21. 31
  22. 78
  23. 12
  24. 162.5
  25. 232
  26. 37
  27. 484
  28. 60
  29. 1
  30. 165
  31. 117
  32. 5
  33. 41
  34. 3
  35. 529
  36. 27
  37. 317
  38. 73
  39. 51
  40. 53

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