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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 199 · 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. 1.36 + 89 =
  2. 2.33 + 51 =
  3. 3.75 + 6 =
  4. 4.73 + ? = 100
  5. 5.11² =
  6. 6.62 − 46 =
  7. 7.64 ÷ 4 =
  8. 8.Double 46 =
  9. 9.236 ÷ 4 =
  10. 10.67 + 21 =
  11. 11.12 + 13 =
  12. 12.What is the remainder when 57 is divided by 5?
  13. 13.303 − 290 =
  14. 14.Double 56 =
  15. 15.79 − 32 =
  16. 16.104 − 78 =
  17. 17.14 + 16 =
  18. 18.188 ÷ 4 =
  19. 19.9 + 11 =
  20. 20.70 × 4 =
  21. 21.55 − 18 =
  22. 22.88 ÷ 4 =
  23. 23.55 × 3 =
  24. 24.5% of ₹470 =
  25. 25.59 + 52 =
  26. 26.59 + 24 =
  27. 27.39 × 9 =
  28. 28.116 ÷ 4 =
  29. 29.5% of ₹520 =
  30. 30.37 laddoos are packed in boxes of 5. How many laddoos are left over?
  31. 31.1011 − 993 =
  32. 32.68 + 5 =
  33. 33.36 + 6 =
  34. 34.74 × 6 =
  35. 35.25% of ₹60 =
  36. 36.243 ÷ 9 =
  37. 37.22 + 19 =
  38. 38.25 + 27 =
  39. 39.14² =
  40. 40.A cricket match starts at 2:40 and the first innings ends at 4:20. How many minutes did the innings last?

Answer key

  1. 125
  2. 84
  3. 81
  4. 27
  5. 121
  6. 16
  7. 16
  8. 92
  9. 59
  10. 88
  11. 25
  12. 2
  13. 13
  14. 112
  15. 47
  16. 26
  17. 30
  18. 47
  19. 20
  20. 280
  21. 37
  22. 22
  23. 165
  24. 23.5
  25. 111
  26. 83
  27. 351
  28. 29
  29. 26
  30. 2
  31. 18
  32. 73
  33. 42
  34. 444
  35. 15
  36. 27
  37. 41
  38. 52
  39. 196
  40. 100

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