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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 914 · 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. 1.82 × 3 =
  2. 2.3 + ? = 10
  3. 3.14 + 16 =
  4. 4.What is the remainder when 38 is divided by 6?
  5. 5.60 + ? = 100
  6. 6.64 − 53 =
  7. 7.46 + 8 =
  8. 8.25% of ₹480 =
  9. 9.85 + ? = 100
  10. 10.93 − 66 =
  11. 11.67 × 8 =
  12. 12.144 ÷ 3 =
  13. 13.19 × 8 =
  14. 14.336 ÷ 4 =
  15. 15.29 + 30 =
  16. 16.12 + 11 =
  17. 17.10 + 12 =
  18. 18.13² =
  19. 19.97 × 8 =
  20. 20.23² =
  21. 21.19 + 5 =
  22. 22.You buy a notebook for ₹199 and pay with a ₹500 note. How much change do you get, in rupees?
  23. 23.41 laddoos are packed in boxes of 8. How many laddoos are left over?
  24. 24.25% of ₹900 =
  25. 25.You buy a water bottle for ₹115 and pay with a ₹500 note. How much change do you get, in rupees?
  26. 26.2 + ? = 10
  27. 27.46 + ? = 100
  28. 28.71 + ? = 100
  29. 29.Half of 132 =
  30. 30.21 + 20 =
  31. 31.68 − 19 =
  32. 32.24 × 8 =
  33. 33.26 + 5 =
  34. 34.Double 99 =
  35. 35.22 + 21 =
  36. 36.41 × 6 =
  37. 37.Double 45 =
  38. 38.765 ÷ 9 =
  39. 39.25% of ₹510 =
  40. 40.11 + 12 =

Answer key

  1. 246
  2. 7
  3. 30
  4. 2
  5. 40
  6. 11
  7. 54
  8. 120
  9. 15
  10. 27
  11. 536
  12. 48
  13. 152
  14. 84
  15. 59
  16. 23
  17. 22
  18. 169
  19. 776
  20. 529
  21. 24
  22. 301
  23. 1
  24. 225
  25. 385
  26. 8
  27. 54
  28. 29
  29. 66
  30. 41
  31. 49
  32. 192
  33. 31
  34. 198
  35. 43
  36. 246
  37. 90
  38. 85
  39. 127.5
  40. 23

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